Home Search   What's New Index Books Links Q & A Newsletter Banners   Feedback Tip Jar   C# Helper...         MSDN Visual Basic Community             All Index     This page lists all of VB Helper's source code, examples, tutorials, essays, and book content. For a more focused listing, go to the Index Categories or the Search Page.         Beginning Database Design Solutions WPF Programmer's Reference Visual Basic 2010 Programmer's Reference   Title Keywords   Tip: Set a ComboBox Item at Startup ComboBox, combo, set item   HowTo: Find the tangent lines between two circles in Visual Basic 6 tangents, circle, tangent lines, geometry, graphics, algorithms, Visual Basic 6, VB 6 HowTo: Use a PointF class to find the tangent lines between a point and a circle in Visual Basic 6 tangents, find tangents, find tangent lines, tangent lines, Visual Basic 6, VB 6, graphics, algorithms, PointF HowTo: Partition an area with circles and draw each region's count in Visual Basic .NET circles, partition, partition area, regions, draw regions, intersect circles, circle intersections, geometry, graphics, algorithms, Visual Basic .NET, VB.NET HowTo: Find a Region's centroid in Visual Basic .NET geometry, graphics, algorithms, region, centroid, circles, overlap, circles overlap, Visual Basic .NET, VB.NET HowTo: Find the area where two or more circles overlap in Visual Basic .NET geometry, graphics, algorithms, circles, overlap, circles overlap, Visual Basic .NET, VB.NET HowTo: Find the tangent lines between two circles in Visual Basic .NET tangents, circle, tangent lines, geometry, graphics, algorithms, Visual Basic .NET, VB.NET HowTo: Write data into an Excel workbook in Visual Basic 6 Microsoft Office, Office, Excel, Microsoft Excel, write to Excel, color cell, format cell, color Excel cell, format Excel cell HowTo: Read data from an Excel workbook in Visual Basic 6 Microsoft Office, Office, Excel, Microsoft Excel, read from Excel, cell color, cell format, Excel cell color, Excel cell format HowTo: Write data into an Excel workbook in Visual Basic .NET Microsoft Office, Office, Excel, Microsoft Excel, write to Excel, color cell, format cell, color Excel cell, format Excel cell HowTo: Let the user select a TabControl tab by pressing accelerator keys such as Alt-B in Visual Basic .NET controls, TabControl, tab control, tabs, owner drawn, owner draw, TabDrawMode, OwnerDrawFixed, C#, C# programming, example, example program, Windows Forms programming HowTo: Scale a drawing so it fits a target area in Visual Basic .NET graphics, algorithms, drawing, transformation, transform, scale, scaling, translation, translate, ScaleTransform, TranslateTransform, math, mathematics, Visual Basic .NET, VB.NET HowTo: Read data from an Excel workbook in Visual Basic .NET Microsoft Office, Office, Excel, Microsoft Excel, read from Excel, cell color, cell format, Excel cell color, Excel cell format HowTo: Create a Word document with some formatting in Visual Basic .NET Microsoft Word, Word cell format, read from Word, Microsoft Office, Office, Word cell color, cell color, cell format, Word HowTo: Create a Word document containing a picture that makes text to flow around it in Visual Basic .NET Microsoft Word, Word cell format, read from Word, Microsoft Office, Office, Word cell color, cell color, cell format, Word, right align, alignment, picture alignment HowTo: Find the tangent lines between a point and a circle in Visual Basic .NET tangents, find tangents, find tangent lines, tangent lines, Visual Basic .NET, VB .NET, graphics, algorithms HowTo: Use double buffering to prevent flicker when drawing graphics in Visual Basic .NET graphics, buffer, double buffer, double buffering, double-buffering, curve, butterfly, butterfly curve, algorithms, fractals, colors, math, mathematics, Visual Basic .NET, VB.NET HowTo: Control the print preview dialog to change its size, scale, colors, and more in Visual Basic .NET printing, preview, PrintDocument, print, PrintPreviewDialog, print preview, scale, zoom, auto, maximize, rows, columns, graphics, PrintPage HowTo: Catch unhandled exceptions in Visual Basic .NET exceptions, unhandled exceptions, UnhandledException, unhandled errors, unhandled bugs, Visual Basic .NET, VB.NET HowTo: Find the tangent lines between a point and a circle in Visual Basic 6 tangents, find tangents, find tangent lines, tangent lines, Visual Basic 6, VB 6, graphics, algorithms HowTo: Read a CSV file into an array CSV, comma-separated value, file, data, array Visual Basic 2008 Programmer's Reference: Updates Visual Basic 2008, Visual Studio 2008, programming Online Articles by Rod Stephens Online Articles, Online, Rod Stephens, articles, tips, tricks   HowTo: Validate a Select Case statement that uses values from an enumerated type in Visual Basic 6 validate, debugging, bug, enum, enumerated type, Select Case, Select Case statement, Visual Basic 6, VB 6 HowTo: Convert strings between Pascal case, camel case, and proper case in Visual Basic 6 Pascal case, camel case, proper case, Pascal-case, camel-case, proper-case, capitalize, capitalization, Visual Basic 6, VB 6 HowTo: Use a BackgroundWorker to perform a task in the background in Visual Basic .NET multi-threading, threads, threading, multithreading, BackgroundWorker, background worker, Visual Basic .NET, VB.NET HowTo: Make a log file with multiple overflow versions in Visual Basic .NET files, versions, file versions, log file, overflow file, draw polygons, drawing, Visual Basic .NET, VB.NET HowTo: Let the user draw polygons in Visual Basic .NET graphics, polygons, draw polygons, drawing, Visual Basic .NET, VB.NET HowTo: Use a second method to convert strings between Pascal case, camel case, and proper case in Visual Basic .NET Pascal case, camel case, proper case, Pascal-case, camel-case, proper-case, capitalize, capitalization, Visual Basic .NET, VB.NET HowTo: Use try catch blocks to protect against unexpected errors in Visual Basic .NET syntax, try, try catch, error handlings, bugs, Visual Basic .NET, VB.NET WPF Programmer's Reference: Sample Chapters C#, WPF, Windows Presentation Foundation, VB.NET, Visual Basic .NET, Visual Studio, programming WPF Programmer's Reference C#, WPF, Windows Presentation Foundation, VB.NET, Visual Basic .NET, Visual Studio, programming Visual Basic 2010 Programmer's Reference Visual Basic 2010, Visual Studio 2010, programming WPF Programmer's Reference: Updates C#, WPF, Windows Presentation Foundation, VB.NET, Visual Basic .NET, Visual Studio, programming WPF Programmer's Reference: Table of Contents C#, WPF, Windows Presentation Foundation, VB.NET, Visual Basic .NET, Visual Studio, programming WPF Programmer's Reference: Source Code C#, WPF, Windows Presentation Foundation, VB.NET, Visual Basic .NET, Visual Studio, programming Visual Basic 2010 Programmer's Reference: Sample Chapters Visual Basic 2010, Visual Studio 2010, programming Visual Basic 2010 Programmer's Reference: Table of Contents Visual Basic 2010, Visual Studio 2010, programming Visual Basic 2010 Programmer's Reference: Source Code Visual Basic 2010, Visual Studio 2010, programming Visual Basic 2010 Programmer's Reference: Updates Visual Basic 2010, Visual Studio 2010, programming HowTo: Convert strings between Pascal case, camel case, and proper case in Visual Basic .NET strings, camelCase, PascalCase, Pascal case, camel case, proper case, add spaces, Visual Basic .NET, VB.NET HowTo: Determine whether a point lies inside a polygonal path in Visual Basic .NET graphics, polygon, point, point in polygon, contains, polygon contains, polygon contains point, Visual Basic .NET, VB.NET HowTo: Make a close-up window for an image in Visual Basic 6 closeup, close-up, closeup window, close-up window, zoom, picture, image, details, Visual Basic 6, VB6 HowTo: Make a close-up window for an image in Visual Basic .NET closeup, close-up, closeup window, close-up window, zoom, picture, image, details, Visual Basic .NET, VB.NET HowTo: Use nullable parameters in Visual Basic .NET syntax, methods, overloaded methods, overloading, overload, null parameters, optional, optional parameters, nullable, nullable parameters, missing parameters, Visual Basic .NET, VB.NET HowTo: Determine whether a point lies inside a polygon in Visual Basic .NET graphics, polygon, point, point in polygon, contains, polygon contains, polygon contains point, Visual Basic .NET, VB.NET HowTo: Generate random strings in Visual Basic .NET random strings, generate strings, random letters, Visual Basic .NET, VB.NET HowTo: Use the StringBuilder class to concatenate strings quickly in Visual Basic .NET strings, variables, StringBuilder, concatenate, catenate HowTo: Encrypt or decrypt files in Visual Basic .NET cryptography, files, encrypt, decrypt, cipher, encipher, decipher, AES HowTo: Make a extension methods that encrypt and decrypt strings in Visual Basic .NET cryptography, extentions, extension method, files, encrypt, decrypt, cipher, encipher, decipher, AES Tip: The difference between Refresh, Update, and Invalidate Refresh, Update, Invalidate, redraw, paint, repaint, WM_PAINT   HowTo: Write a method that saves images in an appropriate format depending on the file name's extension in Visual Basic .NET save file, save image, save bitmap, save picture, file extension, png, bmp, jpg, jpeg, gif, tiff, Visual Basic .NET, VB.NET HowTo: Draw a fractal that is generated by applying rules to prime numbers in Visual Basic .NET graphics, fractals, primes, prime numbers, Visual Basic .NET, VB.NET HowTo: Write extension methods to convert between byte arrays and strings of hexadecimal values in Visual Basic .NET strings, variables, string extension, extensions, extension methods, Visual Basic, Visual Basic .NET, VB.NET HowTo: Draw a fractal that is generated by applying rules to prime numbers in Visual Basic 6 graphics, fractals, primes, prime numbers, Visual Basic 6, VB 6 HowTo: Map numeric values to colors in a rainbow in Visual Basic 6 graphics, colors, map values to colors, map values, Visual Basic 6, VB6 HowTo: Map numeric values to colors in a rainbow in Visual Basic .NET graphics, colors, map values to colors, map values, Visual Basic .NET, VB.NET Books: By Rod Stephens books, C# 2010, C#, Visual C#, .NET Framework, Visual Basic 2010, Visual Studio 2010, Programmer's Reference, Visual Basic, WPF, Windows Presentation Foundation, .NET, programming, Database Design, Database, MySQL, Access, Microsoft Access, Visual Basic 2008, Visual Studio 2008, Visual Basic 2005, Whidbey, Visual Studio 2005, .NET Framework 3.0, Expert, Design, Development, Office, Microsoft Office, Office automation, ADO.NET, VB .NET, VB.NET, database programming, XML, extensible markup language, Web Services, DOM, schema, XSL, SQL Server, prototyping, software engineering, software development, graphics, fractals, tilings, 3D graphics, printing, ray tracing, image processing, tips, tricks, techniques, bug proofing, error handling, algorithms, sorting, searching, trees, data structures, networks, lists, recursion, arrays, hashing, ActiveX controls, controls, custom controls, Delphi HowTo: Save an image of the computer's screen using managed methods in Visual Basic .NET graphics, form image, control image, get form image, get control image HowTo: Get the image of a control or form, or a form's client area in Visual Basic .NET graphics, form image, control image, get form image, get control image HowTo: Let the user drag an image with transparent pixels over a background image in Visual Basic .NET graphics, drag image, drag picture, image, picture, transparent, transparency, animation HowTo: Use the DotNetZip library to compress and decompress files in Visual Basic .NET compress, uncompress, decompress, zip, archive, extract Visual Basic 2010 Programmer's Reference: All Editions Visual Basic 2010, Visual Studio 2010, programming Visual Basic 2005 Programmer's Reference: Updates Visual Basic 2005, Visual Studio 2005, programming Visual Basic 2005 Programmer's Reference: Source Code Visual Basic 2005, Visual Studio 2005, programming Visual Basic 2005 with .NET 3.0 Programmer's Reference: Source Code Visual Basic 2005, Visual Studio 2005, programming, .NET Framework 3.0 Visual Basic 2005 with .NET 3.0 Programmer's Reference: Updates Visual Basic 2005, Visual Studio 2005, programming, .NET Framework 3.0 Visual Basic 2008 Programmer's Reference: Source Code Visual Basic 2008, Visual Studio 2008, programming HowTo: Plot a smiley face function in Visual Basic .NET delegate, plot, graph, plot function, graph function, graphics, algorithms, smiley face, smiley, plot smiley face, graph smiley face, Visual Basic .NET, VB.NET HowTo: Use delegates to pass a method's address to another method in Visual Basic .NET delegate, plot, graph, plot function, graph function, Visual Basic .NET, VB.NET HowTo: Make a shaped form by setting its region in Visual Basic .NET forms, region, set form region, shaped form, TransparencyKey, Visual Basic .NET, VB.NET HowTo: Use VBA code to pick random elements from the currently selected cells in an Excel workbook VBA, Visual Basic for Applications, random, pick random, Excel, pick random cells, Visual Basic, Visual Basic .NET, VB.NET HowTo: Plot the equation of a function of two variables in Visual Basic .NET graph, plot, graph equation, plot equation, graphics, algorithms, geometry, Visual Basic, Visual Basic .NET, VB.NET HowTo: Determine which ListView row and column are under the mouse in Visual Basic .NET ListView, row, column, mouse, click, Visual Basic .NET, VB.NET What is WPF and why should you care? graphics, WPF, Windows Presentation Foundation, images, Silverlight   HowTo: Make a program that uses regular expressions to rename files matching a pattern in Visual Basic .NET files, regular expressions, regex, replace, rename, rename files, Visual Basic .NET, VB.NET What's New in Visual Basic 2010 Visual Basic 2010, Visual Basic, Orcas, changes, what's new   HowTo: Invoke an object's method by name in Visual Basic .NET invoke, callbyname, call method by name, Visual Basic .NET, VB.NET Tip: Use mathematical and other special symbols in HTML code clubs, diamonds, greater than, perpendicular, currency, notes, exists, sharp, function, male, section, minus plus, hearts, sum, HTML, union, female, uniersection, partial derivative, subset, special symbols, aleph, eigth notes, less than, Euro, square root, inverted exclamation point, integral, trademark, paragraph mark, Pound, Yen, permille, ampersand, Greek letters, spade, thorn, nabla, arrows, copyright, symbols, equivalent, degree, mathematics, pilcrow, flat, contains, dagger, micro, pipe, cent, forall, plus minus, inverted question mark, vertical bar   HowTo: Display animated GIFs and change them at run time in Visual Basic .NET animated GIF, example program, GIF, display animated GIF, Windows Forms programming, resources, example, Visual Basic .NET, VB.NET, change animated GIF, load animated GIF Tip: Make a shortcut that passes a program command line parameters shortcut, command line, parameters, command line parameters, commandline, commandline parameters, Windows, Visual Basic 6, Visual Basic .NET, VB 6, VB .NET   HowTo: Determine where two circles intersect in Visual Basic 6 circles, intersect, intersect two circles, intersections, find circle intersections, VB 6, Visual Basic 6 HowTo: Determine where two circles intersect in Visual Basic .NET circles, intersect, intersect two circles, intersections, find circle intersections, VB.NET, Visual Basic .NET HowTo: Use standard and custom exception classes in Visual Basic .NET exception, exception classes, standard exceptions, custom exceptions, throw, throw exceptions, VB.NET, Visual Basic .NET HowTo: Make a GroupBox that uses a CheckBox in its caption to determine whether its items are enabled in Visual Basic .NET GroupBox, CheckBox, enable, disable, Visual Basic .NET, VB.NET HowTo: Move a control to the front or the back of the stacking order at run time in Visual Basic 6 stacking order, zorder, z-order, Visual Basic 6, VB 6 HowTo: Change control stacking order at run time in Visual Basic .NET stacking order, zorder, z-order, Visual Basic .NET, VB.NET HowTo: Use LinearGradientBrushes in Visual Basic .NET LinearGradientBrush, linear gradient brush, gradient brush, color gradient, Visual Basic .NET, VB.NET HowTo: Make a Frame that uses a CheckBox in its caption that determines whether the items it contains are enabled in Visual Basic 6 Frame, CheckBox, enable, disable, Visual Basic 6, VB 6, Visual Basic, VB HowTo: Draw text that's filled with smaller text in Visual Basic .NET hollow text, GraphicsPath, path, text, Visual Basic .NET, VB.NET HowTo: Make a program generate HTML table code for ListView data and display it in a WebBrowser control in Visual Basic .NET ListView, ListView groups, group items, HTML, table, convert ListView into HTML table, Visual Basic .NET, VB.NET HowTo: Use groups in a ListView control in Visual Basic .NET ListView, ListView groups, group items, Visual Basic .NET, VB.NET HowTo: Make menu items behave like check boxes in Visual Basic .NET check box, checkbox, menu, menu items, Visual Basic .NET, VB.NET HowTo: Make the items in a menu behave as a radio button group in Visual Basic .NET option button, menu, menu items, radio button, Visual Basic .NET, VB.NET HowTo: Parse user-entered values in Visual Basic .NET parse, parse values, entered text, user-entered text, Visual Basic .NET, VB.NET HowTo: Draw hollow text in Visual Basic .NET hollow text, GraphicsPath, path, text, Visual Basic .NET, VB.NET HowTo: Initialize arrays and lists in Visual Basic .NET initialize arrays, initialize lists, initialize, initialization HowTo: Calculate the binomial coefficient "N choose K" efficiently in Visual Basic .NET N choose K, WMI, binomial coefficient, factorial, Visual Basic .NET, VB.NET HowTo: Use WMI to get the operating system name including its edition, plus some other information in Visual Basic 6 WMI, operating system, version, 32-bit, 64-bit, Visual Basic 6, VB 6 HowTo: Calculate the binomial coefficient "N choose K" efficiently in Visual Basic 6 N choose K, WMI, binomial coefficient, factorial, Visual Basic 6, VB 6 HowTo: Use WMI to get the operating system name including its edition, plus some other information in Visual Basic .NET WMI, operating system, version, 32-bit, 64-bit, Visual Basic .NET, VB.NET HowTo: Use the TableLayoutPanel control in Visual Basic .NET control, TableLayoutPanel, grid, cells HowTo: Make a list of prime numbers in Visual Basic 6 primes, prime numbers, sieve, Sieve of Eratosthenes, Euler's Sieve, Legendre, Legendre estimate, prime counting, VB.NET, Visual Basic .NET HowTo: Find a number's prime factors in Visual Basic .NET primes, prime numbers, prime factors, factors, factorization, Visual Basic .NET, VB.NET HowTo: Make a list of prime numbers in Visual Basic 6 primes, prime numbers, sieve, Sieve of Eratosthenes, Euler's Sieve, Legendre, Legendre estimate, prime counting, VB.NET, Visual Basic .NET HowTo: Find a number's prime factors in Visual Basic 6 primes, prime numbers, prime factors, factors, factorization, Visual Basic 6, VB 6 HowTo: Make a list of prime numbers in Visual Basic .NET primes, prime numbers, sieve, Sieve of Eratosthenes, Euler's Sieve, Legendre, Legendre estimate, prime counting, VB.NET, Visual Basic .NET HowTo: Use standard dialogs in Visual Basic .NET dialog, standard dialog, FontDialog, OpenFileDialog, SaveFileDialog, ColorDialog, use standard dialogs, Visual Basic, Visual Basic .NET, VB, VB.NET HowTo: Use standard dialogs in Visual Basic 6 dialog, standard dialog, FontDialog, OpenFileDialog, SaveFileDialog, ColorDialog, use standard dialogs, Visual Basic, Visual Basic 6, VB, VB 6 HowTo: Use a TreeView to display property pages or option pages in Visual Basic .NET TreeView, options, properties, property pages, option pages, Registry, save settings HowTo: Easily save and restore all of a form's settings and the values of its controls in the Registry in Visual Basic .NET settings, save settings, restore settings, Registry, SaveSetting, GetSetting, C#, C# programming, example, example program, Windows Forms programming Beginning Database Design Solutions: Table of Contents Database Design, Database, MySQL, Access, Microsoft Access, programming HowTo: Programmatically adjust the position of the splitter in a SplitContainer control in Visual Basic .NET splitter, SplitContainer, adjust splitter, controls, programming, example, example program, Windows Forms programming, Visual Basic .NET, VB.NET HowTo: Calculate compound interest over time in Visual Basic 6 Windows Forms programming, example program, calculate compound interest, compound interest, example, Visual Basic 6, interest Beginning Database Design Solutions: Table of Contents Database Design, Database, MySQL, Access, Microsoft Access, programming Beginning Database Design Solutions: Table of Contents Database Design, Database, MySQL, Access, Microsoft Access, programming Beginning Database Design Solutions Database Design, Database, MySQL, Access, Microsoft Access, programming HowTo: Calculate compound interest over time in Visual Basic .NET Windows Forms programming, example program, calculate compound interest, interest, example, Visual Basic .NET, VB.NET HowTo: Execute ad hoc database commands such as CREATE TABLE, INSERT INTO, DROP TABLE, and so forth in Visual Basic .NET database, ADO.NET, OleDb, OLE DB, CREATE TABLE, INSERT INTO, DROP TABLE, execute database commands, connection, command, Visual Basic, VB.NET HowTo: Download a file from the web and save it with an arbitrary local file name in Visual Basic .NET download, download file, web, internet, WebClient, ftp, file transfer, Visual Basic, VB.NET HowTo: Search files in a directory hierarchy for a target string in Visual Basic .NET example program, search file contents, Visual Basic, Visual Basic .NET, VB.NET HowTo: Override a class's ToString method to allow controls such as ListBox to display objects in Visual Basic .NET ToString, override, ListBox, ComboBox, array, initialize array, initialize object, Visual Basic .NET, Visual Basic, VB.NET HowTo: Detect whether text in a multiline TextBox is wrapped in Visual Basic 6 TextBox, word wrap, multiline, Visual Basic 6, Visual Basic HowTo: Detect whether text in a multiline TextBox is wrapped in Visual Basic .NET TextBox, word wrap, multiline, Visual Basic .NET, Visual Basic, VB.NET Tip: Misc Windows Tips Misc Windows Tips   HowTo: Programmatically add new rows to an unbound DataGridView control in Visual Basic .NET DataGridView, add rows, Visual Basic .NET, VB.NET, controls HowTo: Make a window stay below all others in Visual Basic .NET bottommost, topmost, subclass, windowproc, setwindowlong, on bottom, Visual Basic .NET, VB.NET HowTo: Make a window stay below all others in Visual Basic 6 bottommost, topmost, subclass, windowproc, setwindowlong, on bottom, Visual Basic 6, VB 6 HowTo: Drag and drop one or more multi-column values from one ListView control to another in Visual Basic .NET drag, drop, drag and drop, objects, ListView, Visual Basic .NET, VB .NET HowTo: Drag and drop strings from one ListBox to another in Visual Basic .NET drag, drop, drag and drop, ListBox, Visual Basic .NET, VB .NET HowTo: Drag and drop objects from one ListBox to another in Visual Basic .NET drag, drop, drag and drop, objects, ListBox, Visual Basic .NET, VB .NET HowTo: Send a window to the top or bottom in Visual Basic .NET send window to bottom, send window to top, to top, to bottom, Visual Basic .NET, VB.NET HowTo: Get a module's fully qualified name in Visual Basic .NET module name, fully qualified name, module location, Visual Basic .NET, VB.NET HowTo: Get an object's reference count in Visual Basic 6 reference count, get reference count, Visual Basic 6 HowTo: Send a window to the top or bottom in Visual Basic 6 send window to bottom, send window to top, to top, to bottom, Visual Basic 6 HowTo: Draw text flipped vertically, horizontally, or both in Visual Basic .NET Graphics object, Scale, flip, DrawString, text, VB.NET, Visual Basic .NET HowTo: Keep track of ListView columns when the user reorders them in Visual Basic .NET ListView, reorder, columns, VB.NET, Visual Basic .NET HowTo: Initialize an array with a range of values or a repeated value in Visual Basic .NET (version 2008 or later) initialization, initialize array, range, repeated values, VB.NET, Visual Basic .NET, Visual Basic 2008 HowTo: Read and write all of the lines in a text file in Visual Basic .NET sort, IComparer, file, compare, Visual Basic .NET HowTo: Use an IComparer class to sort a file using the values in its columns sort, IComparer, file, compare, Visual Basic .NET HowTo: Grab images from a Web page in Visual Basic .NET grab images, Web, HTML, Visual Basic .NET, VB.NET, WebBrowser, WebClient, download, download images, screen scraping, HtmlDocument HowTo: Use the Convert class to convert values between decimal, hexadecimal, octal, and binary in Visual Basic .NET Convert class, convert values, decimal, hexadecimal, octal, binary, base, Visual Basic .NET, VB.NET HowTo: Grab images from a Web page in Visual Basic 6 grab images, Web, HTML, Visual Basic 6, VB 6, WebBrowser, download, download images, screen scraping, HtmlDocument HowTo: Grab the image of another program's form in Visual Basic .NET form image, background, clipboard, PrntScrn HowTo: Get a form's image with or without decorations in Visual Basic .NET form image, background, clipboard, PrntScrn HowTo: Use the Clipboard to grab an image of the screen in Visual Basic .NET desktop image, background, clipboard, PrntScrn HowTo: Make a drawing application in VB .NET draw, drawing, Drawable, serialization, XmlSerializer HowTo: Display two forms, one showing pictures in a random order in Visual Basic .NET picture, random, VB.NET, Visual Basic .NET HowTo: Make a continuously spinning cube by using XAML code in Visual Basic 2008 Visual Basic 2008, VB 2008, XAML, cube, rotate, spin, VB.NET HowTo: Simulate a robot arm with three rotating joints and a hand using XAML code robot, robotics, arm, drawing, XAML, WPF HowTo: Print a Window in WPF/XAML using Visual Basic 2008 print, print Window, PrintForm, Visual Basic 2008 HowTo: Display an image saved as a resource in WPF/XAML using Visual Basic 2008 WPF, XAML, Image, ImageSource, Pack, Visual Basic 2008 HowTo: Display a loose XAML page in an HTML IFRAME element XAML, WPF, loose xaml, iframe HowTo: Use XAML to make a grid with a gradient background in VB 2005 and .NET Framework 3.0 XAML, VB 2005, Visual Basic 2005, .NET Framework 3.0, gradient, grid HowTo: Make and rotate a cube by using XAML code in Visual Basic 2008 Visual Basic 2008, VB 2008, XAML, cube, rotate HowTo: Make a list of critter images with their names in XAML XAML, WPF, loose xaml, critters, images, WPF style, page, Page.Resources, page resources, linear gradient brush, LinearGradientBrush HowTo: Use XAML to make a calculator that uses resources and styles in VB 2005 and .NET Framework 3.0 XAML, VB 2005, Visual Basic 2005, .NET Framework 3.0, gradient, grid, Label, Button HowTo: Use XAML to make a button that contains a grid holding three labels in VB 2005 and .NET Framework 3.0 XAML, VB 2005, Visual Basic 2005, .NET Framework 3.0, gradient, grid, Label, Button HowTo: Get mother board serial numbers and CPU IDs in Visual Basic 6 serial number, cpu, cpu id, WMI, Windows Management Instrumentation, Visual Basic 6 HowTo: Get mother board serial numbers and CPU IDs in Visual Basic .NET serial number, cpu, cpu id, WMI, Windows Management Instrumentation, Visual Basic .NET, VB.NET Tip: Use ADOX to make a database without leaving the database files locked Visual Basic, Visual Basic .NET, ADO, ADOX, create database, make database, file locking, .ldb file   Tip: Use proper data delimiters for different databases Visual Basic, Visual Basic .NET, database, delimiter, date, ADO, ADOX, SQL Server, Access, Jet   HowTo: Set a file's creation, last access, and last modified times file times, last access time, file creation time, lastmodified time HowTo: Let the user drag files into a list and then upload them all to a Web site in Visual Basic .NET upload, FTP, file transfer, FtpWebRequest, WebRequest, Visual Basic .NET, VB.NET HowTo: Build a form from scratch and handle events raised by its controls in Visual Basic .NET form, build form, event, AddHandler, Visual Basic .NET, VB.NET HowTo: Make a DataGridView display numbered row headers in Visual Basic .NET DataGridView, row headers, header, Visual Basic .NET, VB.NET HowTo: Use VBA to compare two lists in Excel and highlight the cells in the second that are not in the first Excel, VBA, compare lists, compare, lists HowTo: List system process information similar to the information provided by Task Manager in Visual Basic .NET process information, processes, Task Manager, Visual Basic .NET, VB.NET HowTo: Open a PDF file in a WebBrowser control in Visual Basic .NET PDF file, Adobe, open PDF file, WebBrowser, Adobe Acrobat, Acrobat, Visual Basic .NET, VB.NET HowTo: Open a PDF file in an Adobe Reader control within an application in Visual Basic 6 PDF file, Adobe, open PDF file, Adobe Reader, Adobe Acrobat, Acrobat, Visual Basic 6 HowTo: Open a PDF file in an external Adobe Reader process in Visual Basic 6 PDF file, Adobe, open PDF file, Adobe Reader, Adobe Acrobat, Acrobat, Visual Basic 6 HowTo: Open a PDF file in a WebBrowser control in Visual Basic 6 PDF file, Adobe, open PDF file, Adobe Reader, Adobe Acrobat, Acrobat, Visual Basic 6 HowTo: Open a PDF file in an Adobe Reader control within an application in Visual Basic .NET PDF file, Adobe, open PDF file, Adobe Reader, Adobe Acrobat, Acrobat, Visual Basic .NET, VB.NET HowTo: Open a PDF file in an external Adobe Reader process in Visual Basic .NET PDF file, Adobe, open PDF file, Adobe Reader, Adobe Acrobat, Acrobat, Visual Basic .NET, VB.NET HowTo: Manage the wastebasket in Visual Basic .NET wastebasket, recycle bin, delete, delete file, empty recycle bin, empty wastebasket, Visual Basic .NET, VB.NET HowTo: Use My.Computer.Info to display operating system and memory information in Visual Basic .NET My.Computer.Info, operating system, memory, Visual Basic .NET, VB.NET HowTo: Let the user move and resize controls at run time in Visual Basic 6 drag, move, resize, controls, Visual Basic 6 HowTo: Use code to make a chart in Excel from the current selection in VBA Excel, Office, chart, VBA, graph, Visual Basic for Applications HowTo: Get the values of fields (variables) declared in a form by their names in Visual Basic .NET reflection, FieldInfo, field, value, field value, FieldType, GetValue, VB.NET, Visual Basic .NET HowTo: Get information about the window under the mouse in Visual Basic .NET mouse position, MousePosition, window text, window handle, root window, VB.NET, Visual Basic .NET HowTo: Make a ComplexNumber class with operators in Visual Basic .NET complex, complex number, real, imaginary, VB .NET, Visual Basic .NET HowTo: Make a Label use the largest font it can while still allowing its text to fit in Visual Basic .NET font, biggest font, largest font, Label, Visual Basic .NET, VB.NET HowTo: Make a Label use the largest font it can while still allowing its text to fit allowing wrapping in Visual Basic .NET font, biggest font, largest font, Label, wrap, wrapping, Visual Basic .NET, VB.NET HowTo: Make tooltips remain visible for a very long time in Visual Basic .NET tooltip, tool tip, Visual Basic .NET, VB.NET HowTo: Create a DataTable with row cell errors, and display it in a DataGridView in Visual Basic .NET DataGridView, DataTable, error, row error, cell error, Visual Basic .NET, VB.NET HowTo: Make a DataGridView control use an array of objects for a data source in Visual Basic .NET DataGridView, data source, array, objects, Visual Basic .NET, VB.NET HowTo: Simulate a robot arm with three rotating joints in Visual Basic .NET robot, robotics, arm, drawing, Visual Basic .NET, VB.NET HowTo: Make a form with a fixed-sized column between two other columns that share the remaining available space in Visual Basic .NET form, columns, table, TableLayoutPanel, Visual Basic .NET, VB.NET HowTo: Compare the contents of two directories in Visual Basic .NET directory, directory contents, files, compare directories, compare files, Visual Basic .NET, VB.NET HowTo: Compare the contents of two directories in Visual Basic 6 directory, directory contents, files, compare directories, compare files, Visual Basic 6 Tip: Visual Basic Data Type Characters Visual Basic, Visual Basic .NET, type characters, data type characters, literal type characters   HowTo: Make a simple drawing program with a "snap to" grid and rules in Visual Basic .NET drawing, graphics, grid, snap to, snapto, ruler, Visual Basic .NET, VB.NET HowTo: Quickly read and write the contents of a text file in VB .NET VB.NET, NET, text file, grab, read, write HowTo: Use routines to easily read and write a file's contents in VB .NET star, polygon, VB.NET HowTo: Make a simple drawing program with a "snap to" grid and rules in Visual Basic 6 drawing, graphics, grid, snap to, snapto, ruler, Visual Basic 6, Visual Basic Classic HowTo: Make a scribble application with VB .NET that automatically redraws when necessary VB.NET, drawing, scribble, redraw, autoredraw HowTo: Delete a directory and everything it contains file, directory, dir, remove, delete HowTo: Calculate the prime factors of numbers of the form 999997 in Visual Basic 6 prime, product, factor, mathematics, Visual Basic, Visual Basic 6 HowTo: Restore a window to a known position if you can't find it in Visual Basic 2005 restore window, window size, window position, FindWindow, SetWindowPos, Visual Basic, Visual Basic 2005, VB .NET HowTo: Calculate the prime factors of a product of primes plus or minus 1 in Visual Basic 2005 prime, product, factor, mathematics, Visual Basic, Visual Basic 2005, VB .NET HowTo: Calculate the prime factors of numbers of the form 999997 in Visual Basic 2005 prime, product, factor, mathematics, Visual Basic, Visual Basic 2005, VB .NET HowTo: Start a program from Sub Main in Visual Basic 2005 and later Sub Main, start, start application, start proigram, Visual Basic, Visual Basic 2005 HowTo: Calculate the prime factors of a product of primes plus or minus 1 in Visual Basic 6 prime, product, factor, mathematics, Visual Basic, Visual Basic 6 HowTo: Make a ListView control display icons in its subitems in Visual Basic 2005 ListView, subitem icons, icons, LVM_SETITEM, VB.NET, Visual Basic 2005 HowTo: Programmatically expand a ComboBox in Visual Basic 2005 ComboBox, expand, VB.NET, Visual Basic 2005 HowTo: Make bitmap files containing numbers in circles in Visual Basic 2005 graphics, bitmap files, VB.NET, Visual Basic 2005 HowTo: Let the user click to draw markers on a map in Visual Basic 2005 drawing, map, marker, Paint, Visual Basic 2005, VB.NET HowTo: Randomize the values in a series of TextBoxes, a ListBox, or a single TextBox in Visual Basic 6 randomize, TextBox, ListBox, Visual Basic 6 HowTo: Select an item from a ListBox or ComboBox with a given ItemData value ListBox, ComboBox, list, item, select HowTo: Make a ListView control sort using the column you click in VB .NET ListView, sort, clicked column, VB.NET Tip: Downgrade Visual Basic 2008 projects to Visual Basic 2005 split, Visual Basic .NET   HowTo: Use a program to merge PDF files in Visual Basic 6 PDF, merge PDF HowTo: Use the Cryptography API to build an application that stores passwords in Visual Basic 2005 Cryptography, Cryptography API, store passwords, passwords, Visual Basic 2005 Tip: Use the Split function easily in Visual Basic .NET split, Visual Basic .NET   HowTo: Use the Cryptography API to generate secure random numbers with Visual Basic 2005 Cryptography, Cryptography API, random numbers, random, Visual Basic 2005 HowTo: Set another application's size and position in Visual Basic 2008 SetWindowPos, FindWindow, set application size, set application position, VB.NET HowTo: Overlay one picture on another in Visual Basic 2008 overlay, transparent, image processing, picture, VB.NET HowTo: Make a line control in Visual Basic 2005 line control, custom control, Visual Basic 2005 HowTo: Randomize a list of names in Visual Basic 6 randomize, random, list of names, name list, Split, Rnd, Visual Basic 6 HowTo: List information about the files in a directory in a ListView using Visual Basic 2005 directory, list files, ListView, My, My.Computer, FileSystem, GetFiles, FileInfo, GetFileInfo HowTo: Display the number of days, minutes, hours, and seconds until an event in Visual Basic .NET countdown, timer, VB.NET, days, minutes, hours, seconds HowTo: List the fonts available to the printer in Visual Basic 6 printing, font, list fonts, Visual Basic 6 HowTo: Use My.Computer.FileSystem to recursively list the files in a directory subtree in Visual Basic 2005 My.Computer.FileSystem, directory, directory subtree, Visual Basic 2005, VB.NET, search, files HowTo: Flood fill areas using safe and unsafe methods in Visual Basic .NET flood, floodfill, VB.NET, safe, unsafe HowTo: Use VBA code to make a pie chart in Excel Excel, VBA, pie chart, Microsoft Office HowTo: Declare array objects in VB .NET variable, VB .NET, initialization, declaration, array objects   HowTo: Round a number to the nearest multiple of a template in Visual Basic 2005 round, round off, digits, VB.NET, template HowTo: Round a number to the nearest multiple of a template in Visual Basic 6 round, round off, digits, Visual Basic 6, template HowTo: Use VBA code in Excel to import a CSV file and use it to make a line graph Excel, VBA, Visual Basic for Applications, import, CSV, comma separated value, line graph, chart HowTo: Evaluate mathematical expressions using code in Visual Basic 2005 mathematical expression, expression, evaluate, VB.NET HowTo: Save a picture into a JPEG at a desired size in Visual Basic 2005 save picture, save image, size, jpeg, jpg, compress, VB .NET HowTo: Load Structures from an XML file in Visual Basic 2005 XML, structure, load, file, Item, initialize, initialization HowTo: Round a value to a specified number of digits round off, digits HowTo: Use the VBA library to round to a specific number of decimal places VBA, round, decimal places HowTo: Print the contents of a ListBox left aligned, centered, or right aligned in Visual Basic 2005 print, ListBox, print preview, align, alignment, center, right align, left align, StringFormat, PrintDocument, PrintPage event HowTo: Use isolated storage to save and restore settings in Visual Basic 2005 isolated storage, settings, save settings, Visual Basic, VB.NET HowTo: Use strongly typed program settings to save and restore settings in Visual Basic 2005 program settings, settings, save settings, Visual Basic, VB.NET HowTo: See if the computer is connected to the Internet in Visual Basic 6 InternetGetConnectedState, Internet, connected, connection, wininet, Visual Basic 6 HowTo: Randomly change the desktop background in Visual Basic 6 backer, desktop, background, Registry, default editor, wallpaper, wastebasket, recycle, ShellExecute, SHFileOperation, RegOpenKeyEx, RegSetValueExA, wallpaper style, centered, tiled, stretched HowTo: See if the computer is connected to the Internet in Visual Basic 2005 My.Computer.Network.IsAvailable, IsAvailable, Internet, connected, connection, VB.NET HowTo: Randomly change the desktop background in Visual Basic 2005 backer, desktop, background, Registry, default editor, wallpaper, wastebasket, recycle, ShellExecute, SHFileOperation, RegOpenKeyEx, RegSetValueExA, wallpaper style, centered, tiled, stretched HowTo: Determine the default button when displaying a MessageBox in Visual Basic 2005 MessageBox, MsgBox, message box, default button, VB.NET HowTo: Determine the default button when displaying a MsgBox in Visual Basic 6 MsgBox, message box, default button, Visual Basic 6 HowTo: Calculate logarithms in different bases in Visual Basic 2005 log, ln, logarithm, base, log base, calculate, exponent, exponentiation, power, VB.NET HowTo: Calculate logarithms in different bases in Visual Basic 6 log, ln, logarithm, base, log base, calculate, exponent, exponentiation, power HowTo: Use the BitmapBytesRGB24 class to apply an embossing filter to an image very quickly in Visual Basic 2005 BitmapBytesRGB24, LockBits, UnlockBits, image processing, filter image, emboss, embossing filter, VB.NET HowTo: Use Microsoft's .NET Framework parallel extensions to apply an embossing filter to an image very quickly in Visual Basic 2008 parallel, multi-threading, threading, BitmapBytesRGB24, LockBits, UnlockBits, image processing, filter image, emboss, embossing filter, VB.NET HowTo: Use the VoiceText library to read numbers to the user in Visual Basic 6 voice, audio, VoiceText, read numbers HowTo: Get operating system information in VB .NET OS version, operating system version, VB.NET, system HowTo: Use Microsoft's .NET Framework parallel extensions to generate Mandelbrot sets quickly in Visual Basic 2008 parallel extensions, parallel programming, multiple CPUs, multi-core, Mandelbrot, Mandelbrot set, .NET, .NET Framework Tip: Restart Vista print queues Windows, Vista, print, print queue, printer offline, operating system, printing, printer   HowTo: Start another program using Shell and get its Window handle (hWnd) Shell, start, execute, hWnd, Window handle HowTo: Determine what version of Access is installed by using automation in Visual Basic 6 Access, Access version, Microsoft Access, Registry, automation, Visual Basic 6 HowTo: Determine what version of Access is installed by reading Registry values in Visual Basic 2005 Access, Access version, Microsoft Access, Registry, VB.NET, Visual Basic 2005 HowTo: Determine what version of Access is installed by using automation in Visual Basic 2005 Access, Access version, Microsoft Access, Registry, automation, VB.NET, Visual Basic 2005 HowTo: Determine what version of Access is installed by reading Registry values in Visual Basic 6 Access, Access version, Microsoft Access, Registry, Visual Basic 6 HowTo: Get the operating system version in Visual Basic 2005 OS, OS version, operating system, operating system version, Visual Basic 2005 HowTo: Get the operating system version in Visual Basic 6 OS, OS version, operating system, operating system version, Visual Basic 6 HowTo: Use GetSetting while protecting against bad values in the Registry in Visual Basic 2005 GetSetting, SaveSetting, VB.NET, error handling, error trapping HowTo: Use GetSetting while protecting against bad values in the Registry in Visual Basic 6 GetSetting, SaveSetting, Visual Basic 6, error handling, error trapping HowTo: Find all ways to pick N out of M items in Visual Basic 2005 choose, combinatorics, combinations, VB.NET HowTo: Recursively generate permutations of a collection of objects in Visual Basic 2005 permute, permutation, combinatorics, recursive, factorial, VB.NET HowTo: List all the permutations of a set of numbers in Visual Basic 2005 permute, permutation, combinatorics, factorial, VB.NET HowTo: List all the permutations of a set of numbers in Visual Basic 6 permute, permutation, combinatorics, factorial HowTo: Crop a picture and save the result in Visual Basic 2005 crop picture, crop, trim, Visual Basic 2005, VB .NET HowTo: Crop a picture and save the result in Visual Basic 6 crop picture, crop, trim, Visual Basic HowTo: Make an inactivity timer in Visual Basic 6 inactive, inactivity, user activity, time out, timeout HowTo: Make an inactivity timer in Visual Basic 2005 inactive, inactivity, user activity, time out, timeout HowTo: Open Windows Explorer to display files in a specific directory in Visual Basic 6 Windows Explorer, shell, open, files, Visual Basic 6 HowTo: Open Windows Explorer to display files in a specific directory in Visual Basic 6 Windows Explorer, shell, open, files, Visual Basic 6 HowTo: Resize all of the graphic files in a directory in Visual Basic 6 graphics, resize picture, resize image, directory, Visual Basic 6 HowTo: Resize all of the graphic files in a directory in Visual Basic 2005 graphics, resize picture, resize image, directory, Visual Basic .NET HowTo: Save and restore a form's position when it loads and unloads in Visual Basic 2005 save, restore, form, form position, Visual Basic .NET HowTo: Make a map that shows a circular closeup of the part under the mouse in Visual Basic 6 closeup map, map, enlarge, closeup, close up, Visual Basic 6 HowTo: Let the user drag a picture with the mouse or move it with the arrow keys drag picture, BitBlt HowTo: Overlay a picture on another and use BitBlt to repaint only the modified parts of the background drag picture, BitBlt HowTo: Overlay a picture on another and use BitBlt to allow the user to drag it drag picture, BitBlt HowTo: Overlay a picture on another and use PaintPicture to allow the user to drag it drag picture, PaintPicture HowTo: Make a map that shows a closeup of the part under the mouse in Visual Basic 2005 closeup map, map, enlarge, closeup, close up, Visual Basic 2005 HowTo: Make a map that shows a circular closeup of the part under the mouse in Visual Basic 2005 closeup map, map, enlarge, closeup, close up, circular region, Visual Basic 2005 HowTo: Make a map that shows a closeup of the part under the mouse in Visual Basic 6 closeup map, map, enlarge, closeup, close up, Visual Basic 6 HowTo: Use a loop to load pictures into PictureBoxes in Visual Basic 2005 PictureBox, picture, LoadPicture, Bitmap, loop, Visual Basic 2005 HowTo: Dynamically create buttons at runtime and give them event handlers in Visual Basic 2005 control, Button, click, click event, AddHandler, event handler, Visual Basic 2005 HowTo: Make CAPTCHA images (version 4) in Visual Basic 6 CAPTCHA, Turing test, image, image processing, distort image HowTo: Make CAPTCHA images (version 6) in Visual Basic .NET CAPTCHA, Turing test, image, image processing, distort image HowTo: Make a print preview displaying a grid of data with alternating row colors in Visual Basic 2005 print, print preview, VB 2005, grid, rows, color HowTo: Programmatically select an entire row in a DataGrid control in Visual Basic 6 DataGrid, select row, data grid, Visual Basic 6 Visual Basic 2008 Programmer's Reference: Table of Contents Visual Basic 2008, Visual Studio 2008, programming HowTo: Make a String extension method to URL encode and decode strings in Visual Basic 2008 string, extension method, URL encode, URL decode, Visual Basic 2008 HowTo: Make a String extension method to replace spaces with non-breaking spaces in Visual Basic 2008 string, nbsp, extension method, Visual Basic 2008 HowTo: Make an OpenFileDialog validate the user's file selection in Visual Basic 2008 string, extension method, URL encode, URL decode, Visual Basic 2008 HowTo: Compress spaces in a string compress spaces, space, compact, duplicate HowTo: Build a function to compress consecutive spaces into one space in Visual Basic 6. space, spaces, compress, replace HowTo: Build a function to compress consecutive spaces into one space in Visual Basic 2005 space, spaces, compress, replace, Visual Basic .NET, Visual Basic 2005 HowTo: Make a function to split a string into an array of strings by using multiple separators in Visual Basic 6. split, string, separators HowTo: Nicely format an XML document in Visual Basic .NET XML, XmlDocument, format, format XML, indent XML, Visual Basic .NET, VB.NET HowTo: List the places in the network neighborhood in Visual Basic 6 network, network neighborhood, Visual Basic Bug: Mouse Wheel in ListBox Crashes Excel Mouse Wheel, ListBox, Excel   HowTo: Get information about a shortcut in Visual Basic 6 shortcut, link, desktop shortcut, Visual Basic 6 HowTo: Let the user select mutliple files in Visual Basic 2005 files, select files, multiple files, open file dialog, OpenFileDialog, Visual Basic 2005 HowTo: Get information about a shortcut in Visual Basic 2005 shortcut, link, desktop shortcut, Visual Basic 2005 HowTo: List the places in the network neighborhood in Visual Basic 2005 network, network neighborhood, Visual Basic 2005 HowTo: Use a variable to hold delegates (function pointers) in Visual Basic 2005 delegate, function pointer, function reference, method pointer, methd reference, Visual Basic 2005 HowTo: Draw a rubberband rectangle with XAML in Visual Basic 2008 XAML, WPF, Visual Basic 2008, rubberband, rubberband rectangle HowTo: Draw a rubberband line with XAML in Visual Basic 2008 XAML, WPF, Visual Basic 2008, rubberband, rubberband line HowTo: Draw a rubberband ellipse with XAML in Visual Basic 2008 XAML, WPF, Visual Basic 2008, rubberband, rubberband ellipse HowTo: Draw a rubberband circle centered at a starting point with XAML in Visual Basic 2008 XAML, WPF, Visual Basic 2008, rubberband, rubberband circle HowTo: Make a scribble application with XAML in Visual Basic 2008 XAML, WPF, Visual Basic 2008, scribble, drawing HowTo: Get day, month, date, time, and number format information for the computer's locale in Visual Basic 2005 day, month, date, time, number, percent, format, locale, VB.NET HowTo: See if a file is locked in Visual Basic 6 file locked, file, locked Visual Basic 2005 with .NET 3.0 Programmer's Reference: Table of Contents Visual Basic 2005, Visual Studio 2005, .NET Framework 3.0, programming Visual Basic 2005 with .NET 3.0 Programmer's Reference: Snippets Visual Basic 2005, Visual Studio 2005, programming, snippet, .NET Framework 3.0 Visual Basic 2005 with .NET 3.0 Programmer's Reference Visual Basic 2005, Visual Studio 2005, .NET Framework 3.0, programming HowTo: See if a file is locked in Visual Basic .NET file locked, file, locked, VB.NET HowTo: Roughly compare the savings a normal bank account would give versus a 401(k) (a US tax thing) in Visual Basic .NET bank account, savings, interest, tax, tax deferred, 401(k), VB.NET HowTo: Copy the text contents of any messagebox (Visual Basic 6 example) Messagebox, message box, copy message box HowTo: Roughly compare the savings a normal bank account would give versus a 401(k) (a US tax thing) in Visual Basic 6 bank account, savings, interest, tax, tax deferred, 401(k), VB.NET HowTo: Copy the text contents of any messagebox (Visual Basic .NET example) Messagebox, message box, copy message box, VB.NET Bug: Cannot add controls to WPF form in Visual Basic 2008 Visual Basic 2008, WPF, bug, controls   HowTo: Compress the folders within a folder into a Zip file in Visual Basic 2005 Zip, compress, folder, compress folder, compressed folder, compression, Visual Basic 2005 HowTo: Compress a folder into a Zip file in Visual Basic 2005 Zip, compress, folder, compress folder, compressed folder, compression, Visual Basic 2005 HowTo: Use the System.IO.Compression namespace to compress and decompress files in GZip format in Visual Basic 2005 compress, decompress, compression, GZip, Visual Basic 2005 HowTo: Use WMI to make a folder compress its contents to save space in Visual Basic 2005 compress, folder, compress folder, compressed folder, compression, Visual Basic 2005 HowTo: See if a number is expressible as a sum of two cubes (and calculate Taxicab numbers) in Visual Basic 2005 sums of cubes, cubes, numeric algorithms, numeric, taxicab number, Visual Basic 2005, VB.NET HowTo: Make a countdown timer in Visual Basic 2005 countdown timer, timer, alarm, Visual Basic 2005, VB.NET HowTo: See if a number is expressible as a sum of two cubes (and calculate Taxicab numbers) in Visual Basic 6 sums of cubes, cubes, numeric algorithms, numeric, taxicab number, Visual Basic 6 HowTo: Make a countdown timer in Visual Basic 6 countdown timer, timer, alarm, Visual Basic 6 HowTo: Use ADOX to search the table columns in an Access database for a string in Visual Basic .NET ADOX, Access, database, table, column, table columns, search columns, VB.NET HowTo: Use ADOX to search the table columns in an Access database for a string in Visual Basic 6 ADOX, Access, database, table, column, table columns, search columns, Visual Basic 6 HowTo: Use ADOX to list the tables in an Access database and give their types in Visual Basic .NET ADOX, Access, database, table, table type, VB.NET HowTo: Use ADOX to list the queries in an Access database and give their command text in Visual Basic .NET ADOX, Access, database, query, command text, VB.NET HowTo: Use ADOX to search the queries in an Access database for a string in Visual Basic .NET ADOX, Access, database, query, command text, search query, VB.NET Visual Basic 2005 Programmer's Reference: Table of Contents Visual Basic 2005, Visual Studio 2005, programming Visual Basic 2005 Programmer's Reference: Snippets Visual Basic 2005, Visual Studio 2005, programming, snippet Visual Basic 2005 Programmer's Reference Visual Basic 2005, Visual Studio 2005, programming HowTo: Give a class a Clone method in Visual Basic .NET class, clone, VB.NET HowTo: Use ADOX to list the queries in an Access database and give their command text in Visual Basic 6 ADOX, Access, database, query, command text, Visual Basic 6 HowTo: Use ADOX to search the queries in an Access database for a string in Visual Basic 6 ADOX, Access, database, query, command text, search query, Visual Basic 6 HowTo: Use ADOX to list the tables in an Access database and give their types in Visual Basic 6 ADOX, Access, database, table, table type, Visual Basic 6 HowTo: Make a GroupBox that includes a check box to enable and disable its controls in Visual Basic .NET control, custom control, GroupBox, CheckBox, VB.NET, Visual Basic .NET HowTo: Draw a Buddhabrot fractal in Visual Basic 6 fractal, buddhabrot, mandelbrot, iterated system HowTo: Draw a anti-Buddhabrot fractal in Visual Basic 2005 fractal, anti-buddhabrot, buddhabrot, mandelbrot, iterated system HowTo: Draw a Buddhabrot color map fractal in Visual Basic 2005 fractal, buddhabrot color map, buddhabrot, mandelbrot, iterated system HowTo: Draw a Buddhabrot fractal in Visual Basic 2005 fractal, buddhabrot, mandelbrot, iterated system HowTo: Show and hide TextBox scroll bars as needed in Visual Basic 2005 TextBox, scroll bar Tip: Should I Upgrade to Visual Basic 2008? VB 2008, Visual Studio 2008, Visual Basic 2008   HowTo: Use Registry API functions to save and restore values in Visual Basic 6 Registry, API, RegCloseKey, RegCreateKeyEx, RegOpenKeyEx, RegQueryValueExString, RegQueryValueExLong, RegQueryValueExNULL, RegSetValueExString, RegSetValueExLong, SHDeleteKey, Visual Basic 6 HowTo: Use a Pen object's CompoundArray property to give the pen longitudinal stripes in Visual Basic 2005 Pen, CompoundArray, longitudinal stripes, Visual Basic 2005 HowTo: Determine whether a year is a leap year with Visual Basic 2005 leap year, year, dates HowTo: Use WMI to get lots of information about the operating system in Visual Basic 2005 WMI, Visual Basic 2005, BootDevice, BuildNumber, BuildType, Caption, CodeSet, CountryCode, CreationClassName, CSCreationClassName, CSDVersion, CSName, CurrentTimeZone, DataExecutionPrevention_Available, DataExecutionPrevention_32BitApplications, DataExecutionPrevention_Drivers, DataExecutionPrevention_SupportPolicy, Debug, Description, Distributed, EncryptionLevel, ForegroundApplicationBoost, FreePhysicalMemory, FreeSpaceInPagingFiles, FreeVirtualMemory, InstallDate, LargeSystemCache, LastBootUpTime, LocalDateTime, Locale, Manufacturer, MaxNumberOfProcesses, MaxProcessMemorySize, MUILanguages[], Name, NumberOfLicensedUsers, NumberOfProcesses, NumberOfUsers, OperatingSystemSKU, Organization, OSArchitecture, OSLanguage, OSProductSuite, OSType, OtherTypeDescription, PAEEnabled, PlusProductID, PlusVersionNumber, Primary, ProductType, QuantumLength, QuantumType, RegisteredUser, SerialNumber, ServicePackMajorVersion, ServicePackMinorVersion, SizeStoredInPagingFiles, Status, SuiteMask, SystemDevice, SystemDirectory, SystemDrive, TotalSwapSpaceSize, TotalVirtualMemorySize, TotalVisibleMemorySize, Version, WindowsDirectory HowTo: Start another process and disable a button while that process is running in VBA VBA, shell, shell and disable, SetTimer, GetExitCodeProcess HowTo: Use WMI to get lots of information about the computer system in Visual Basic 2005 WMI, Visual Basic 2005, AdminPasswordStatus, AutomaticManagedPagefile, AutomaticResetBootOption, AutomaticResetCapability, BootOptionOnLimit, BootOptionOnWatchDog, BootROMSupported, BootupState, Caption, ChassisBootupState, CreationClassName, CurrentTimeZone, DaylightInEffect, Description, DNSHostName, Domain, DomainRole, EnableDaylightSavingsTime, FrontPanelResetStatus, InfraredSupported, InitialLoadInfo, InstallDate, KeyboardPasswordStatus, LastLoadInfo, Manufacturer, Model, Name, NameFormat, NetworkServerModeEnabled, NumberOfLogicalProcessors, NumberOfProcessors, OEMLogoBitmap, OEMStringArray, PartOfDomain, PauseAfterReset, PCSystemType, PowerManagementCapabilities, PowerManagementSupported, PowerOnPasswordStatus, PowerState, PowerSupplyState, PrimaryOwnerContact, PrimaryOwnerName, ResetCapability, ResetCount, ResetLimit, Roles, Status, SupportContactDescription, SystemStartupDelay, SystemStartupOptions, SystemStartupSetting, SystemType, ThermalState, TotalPhysicalMemory, UserName, WakeUpType, Workgroup HowTo: Start another process and wait for it to complete in VBA VBA, shell, shell and wait, OpenProcess, WaitForSingleProcess HowTo: Display a map for an address on Google maps or Yahoo maps in the system's default browser in Visual Basic 6 map, address lookup, Google, Yahoo, default browser, VB 6, Visual Basic 6 Bug: First release of Visual Basic 2008 adds bug to new WPF projects Visual Basic 2008, WPF, bug   HowTo: Define a DataSet at design time in Visual Basic 2005 DataSet, design time, VB.NET, Visual Basic 2005 HowTo: Use Crystal Reports to build a PDF file in Visual Basic 2005 Crystal Reports, PDF file, report, VB.NET, Visual Basic 2005 HowTo: Display a map for an address on Google maps or Yahoo maps in the system's default browser in Visual Basic 2005 map, address lookup, Google, Yahoo, default browser, VB.NET, Visual Basic 2005 HowTo: Determine whether the computer is running from battery or line power in Visual Basic 2005 power, battery, charging, GetSystemPowerStatus, power status, VB 2005 HowTo: See on which processors the current process can run in Visual Basic 2005 CPUs, number of CPUs, processors, number of processors, VB 2005 HowTo: Round numbers to a given number of digits without using banker's rounding (version 2) in Visual Basic 2005 round, banker's rounding, digits, Math.Round, VB 2005 HowTo: Determine whether the computer is running from battery or line power in Visual Basic 6 power, battery, charging, GetSystemPowerStatus, power status, Visual Basic 6 HowTo: Build images for a TabStrip control's tabs at run time in Visual Basic 6 TabStrip, control, tab, tab images, Visual Basic 6 HowTo: Determine whether a year is a leap year with Visual Basic 6 leap year, year, dates HowTo: Round numbers to a given number of digits without using banker's rounding in Visual Basic 2005 round, banker's rounding, digits, VB 2005 HowTo: Play a tone with a specific frequency in Visual Basic .NET sound, tone, frequency, noise, VB.NET HowTo: Draw three interlocked 3-D blocks with Direct3D in Visual Basic 2005 Direct3D, DirectX, blocks, interlocked, hidden surface removal, z-buffer, Visual Basic 2005 HowTo: Install a font fonts, install font, create font   HowTo: Install a temporary font fonts, install font, create font, remove font, uninstall font, temporary font   HowTo: Make a button that creates more buttons when clicked in Visual Basic .NET button, replicating button, VB.NET HowTo: Make a button that creates more buttons when clicked in Visual Basic 6 button, replicating button, Visual Basic 6 HowTo: Programmatically add a record to a DataSet bound to a DataGrid in Visual Basic 2005 DataSet, DataGrid, add record, Visual Basic 2005 HowTo: Make buttons jump randomly around the screen in Visual Basic 6 button, jump, random, game, Visual Basic 6 HowTo: Programmatically add a record to a DataSet bound to a DataGridView in Visual Basic 2005 DataSet, DataGridView, add record, Visual Basic 2005 HowTo: Make buttons jump randomly around the screen in Visual Basic .NET button, jump, random, game, VB.NET HowTo: Display information about the items below the mouse in a WebBrowser control in Visual Basic 6 WebBrowser, Visual Basic, wait, load HowTo: Make a ListBox display chemical symbols in Visual Basic 2005 ListBox, chemicals, chemical symbols, Visual Basic 2005, subscripts HowTo: Keep track of checked ListBox selections as the user selects and deselects them in Visual Basic 6 ListBox, selection, track selection, Visual Basic 6 HowTo: Use an ALTER TABLE statement to change a column's data type in an Access database in Visual Basic 6 ALTER TABLE, database, ADO, Access, Visual Basic 6 HowTo: Load a ListView control from a database in Visual Basic .NET ListView, load ListView, database, ADO.NET, Access, VB.NET HowTo: Position a popup form over a PictureBox in Visual Basic 6 popup, position popup, PictureBox, Visual Basic, ClientToScreen, ShowWindow, SetWindowPos Talk: Four Fascinating Features regular expressions, cryptography, reflection, Direct3D, graphics, algorithms   HowTo: Start Notepad and wait for it to close in Visual Basic .NET start Notepad, start process, process, Notepad, VB.NET HowTo: Subclass a control to read Windows messages subclass, WindowProc, messages HowTo: List distinct messages received by a form in Visual Basic 6 WndProc, messages, list messages, WindowProc, subclass, VB6 HowTo: List distinct messages received by a form in Visual Basic 2005 WndProc, messages, list messages, VB2005 HowTo: Make a tabbed wizard in Visual Basic 2005 wizard, tabbed wizard, VB2005 HowTo: Start Notepad and wait for it to close in Visual Basic 2005 start Notepad, start process, process, Notepad, VB2005 HowTo: List distinct messages received by a form in Visual Basic .NET WndProc, messages, list messages, VB.NET HowTo: Use the fsutil utility to get a disk's NTFS information fsutil, NTFS, console HowTo: Display drive information in Visual Basic 2005 drive information, VB2005, VB.NET HowTo: Use the fsutil utility to get a disk's NTFS information into an object with fields in Visual Basic 2005 fsutil, NTFS, console, VB2005, VB.NET HowTo: Use the fsutil utility to get a disk's NTFS information in Visual Basic 2005 fsutil, NTFS, console, VB2005, VB.NET HowTo: Use VBA code to add descriptions of the system's drives to a Word document Word, Office, list drives, disk drives HowTo: Select random records from a database table in Visual Basic .NET database, random records, select records, VB.NET HowTo: Compare two variables of a user-defined type (UDT) to see if they hold the same values UDT, user-defined type, data type, compare HowTo: Mark a program to run with elevated privileges by using its manifest in Visual Basic 2008 UAC, shield, Vista, user access control, elevated privileges HowTo: Launch a program while requesting privilege elevation in Visual Basic 2008 UAC, shield, Vista, user access control, elevated privileges, Run As, RunAs HowTo: Add UAC shields to buttons, menu items, and picture boxes in Visual Basic 2008 UAC, shield, Vista, user access control HowTo: Make a Word document in Visual Basic 6 Word, office, word document Books: Non-English books, non-English, foreign   HowTo: Encrypt and decrypt a file by using the triple DES algorithm in Visual Basic 2008 Visual Basic 2008, VB 2008, encrypt, decrypt, cryptography, DES, triple DES HowTo: Play the system sounds in Visual Basic 2008 Visual Basic 2008, VB 2008, sound, system sounds, System.Media.SystemSounds, SystemSounds HowTo: Approximate the factorial function with Sterling's formula Sterling's formula, factorial, calculation HowTo: Rotate a picture by a multiple of 90 degrees in Visual Basic 6 rotate, picture, image, image processing, Visual Basic 6 HowTo: Use a macro to build a Select Case statement for an enumerated value in Visual Basic 2005 macro, enum, select case, VB.NET, VB 2005 What's New in Visual Basic 2008 Visual Basic 2008, Visual Basic, Orcas, changes, what's new   HowTo: Make VBA code call a worksheet function VBA, excel, worksheet function, STDEV HowTo: Give a ListBox a horizontal scroll bar ListBox, scroll HowTo: Make a ListBox display a different tooltip for each item under the mouse in Visual Basic 6 ListBox, select, autoselect, ClientToScreen, LBItemFromPt HowTo: Make a ListBox automatically select the item under the mouse in Visual Basic 6 ListBox, select, autoselect, ClientToScreen, LBItemFromPt HowTo: Use a Visual Basic function in Excel cell formulas VBA, Excel, formula, function HowTo: Build a TextBox control that displays a prompt message when the user hasn't typed anything in Visual Basic .NET TextBox, PromptingTextBox, TextBox prompt, VB.NET, custom control Tip: GotDotNet Visual Basic Power Pack Going Away GotDotNet, Visual Basic Power Pack, Power Pack   HowTo: Make a link label that opens a Web page in Visual Basic 6 link label, LinkLabel, Visual Basic, Web HowTo: Make a link label 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Basic 2005 bounding rectangle, calipers, VB 2005, Visual Basic 2005 HowTo: Trim leading and trailing non-printing ASCII characters from a string in Visual Basic 6 trim, ltrim, rtrim, TrimWhitespace, LTrimWhitespace, RTrimWhitespace, non-printing, ASCII, carriage return, linefeed, line feed What's New in .NET Framework 3.0 .NET Framework 3.0, .NET Framework, changes, what's new,   HowTo: Change the way a DataGridView control navigates when the user presses the Enter key in Visual Basic 2005 DataGridView, Enter, Return, navigate, focus, cell, row, column, Visual Basic 2005, VB 2005 HowTo: Color the current row in a DataGridView control in Visual Basic 2005 DataGridView, color row, current row, row, column, Visual Basic 2005, VB 2005 HowTo: Detect changes to the editing text when the user changes a DataGridView's data in Visual Basic 2005 DataGridView, edit, edit cell, TextChanged, Visual Basic 2005, VB 2005 HowTo: Remove the current row from a DataGridView control in Visual Basic 2005 DataGridView, remove row, delete row, Visual Basic 2005, VB 2005 HowTo: Change the color of a DataGridView control's editing control in Visual Basic 2005 DataGridView, edit, edit cell, color, cell color, Visual Basic 2005, VB 2005 HowTo: Color a column header in a DataGridView in Visual Basic 2005 color header, header, DataGridView, VB 2005, database HowTo: Color a DataGridView control's cells dynamically as their data changes in Visual Basic 2005 color cell, dynamic, DataGridView, VB 2005, database HowTo: Color specific cells in a DataGridView control in Visual Basic 2005 color cells, DataGridView, VB 2005, database HowTo: Calculate escalating royalties escalating royalties, royalties, calculate, percent, FormatCurrency, GetPercent HowTo: Calculate escalating royalties in Visual Basic .NET escalating royalties, royalties, calculate, percent, FormatCurrency, GetPercent, VB.NET HowTo: Add numbered lists and special bullets to the RichTextBox control in Visual Basic .NET RTF, 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Articles, DevX, Rod Stephens, articles, tips, tricks   HowTo: Set the initial size and window state of a PrintPreviewDialog in Visual Basic .NET PrintPreviewDialog, WindowState, dialog, dialog size, VB.NET HowTo: Convert text into a binary format and vice versa in Visual Basic 6 binary, ASCII, shirts, joke, format, Visual Basic 6 HowTo: Convert text into a binary format and vice versa in Visual Basic .NET binary, ASCII, shirts, joke, format, VB.NET HowTo: Make an addition and subtraction quiz for younger kids in Visual Basic 6 math, mathematics, flash cards, quiz, addition, subtraction, VB.NET HowTo: Make an addition and subtraction quiz for younger kids in Visual Basic .NET math, mathematics, flash cards, quiz, addition, subtraction, VB.NET HowTo: Save and restore toolbar configuration when a program starts and stops toolbar, SaveToolbar, RestoreToolbar, configuration Expert One-on-One Visual Basic 2005 Design and Development: Updates Visual Basic 2005, Visual Studio 2005, programming, design, development, reflection, code standards, bug proofing, bug-proofing, testing, snippets, macros, agile methods, splash screen, threading Phong Shading and Reflections Phong shading, reflection, ray tracing, Visual Basic, VB.NET, Camil Moujaber   HowTo: Save and restore ListBox items when a program stops and starts in Visual Basic 6 ListBox, save, restore, Visual Basic 6 HowTo: Easily print grid-like data in Visual Basic .NET grid, print, print grid, data, VB.NET HowTo: Save and restore ListBox items when a program stops and starts in Visual Basic .NET ListBox, save, restore, VB.NET HowTo: Draw samples of hatch patterns in Visual Basic 6 FillStyle, hatch, hatch pattern, Visual Basic, graphics HowTo: Control serialization and deserialization with attributes in Visual Basic .NET setrialize, deserialize, serialization, XmlSerializer, attributes, VB.NET HowTo: Serialize and deserialize objects in Visual Basic .NET setrialize, deserialize, serialization, XmlSerializer, VB.NET HowTo: Set or clear all check boxes in a CheckedListBox in Visual Basic .NET CheckedListBox, set check boxes, clear check boxes, VB.NET HowTo: Make a bouncing ball animation in VB .NET bouncing ball, animation, animate, VB.NET HowTo: Highlight the TextBox that has focus by changing its BackColor highlight, focus, GotFocus, LostFocus, TextBox What's New in Vista Vista, operating systems, changes, what's new,   What's New: Vista and .NET Framework 3.0 Vista, .NET Framework, .NET Framework 3.0, changes, what's new,   Review: Code Craft by Pete Goodliffe code craft, writing solid code, programming techniques, book review, development, project management   Books: Must Read books, software engineering, project management, software development, error handling, bugs, bug-proofing, advanced programming, tips, tricks, algorithms, sorting, searching, data structures, user interfaces, UI, design, creativity, thinking, thought, humor Expert One-on-One Visual Basic 2005 Design and Development: Source Code Visual Basic 2005, Visual Studio 2005, programming, design, development, reflection, code standards, bug proofing, bug-proofing, testing, snippets, macros, agile methods, splash screen, threading Expert One-on-One Visual Basic 2005 Design and Development: Table of Contents Visual Basic 2005, Visual Studio 2005, programming, design, development, reflection, code standards, bug proofing, bug-proofing, testing, snippets, macros, agile methods, splash screen, threading HowTo: Get the computer's total and available physical and virtual memory in Visual Basic 2005 physical memory, virtual memory Visual Basic 2005, VB 2005 HowTo: Make stable appointment assignments based on customer preferences in Visual Basic .NET stable, appointment, assignment, preference, Stable Marriage, VB.NET HowTo: Make stable appointment assignments based on customer preferences stable, appointment, assignment, preference, Stable Marriage HowTo: Convert between UTC time and local time UTC time, local time, convert time Tip: Internationalization internationalization, localization, locale   Tip: Debug at design time with in the same project in Visual Basic .NET debug, design time, VB.NET   HowTo: Replace unprintable characters with spaces in Visual Basic .NET character, ASCII, replace, regular expressions, regex, VB.NET HowTo: Select a particular property in a PropertyGrid control in Visual Basic .NET PropertyGrid, property grid, select property, VB.NET HowTo: Select a particular property in a PropertyGrid control concisely in Visual Basic .NET PropertyGrid, property grid, select property, VB.NET Tip: What is XAML? XAML, .NET Framework 3.0   Tip: Dir$ returns a non-blank path for "CON" even if it doesn't exist Dir, Dir$, CON, directory HowTo: Draw a radar graph in Visual Basic .NET radar graph, graph, VB.NET HowTo: Draw a radar graph in Visual Basic 6 radar graph, graph HowTo: Determine whether a polygon is convex in Visual Basic .NET polygon, convex, concave, graphics, VB.NET HowTo: Find the orientation of a polygon (clockwise or counterclockwise) in Visual Basic .NET polygon, orientation, clockwise, counterclockwise, graphics, VB.NET HowTo: Break a polygon into triangles in Visual Basic .NET triangulate, triangle, polygon, geometry, graphics, VB.NET HowTo: Calculate a polygon's area in Visual Basic .NET polygon, area, graphics, VB.NET HowTo: Find a polygon's centroid (center of mass) in Visual Basic .NET polygon, centroid, center of mass, graphics, VB.NET HowTo: Compare floating point numbers safely in Visual Basic .NET Single, Double, compare, floating point, float, VB.NET HowTo: Draw a pie chart from an array of values in Visual Basic .NET pie chart, pie slice, wedge, circle, VB.NET HowTo: Draw a pie chart from an array of values pie chart, pie slice, wedge, circle HowTo: Use Visual Basic to make an Excel chart Office, Eexcel, workbook, worksheet, chart HowTo: Use VBA code to make a chart in Excel easily Excel, Office, chart, VBA HowTo: Compare floating point numbers safely Single, Double, compare, floating point, float HowTo: Determine whether the system has Internet Explorer configured to use a proxy in Visual Basic 6 proxy, IE, Internet Explorer, Registry, key HowTo: Make a browser that prevents the user from viewing the URL in Visual Basic .NET browser, URL, restricted browser, hide URL, VB.NET HowTo: Determine whether the system has Internet Explorer configured to use a proxy in Visual Basic .NET proxy, IE, Internet Explorer, Registry, key, VB.NET HowTo: Learn the number of CPUs on the system in Visual Basic 2005 CPU usage, CPU load, PerformanceCounter, VB.NET HowTo: Learn the number of CPUs on the system CPUs, number CPUs, CPU, processors HowTo: Make a standard DLL DLL, ActiveX DLL HowTo: Use DrawToBitmap to capture an image of a form in Visual Basic 2005 DrawToBitmap, form image, capture form image, VB 2005, VB.NET HowTo: Prevent the user from closing a UserForm by clicking the X button UserForm, close, X button, disable X button, VBA, Excel HowTo: Monitor CPU usage in Visual Basic .NET CPU usage, CPU load, PerformanceCounter, VB.NET HowTo: Align and color cells in a FlexGrid control FlexGrid, align, cell, color HowTo: Read Unicode text from a file in Visual Basic .NET Unicode, text, file, StreamReader, OpenText, VB.NET HowTo: Let the user move a polygon's points with grab handles, snapping the points to a visible grid polygon, snap to, grid, draw, drag, snapto HowTo: Use MAPI to send email to a list of students with VBA in Excel MAPI, mail, email, sendmail, students, Excel, VBA HowTo: Use the SetProp, GetProp, and RemoveProp API functions to associate a value with a window handle (hWnd) SetProp, GetProp, RemoveProp, hWnd HowTo: Open text file by using CreateText, AppendText, and OpenText in Visual Basic .NET CreateText, AppendText, OpenText, Exists, open file, read file, StreamWriter, StreamReader, VB.NET HowTo: Verify a username and password in a database in Visual Basic .NET password, user name, user id, verify passwoord, database, ADO.NET, VB.NET HowTo: Set tabs in a RichTextBox in Visual Basic .NET RichTextBox, tabs, VB.NET HowTo: Ping an IP address in Visual Basic 6 ping, ping IP address, IP address, IcmpSendEcho HowTo: Use sockets to convert an IP address to a host name or vice versa in Visual Basic 6 sockets, convert IP address, convert host name, IP address HowTo: Remove all Label controls from a form at run time in Visual Basic .NET remove controls, remove labels, label control, form, unload, VB.NET HowTo: Use a FileInfo object to resolve relative path names in Visual Basic .NET relative path, resolve relative path, FileInfo, VB.NET HowTo: Ping a host by name in Visual Basic 6 sockets, convert IP address, convert host name, IP address, ping, ping IP address, IcmpSendEcho HowTo: Send email from VBA code by using MAPI MAPI, email, Excel, VBA, send mail HowTo: Use VBA code to add a numbered worksheet to an Excel workbook VBA, Microsoft Office, Excel HowTo: Draw rainbow shaded text in Visual Basic .NET color, rainbow, text, string, VB.NET HowTo: Unload an application's forms in reverse order of creation close, unload, form HowTo: Unload an application's forms in reverse order of creation, stopping if any don't unload close, unload, form HowTo: Unload an application's forms in reverse order of creation, skipping any that don't unload close, unload, form HowTo: Draw text that is clipped to a graphics path in Visual Basic .NET text, path, clip Tip: Protect files when the operating system crashes crash, Windows, blue screen of death, operating system, files, shutdown   Tip: Turn hexadecimal display 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NET, DOT NET   HowTo: Load a ListView control from an XML file in Visual Basic 6 ListView, load, XML, Visual Basic 6 HowTo: Load a ListView control from an XML file in Visual Basic .NET ListView, load, XML, VB.NET HowTo: Create fonts easily by using the Font constructor that uses a prototype in Visual Basic .NET Font, create font, font prototype, VB.NET HowTo: Create fonts easily and interactively by using the Font constructor that uses a prototype in Visual Basic .NET Font, create font, font prototype, VB.NET HowTo: Draw samples of the available dash caps in Visual Basic .NET DashCap, dash, dash caps, GetValues, VB.NET HowTo: Draw a background with a moving color gradient in Visual Basic .NET color gradient, moving gradient, animation, VB.NET HowTo: Easily list the values defined by an Enum in Visual Basic .NET Enum, list values, enumerated values, GetValues, VB.NET HowTo: Fill text with a moving color gradient in Visual Basic .NET text, color gradient, moving gradient, animation, VB.NET HowTo: Draw a background grid on a form in Visual Basic 2005 background grid, grid, form, BackgroundImage, VB 2005 HowTo: Use VBA code to add and remove comments in Excel cells VBA, Excel, comment, remark HowTo: Find the convex hull of a set of points in Visual Basic 2005 convex hull, geometry, points, bounding polygon, VB 2005 HowTo: Use VBA code to make buttons that jump to the first row beginning with specific letters VBA, Excel, hyperlink, letter, index HowTo: Use VBA code to make hyperlinks that jump to the first row beginning with specific letters VBA, Excel, hyperlink, letter, index HowTo: Use VBA code to scroll an Excel worksheet's pane to a particular column Excel, scroll, column, worksheet, workbook HowTo: Make a generic serializable dictionary class and save and restore objects in it in Visual Basic 2005 serializable dictionary, Dictionary, serialization, serialize, generics, Visual Basic 2005, VB 2005 HowTo: Make a generic serializable dictionary class in Visual Basic 2005 serializable dictionary, Dictionary, serialization, serialize, generics, Visual Basic 2005, VB 2005 HowTo: Read command line parameters in VB 2005 command line, commandline, command line parameters, parameters, VB 2005 HowTo: Use VBA to switch a Word table's rows and columns Word, table, row, column, switch, VBA   HowTo: Make a DataGridView control use a DataTable built at run time in Visual Basic 2005 DataGridView, DataTable, VB 2005 HowTo: Download the NASA Astronomy Picture of the Day and use it for wallpaper wallpaper, desktop, SystemParametersInfo, APOTD, NASA, Astronomy Picture of the Day HowTo: Make a DataGridView control that has its own data source loaded at run time in Visual Basic 2005 DataGridView, DataTable, VB 2005 HowTo: Convert Outlook emails into Word documents em, ail, Word, Microsoft Word, Outlook Express, Outlook HowTo: Use GetCurrencyFormat to format a currency value using locale defaults or custom formatting format currency, GetCurrencyFormat, locale 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datetime HowTo: Use the FormatPercent function in Visual Basic 6 FormatPercent, format percent HowTo: Draw rotated text centered at a point in Visual Basic 6 rotate text, center text, CreateFont HowTo: Dynamically load controls into a "control array" in VB .NET control, control array, load control, AddHandler, VB.NET HowTo: Record and play back mouse movements mouse, move, mouse_event, API HowTo: Move the mouse to a particular position and click it mouse, click, move, mouse_event, API HowTo: Provide design time support for a custom control in Visual Basic .NET custom control, design time, support, icon, smart tag, properties, dropdown, editor, UITypeEditor, VB.NET HowTo: Verify that the user entered a date in an InputBox InputBox, validate, verify, date Tutorial: Twos Complement Numbers twos-complement, ones-complement, number   Bug: SplitContainer control properties cause errors SplitContainer splitter, splitter control, VB.NET, VB 2005   HowTo: Make a Visual Basic .NET library that 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Visual Basic .NET tab, ListBox, set tabs, defined tabs, VB.NET HowTo: Set an environment variable environment variable, SetEnvironmentVariable, environ HowTo: See if a control is in a control array control, control array, index HowTo: Localize control resources at run time in VB .NET locale, internationalization, globalization, CultureInfo, runtime HowTo: Localize control resources at run time by reloading the form in VB .NET locale, internationalization, globalization, CultureInfo, runtime HowTo: Localize control resources at run time by reopening the form in VB .NET locale, internationalization, globalization, CultureInfo, runtime HowTo: Select items in a ListBox in code in Visual Basic .NET ListBox, select, SelectedItem, SelectedIndex, SetSelected, VB.NET HowTo: Use buttons to slide a ListBox's multiple selection up or down in Visual Basic .NET ListBox, select, selection, SelectedItem, SelectedIndex, SetSelected, VB.NET HowTo: Use buttons to slide a ListBox's selection up or down in Visual Basic .NET ListBox, select, selection, SelectedItem, SelectedIndex, SetSelected, VB.NET HowTo: Run a DOS application and capture its output in VB .NET DOS, stdout, stderr, standard output, standard error, standard out, run, VB.NET Talk: Three Cool Namespaces regex, regular expression, XML, serialie, serialization, crypto, cryptography, hash, hashing, encrypt, decrypt, encryption, decryption   HowTo: Start and stop another program start application, stop application, API, WM_CLOSE, SendMessage HowTo: Toolkits by Dale Thorn toolkit, btrieve, text   HowTo: Compose four pictures into a single picture and save the result into a file compose, composition, picture, PictureBox, PaintPicture HowTo: Convert the text the user is typing in a TextBox to Proper Case in Visual Basic .NET TextBox, convert, proper case, StrConv, VB.NET HowTo: Compose four pictures into a single picture and save the result into a file in Visual Basic .NET TextBox, convert, proper case, StrConv, VB.NET HowTo: Convert the text the user is typing in a TextBox to Proper Case TextBox, convert, proper case, StrConv HowTo: Use the RtlMoveMemory API function to copy part of a two-dimensional array into a one-dimensional array in Visual Basic .NET RtlMoveMemory, copy memory, CopyMemory, MoveMemory, array, VB .NET HowTo: Use the RtlMoveMemory API function to copy part of a two-dimensional array into a one-dimensional array in Visual Basic .NET RtlMoveMemory, copy memory, CopyMemory, MoveMemory, array, VB .NET HowTo: Perform label setting shortest path calculations in Visual Basic .NET shortest path, shortest path tree, label settings, algorithms, VB .NET HowTo: Pad strings on the left or right in Visual Basic .NET pad string, PadLeft, PadRight, String, format string, VB .NET HowTo: Perform a sequence of timed actions without multi-threading action, timed, timer, event HowTo: Format the columns displayed by a DataTable in a DataGrid control in Visual Basic .NET DataTable, column, format, align, alignment, DataGrid, VB.NET HowTo: Display a caption for a DataTable in a DataGrid in Visual Basic .NET DataTable, caption, DataGrid, VB.NET HowTo: Let the user check items in a grid in Excel VBA Excel, VBA, grid, editable, FlexGrid HowTo: Display a form with an editable grid in Excel VBA Excel, VBA, grid, editable, FlexGrid HowTo: Use checkmark images to let the user check items in a grid in Excel VBA Excel, VBA, grid, editable, FlexGrid HowTo: Animate a series of images stored in a PictureClip control and display blocking and non-blocking message boxes PictureClip, animate, animation, Timer, blobk, MessageBox, MsgBox HowTo: Convert a string into bytes and vice versa convert, string, bytes, unicode HowTo: Display vertical and horizontal lines as a crosshair in C# C#, csharp, c sharp, VB .NET, crosshair HowTo: Convert a .rtf or .txt file into a .doc file document, word, rtf, txt, doc, convert file Tip: Register and Unregister ActiveX EXEs ActiveX, ActiveX EXE, exe, register, unregister   Tip: Debug Access VBA Code email, Access, VBA, macro, macros code, breakpoint   Tip: Use Orca to Remove a .NET Installation Project's "Everyone" and "Just Me" Options Orca, VB.NET, installation, installation kit, installation package, everyone, just me   HowTo: Print a FlexGrid control's data across multiple pages vertically and horizontally FlexGrid, print, grid, multi-page, multiple pages HowTo: URL decode a string URL, encode, decode, code, string HowTo: Display predefined system pens in Visual Basic .NET pen, system pen, SystemPens, drawing, graphics, VB.NET HowTo: Display join styles in Visual Basic .NET join styles, LineJoin, line, drawing, graphics, VB.NET HowTo: Display predefined system colors in Visual Basic .NET color, system color, SystemColors, drawing, graphics, VB.NET HowTo: Display predefined system brushes in Visual Basic .NET brush, system brush, SystemBrushes, drawing, graphics, VB.NET HowTo: Display predefined system icons in Visual Basic .NET icon, system icon, SystemIcons, drawing, graphics, VB.NET HowTo: Use the Internet Transfer Control to download a file from the Web Internet Transfer Control, inet, download, ftp HowTo: Upload files to keep files on a Web server synchronized with files in a directory in Visual Basic 6 upload, synchronize, Web server HowTo: Download files to keep files on a Web server synchronized with files in a directory in Visual Basic 6 upload, synchronize, Web server HowTo: Use the Internet Transfer Control to upload a file to the Web Internet Transfer Control, inet, upload, ftp Karen Watterson's Weekly Destinations and Diversions (D & D) Karen Watterson, Didja Know, links, diversion, weekly   HowTo: Use regular expressions to replace characters within parts of a string surrounded by quotes in Visual Basic 6 regular expression, regex, regexp, replace HowTo: Use Split to replace characters within parts of a string surrounded by quotes in Visual Basic 6 replace, Split, regular expression HowTo: Make a Panel control that raises a Scroll event in Visual Basic .NET scroll, Panel, AutoScroll, scroll event, VB.NET HowTo: Set a form's client area size in Visual Basic .NET size, client area, ClientSize, form, VB.NET HowTo: Use regular expressions to replace characters within parts of a string surrounded by quotes in Visual Basic .NET regular expression, regex, regexp, replace, VB .NET HowTo: Synchronize two scrolling Panel controls in Visual Basic .NET scroll, Panel, AutoScroll, scroll event, synchronize, VB.NET Ready-to-Run Visual Basic Graphics Programming: Updates graphics, drawing, printing, image processing, ray tracing, animation, curve fitting HowTo: Make a series of color samples color, color sample, pick color HowTo: Sort objects by making a class implement the IComparable interface in Visual Basic .NET compare, IComparable, sort, sortable, Array.Sort, VB.NET HowTo: Sort objects by different key fields by building a comparer class in Visual Basic .NET comparer, IComparer, sort, sortable, Array.Sort, VB.NET HowTo: Make a program shrink to the system tray when the user clicks the close button in Visual Basic .NET system try, tray, shrink, hide, close, NotifyIcon, VB.NET HowTo: Let the user resize a form that has no title bar or borders in Visual Basic .NET resize form, title bar, WM_NCLBUTTONDOWN, HTCAPTION, SendMessage, DefWndProc, VB.NET HowTo: Make a scrolled window that contains several other controls scrolled window, scrolling, scroll bars HowTo: Make a scrolled window that doesn't resize with the form scrolled window, scrolling, scroll bars HowTo: Make a game where you shoot a cannon past black holes game, cannon, black holes, animation HowTo: Make a silly program that tracks the mouse's current position with a pair of eyes in Visual Basic .NET eyes, mouse, mouse cursor, current position, track, VB.NET HowTo: Convert almost white pixels to white pixels, color, convert, color conversion HowTo: Let the user move a form that has no title bar or borders in Visual Basic .NET move form, title bar, WM_NCLBUTTONDOWN, HTCAPTION, SendMessage, DefWndProc, VB.NET HowTo: Get the selected text from a frame within a WebBrowser control by using the control's methods WebBrowser, browser, internet, text, selected text, frame, frameset, frames HowTo: Convert between Rectangle and RectangleF variables quickly in Visual Basic .NET Rectangle, RectangleF, VB.NET HowTo: Draw a regular polygon in Visual Basic .NET polygon, regular polygon, draw, VB.NET HowTo: Change a form's font in Visual Basic .NET font, change font, VB.NET HowTo: Draw a five-pointed star in Visual Basic .NET star, five-pointed star, draw, VB.NET HowTo: Fill a polygon with a PathGradientBrush in Visual Basic .NET path gradient, gradient, PathGradientBrush, fill, draw, VB.NET HowTo: Make a component that has a collection property in Visual Basic .NET component, collection, collection property, VB .NET, TypeConverter, type converter HowTo: Morph from one image to another in Visual Basic .NET image processing, morhp, VB .NET HowTo: Draw a spline "by hand" in VB .NET smooth curve, spline, cardinal spline, Bezier curve, tension, VB .NET HowTo: Warp images in Visual Basic .NET graphics, image processing, warp, fish eye, twist, wave, VB.NET HowTo: Use the URLDownloadToFile API function to download a file from a URL into a file URLDownloadToFile, download, file, Internet HowTo: Make a TypeConverter for a collection in Visual Basic .NET TypeConverter, type converter, PropertyGrid, Properties window, collection, property, VB .NET HowTo: Apply filters to Outlook Express in Visual Basic 6 Outlook Express, filter, email HowTo: Make a type converter in Visual Basic .NET TypeConverter, type converter, PropertyGrid, Properties window, property, VB .NET HowTo: Print text on an odd piece of paper print, paper, unusual paper HowTo: Copy all of the text from a WebBrowser control copy text, clipboard, WebBrowser, Ctrl-A, Ctrl-C HowTo: List the files in a directory that match a pattern in VB .NET directory, list, files, list files, pattern, search, file search HowTo: Get all text or the selected text from a WebBrowser control by using the control's methods WebBrowser, browser, internet, text, selected text HowTo: List the files in a directory's subtree that match a pattern in VB .NET directory, subdirectory, list, files, list files, pattern, search, file search HowTo: Display samples of the colors defined in VBRUN.SystemColorConstants color, system colors, VBRUN, SystemColorConstants HowTo: See if a directory exists in VB .NET directory exists, directory, exists HowTo: See if a file exists in VB .NET file exists, file, exists Who is Rod Stephens? Rod Stephens, author   HowTo: See if a table exists in a DAO database by using an On Error statement DAO, database, table, table exists HowTo: Make a scrolled window that the user can drag with the mouse (as Adobe Acrobat Reader does) scrolled window, drag, drag window, Adobe Acrobat Reader, Acrobat Reader, Acrobat HowTo: Tip: Use LCase$ and UCase$ instead of the CharLower and CharUpper API functions CharLower, CharUpper, case, LCase, UCase HowTo: Use Image and ImageList controls to animate a series of images Image, ImageList, animate HowTo: Make a ColorRadioButton control that changes color when checked and unchecked in VB .NET RadioButton, ColorRadioButton, control, VB.NET HowTo: Use an ImageList control to animate a series of images in VB .NET ImageList, animate, VB.NET HowTo: Chop a large file of tab-delimited data into manageable pieces in VB .NET ADO, database, insert, quotes HowTo: Use ADO to insert records into a database when fields contain quotes ADO, database, insert, quotes HowTo: Capture the image of a Web page Web page, image, capture, Internet Explorer HowTo: Get the local and invariate date and time formats in VB .NET date, time, format, invariate, local, VB.NET HowTo: Rotate text around a center in VB .NET text, rotate, VB.NET HowTo: Draw the Barnsley's Fern fractal Barnsley's Fern, fractal, iterated functions, iterated function system HowTo: Make a simple standard dialog in VB .NET Barnsley's Fern, fractal, iterated functions, iterated function system, VB.NET HowTo: Draw the Barnsley's Fern fractal in VB .NET Barnsley's Fern, fractal, iterated functions, iterated function system, VB.NET HowTo: Draw a fractal Pickover strange attractor using an incremental color scheme in VB.NET Barnsley's Fern, fractal, iterated functions, iterated function system, VB.NET Tip: Comment Long Sections of Code By Using Conditional Compilation comment, conditional compilation   HowTo: Open a text file in the system's default text editor editor, default editor, system editor, text file HowTo: See if a table exists in a DAO database DAO, database, table, table exists HowTo: Open a text file in the system's default text editor editor, default editor, system editor, text file HowTo: Make a swirl swirl HowTo: Make a curlicue fractal in Visual Basic .NET curlicue, fractal, VB.NET HowTo: Make a curlicue fractal curlicue, fractal HowTo: Make a swirl in Visual Basic .NET swirl, VB.NET Karen Watterson's Archived Destinations and Diversions (D & D) Karen Watterson, Didja Know, links, diversion, archive   HowTo: Use a TabControl with owner-drawn tabs in Visual Basic .NET TabControl, OwnerDraw, owner drawn, tab, control, DrawMode, OwnerDrawFixed, VB.NET HowTo: Draw strange attractors (fractals) in Visual Basic .NET strange attractor, fractal, equation, graphics, VB.NET HowTo: Draw strange attractors (fractals) strange attractor, fractal, equation, graphics HowTo: Find the points where a line intersects a circle graphics, line, circle, intersection HowTo: Get the current user's name in Visual Basic .NET user name, username, GetUserName, current user, VB.NET HowTo: Detect when the system performs a Windows XP fast user switch Visual Basic .NET fast user switch, VB.NET HowTo: Find the points where a line intersects a circle in Visual Basic .NET graphics, line, circle, intersection HowTo: Use Newton's method on the equation Z^3 - 3^Z to draw fractals in Visual Basic .NET Newton's method, non-polynomial function, root, function, fractal, VB .NET HowTo: Use a .NET system DLL in a Visual Basic 6 program VB .NET, DLL, System DLL, WebClient, downloadFile HowTo: Use Newton's method on the equation Z^2 - 2^Z to draw fractals in Visual Basic .NET Newton's method, non-polynomial function, root, function, fractal, VB .NET HowTo: Use Newton's method on the equation Z^2 - 2^Z to draw fractals in Visual Basic 6 Newton's method, non-polynomial function, root, function, fractal HowTo: Use Newton's method on the equation Z^n - 1 to draw fractals in Visual Basic 6 Newton's method, polynomial, root, function, fractal HowTo: Use Newton's method to find the roots of an equation Newton's method, equation, root, zero HowTo: Use Newton's method on the equation Z^3 - 3^Z to draw fractals in Visual Basic 6 Newton's method, non-polynomial function, root, function, fractal HowTo: Make an extender provider that automatically displays status messages when controls receive the focus in VB .NET VB .NET, extender provider, status, StatusBar, focus HowTo: Use Newton's method to find the roots of an equation in Visual Basic .NET Newton's method, equation, root, zero HowTo: Make an extender provider that automatically displays status messages when the mouse is over controls in VB .NET VB .NET, extender provider, status, StatusBar, hover HowTo: Use Newton's method on the equation Z^n - 1 to draw fractals in Visual Basic .NET Newton's method, polynomial, root, function, fractal, VB .NET Ready-to-Run Visual Basic Code Library: Updates Visual Basic, tips, tricks, examples HowTo: Solve a system of equations with Gaussian elimination in VB .NET solve, equations, system of equations, Gaussian elimination, VB.NET HowTo: Prevent the user from dragging icons in a ListView ListView, drag, drag items, subclass HowTo: Draw an interesting curved Truchet Tiling Truchet Tiling, curve, draw, graphics, tile, tiling HowTo: Solve a system of equations with Gaussian elimination solve, equations, system of equations, Gaussian elimination HowTo: Draw an interesting colored curved Truchet Tiling Truchet Tiling, curve, draw, graphics, tile, tiling HowTo: Draw an interesting curved Truchet Tiling in Visual Basic .NET Truchet Tiling, curve, draw, graphics, tile, tiling, VB.NET HowTo: Use an ImageAttributes object to display an image's red, green, and blue components in Visual Basic .NET color, color components, ImageAttributes, VB .NET HowTo: Compare the speeds of Trim$(s) and s.Trim() in VB .NET trim, Trim$, VB.NET, string HowTo: Use an ImageAttributes object to swap the red, green, and blue components of an image in Visual Basic .NET color, color components, ImageAttributes, VB .NET HowTo: Write a DLL in Visual Basic .NET that saves images in different formats (GIF, JPG, etc.) and call it from Visual Basic 6 VB .NET, VB 6, Visual Basic 6, DLL, save image, GIF, JPG, JPEG HowTo: Use a INSERT INTO statement in ADO to copy data from one table into two existing tables ADO, data, database, INSERT, INSERT INTO, copy data HowTo: Use an ImageAttributes object to adjust an image's brightness in Visual Basic .NET color, color components, brightness, ColorMatrix, ImageAttributes, VB .NET HowTo: Use a SELECT INTO statement in ADO to copy data from one table into two new tables ADO, data, database, SELECT, SELECT INTO, copy data HowTo: Use an ImageAttributes object to gamma correct an image in Visual Basic .NET color, color components, gamm, gamm correction, ColorMatrix, ImageAttributes, VB .NET HowTo: Write Split and Join functions for VB 5 Split, Join, VB5 HowTo: Use interface inheritance by using the Implements keyword interface inheritance, Implements, subclass, derived class HowTo: Generate HTML versions of all of a Word document's tables HTML, Word, Microsoft Word, table HowTo: Make a lookup cache using ADO.NET in Visual Basic .NET ADO.NET, cache, lookup, lookup table, table HowTo: Scroll a PropertyGrid control to make a particular property visible in Visual Basic .NET PropertyGrid, scroll, property HowTo: Make a lookup cache from a DAO database DAO, cache, lookup, lookup table, table HowTo: Make a kaleidoscope program kaleidoscope, drawing, art HowTo: Read properties from a DAO recordset DAO, recordset, property HowTo: Make a kaleidoscope program in Visual Basic .NET kaleidoscope, drawing, art HowTo: Make a labeled line "symbiote" to help users draw rubberband lines in VB .NET labeled line symbiote, rubberband line, draw, VB.NET HowTo: Make a line "symbiote" to help users draw rubberband lines in VB .NET line symbiote, rubberband line, draw, VB.NET HowTo: Draw a warped path in VB .NET path, GraphicsPath, warp, VB.NET HowTo: Draw a filled polygon polygon, fill, filled polygon HowTo: Make a line "symbiote" to help users draw rubberband lines line symbiote, rubberband line, draw HowTo: Make a line "symbiote" to help users draw labeled rubberband lines labeled line symbiote, rubberband line, draw HowTo: Draw a filled polygon in VB .NET polygon, fill, filled polygon, VB.NET HowTo: Use multiple file versions file version HowTo: Calculate the XOR of two images XOR, image, PaintPicture, image processing HowTo: Draw a three-dimensional histogram with VB .NET histogram, bar chart, graph, VB.NET HowTo: Draw a color wheel in VB .NET histogram, bar chart, graph, VB.NET HowTo: Overlay Rich Text on a picture in Windows XP Rich Text, RTF, RichTextBox, overlay, picture HowTo: Find the convex hull of a set of points convex hull, geometry, points, bounding polygon HowTo: Draw "stars" inside regular polygons star, polygon HowTo: Draw "stars" inside regular polygons in VB .NET star, polygon, VB.NET HowTo: Draw a simple histogram in VB .NET histogram, graph, bar chart, bar graph HowTo: Draw text centered at a position text, center text, font HowTo: Draw text centered at a position in VB .NET text, center text, font HowTo: Make a TextBox control that does not display a context menu in VB .NET TextBox, context menu, popup menu HowTo: Launch the system's default browser in VB .NET browser, default browser, launch program, start program HowTo: Find nodes with a particular tag name in an XML file with VB .NET XML, VB.NET, find node HowTo: Use a VBA macro to number non-blank paragraphs in Word ctrl-A, control-A, select text HowTo: Let the user press Ctrl-A to select all of the text in a TextBox ctrl-A, control-A, select text HowTo: Let the user press Ctrl-A to select all of the text in a TextBox in VB .NET ctrl-A, control-A, select text Microsoft Office Programming: A Guide for Experienced Developers Office, Microsoft Office, programming, Office automation HowTo: Compare two images to find differences greater than a threshold value in VB .NET image, bitmap, VB.NET, compare, difference, imagediff HowTo: Parse a hexadecimal string in VB .NET by using Integer.Parse. parse, hex, hexadecimal, VB.NET, Integer.Parse HowTo: Use VBA code to display a Word document's built in document properties Word, VBA, properties, document properties HowTo: Use VBA macros to accept revisions in a Word document between two dates code, format, Word, VBA HowTo: Use VBA macros to format text in Word to look like code code, format, Word, VBA HowTo: Set an application's Task Manager icon icon, application icon, task manager HowTo: Convert values between decimal, hexadecimal, octal, and binary in VB .NET convert, decimal, hexadecimal, octal, binary, base, VB.NET HowTo: Capture an image of a MSChart control MSChart, chart, control, image HowTo: Make a game where you control a cannon ball's angle and speed to try to hit a house in VB .NET cannon, simulation, gravity, animation HowTo: Get disk information including serial number in VB .NET disk, serial number, GetVolumeInformation, VB.NET HowTo: Make a game where you control a cannon ball's angle and speed to try to hit a house cannon, simulation, gravity, animation HowTo: Convert an Access database to Access2002 Access, Office, Microsoft Office, MS Office, convert HowTo: Draw an image with gradient alpha (opacity) values in VB .NET image processing, alpha, gradient, opacity, VB .NET HowTo: Make translucent text suitable for image watermarking in VB .NET watermark, image, translucent, transparent, opacity, VB.NET HowTo: Generate a schedule for a round robin tournament in VB .NET round robin, tournament, schedule HowTo: Remap a color in an image in VB .NET image processing, remap color, color, VB .NET HowTo: Generate a schedule for pool play on a single court with fairly distributed rests pool, schedule HowTo: Load new Frame controls and their contained controls Frame, control array, load HowTo: Make an image fade from one picture to another and back in VB .NET image processing, alpha, opacity, fade, animation, VB .NET HowTo: Make a loop that times out after a certain period timeout, loop HowTo: Draw an image with gradient alpha (opacity) values in VB .NET image processing, alpha, gradient, opacity, VB .NET HowTo: Use code that allows the user to abort, retry, or ignore when an error occurs error, error handling, abort, try, ignore HowTo: Generate a schedule for a round robin tournament round robin, tournament, schedule HowTo: Use VBA to compare two Ranges in Excel and highlight the cells that are different Excel, Range, compare HowTo: Make and show metafiles in VB.NET metafile, VB.NET HowTo: Use ADOX to get and set the description of a column in an Access database ADOX, ADO, column description, Access Prototyping With Visual Basic: Related Articles software engineering, software development, prototyping, project management HowTo: Provide print preview print, print preview HowTo: Provide print preview with different scales print, print preview, scale HowTo: Sort data and remove duplicates quicksort, sort, duplicates, remove duplicates, unique HowTo: Use ADO to add and drop columns from a database database, data, ADO HowTo: Use ADOX to add and drop columns from a database database, data, ADO, ADOX HowTo: Use standard formatting strings to format Doubles in VB .NET format, format specifier, string, VB.NET HowTo: Use a composite format specifier in VB .NET format, format specifier, string, VB.NET HowTo: Use standard formatting strings to format Dates in VB .NET format, format specifier, string, VB.NET HowTo: Use custom formatting strings to format Dates in VB .NET format, format specifier, string, VB.NET HowTo: Use custom formatting strings to format Doubles in VB .NET format, format specifier, string, VB.NET HowTo: Let the user drag and drop text to a specific position in a TextBox drag, drop, drag and drop, TextBox HowTo: Let the user drag and drop text to a specific position in a TextBox in VB .NET drag, drop, drag and drop, TextBox HowTo: Make a DataTable at run time without a database and bind it to a DataGrid in VB .NET HowTo: Display a status bar showing the steps in a long task StatusBar, steps, stages, progress, ProgressBar HowTo: Generate code for standard property procedures property procedure, get, set, replace, token HowTo: Make and use custom attributes in VB .NET attribute, custom attribute HowTo: Generate code for standard property procedures in VB .NET property procedure, get, set, replace, token HowTo: Draw a rubberband rectangle with and without double buffering in VB .NET HowTo: Fit a PictureBox to its non-transparent pixels in VB .NET shaped picture, PictureBox, region HowTo: Draw a smooth closed curve smooth curve, smooth closed curve, spline, cardinal spline, Bezier curve, tension HowTo: Keep track of the foreground application in VB .NET foreground application, foreground window, GetForegroundWindow HowTo: Draw a smooth curve smooth curve, spline, cardinal spline, Bezier curve, tension HowTo: Draw a Bezier curve Bezier curve, spline, smooth, curve HowTo: Draw a smooth closed curve by hand in VB .NET smooth curve, smooth closed curve, spline, cardinal spline, Bezier curve, tension HowTo: Draw a Bezier curve by hand in VB .NET Bezier curve, spline, smooth, curve HowTo: Draw a smooth curve by hand in VB .NET smooth curve, spline, cardinal spline, Bezier curve, tension HowTo: Make a DataSet at run time without using any design time controls in VB .NET DataSet, runtime, database, ADO.NET HowTo: Draw an hypotrochoid (and hypocycloid) in VB .NET hypotrochoid, hypocycloid, curve HowTo: Keep track of the foreground application foreground application, foreground window, GetForegroundWindow HowTo: Draw an epitrochoid (and epicycloid) in VB .NET epitrochoid, epicycloid, curve HowTo: Use DAO to make a database lookup table DAO, database, lookup, table HowTo: Determine when the user closes the main menu menu, main menu, close, subclass, WindowProc HowTo: Determine whether a point is inside a polygon polygon, point, inside, contains HowTo: Update a DataSet that doesn't have primary keys in VB .NET DataGrid, DataTable, bind, ADO.NET, data, database, primary key HowTo: Bind a DataGrid to a DataTable at run time in VB .NET DataGrid, DataTable, bind, ADO.NET, data, database HowTo: Define a relationship between two tables in a DataSet in VB .NET DataGrid, DataTable, bind, ADO.NET, data, database, relationship HowTo: Display parent and child records in two DataGrid controls in VB .NET DataGrid, DataTable, bind, ADO.NET, data, database, relationship, parent/child, master/detail HowTo: Bind a DataGrid to a DataTable with read-only columns in VB .NET DataGrid, DataTable, bind, ADO.NET, data, database, read only HowTo: Use DAO to copy the values in matching fields from one table to another DAO, database, field, match, copy, record HowTo: Use DAO to copy records from one table to another, remapping source and destination fields DAO, database, field, match, copy, record, map HowTo: Bind a DataGrid to a DataSet at run time in VB .NET ADO.NET, database, DataGrid, DataSet, bind HowTo: Use DAO to compare tables in two Access databases DAO, database, compare, DB, Access, tables HowTo: Let the user pick multiple files in VB .NET file, open file, select file, VB .NET HowTo: Use DAO to compare two Access databases' structure DAO, database, compare, DB, Access HowTo: Let the user pick multiple files file, open file, select file HowTo: Make an ExtenderProvider to validate TextBoxes by using a regular expression in VB .NET Regex, regular expression, ExtenderProvider, validation, validate HowTo: Shell a program with a specific startup directory Shell, run, startup directory, start in HowTo: Display the program's current directory CurDir, show directory, display directory, current directory HowTo: Draw a butterfly curve graphics, curve, butterfly, butterfly curve HowTo: Draw a butterfly curve in VB .NET graphics, curve, butterfly, butterfly curve, VB.NET HowTo: Draw a chrysanthemum curve graphics, curve, chrysanthemum, chrysanthemum curve HowTo: Draw a chrysanthemum curve in VB .NET graphics, curve, chrysanthemum, chrysanthemum curve, VB.NET HowTo: Find the difference between two images in VB .NET image, bitmap, VB.NET, compare, difference, imagediff HowTo: Compare two images to find differences image, bitmap, compare, difference, imagediff HowTo: Make functions that calculate the minimum and maximum of their parameters Min, Max, minimum, maximum HowTo: Find the difference between two images image, bitmap, compare, difference, imagediff HowTo: Compare two images to find differences in VB .NET image, bitmap, VB.NET, compare, difference, imagediff HowTo: Print a long series of paragraphs in different fonts, breaking across pages in VB .NET print, preview, text, long text, print preview, VB .NET HowTo: List and create instances of the shape types defined in an assembly in VB .NET assembly, type, data type, reflection, invoke, shapes, VB .NET HowTo: List the types defined in an assembly in VB .NET assembly, type, data type, reflection, VB .NET HowTo: Use a WebClient object to download the data at a URI in VB .NET WebClient, URL, URI, download, VB .NET HowTo: List the assemblies referenced by an assembly in VB .NET assembly, reference, reflection, VB .NET HowTo: List and create instances of the types defined in an assembly in VB .NET assembly, type, data type, reflection, invoke, VB .NET HowTo: Make a class that manages arrays retrieved by calling Recordset.GetRows Recordset, GetRows, array HowTo: Display the full name of an assembly in VB .NET assembly, full name, FullName, reflection, VB .NET HowTo: Draw a centered circle whenever the user resizes a form in VB .NET VB.NET, circle, center, resize, Paint, GDI+ HowTo: Use the Invalidate method to draw a centered circle whenever the user resizes a form in VB .NET VB.NET, circle, center, resize, Paint, GDI+ Tip: VB 6 Coding Style coding style, code style, rules   HowTo: Use a scroll bar to let the user scroll a picture vertically scroll bar, VScrollBar, vertical, vertical scroll bar, scroll HowTo: Connect an ADO Recordset to an XML file located at a URL ADO, Recordset, XML, URL, Web, data, Access HowTo: Save an ADO Recordset's data into an XML file ADO, Recordset, XML, URL, Web, data, Access HowTo: Get information about a window and its children window information, children, GetWindow, SendMessage, GetClassName HowTo: Find the text displayed by a Window's descendant given its hierarchical window path window, hWnd, FindWindow, class, window class, path, window path HowTo: Get information about a Window's child hierarchy from its hWnd window, hWnd, FindWindow, class, window class HowTo: See what URL Internet Explorer is displaying Internet Explorer, IE, address, URL HowTo: Write an InStrRev function for VB 5 InStrRev, VB5, Visual Basic 5 HowTo: Position tab stops while drawing text in VB .NET tabs, VB .NET, drawing, layout rectangle, StringFormat HowTo: Set tabs in a TextBox in VB .NET TextBox, tabs, VB .NET HowTo: Remove hyperlinks from a Word file in VB .NET Word, Microsoft Word, Office, Microsoft Office, hyperlink, VB .NET HowTo: Remove personal information from a Word file in VB .NET Word, Microsoft Word, Office, Microsoft Office, personal information, VB .NET HowTo: Read, write, and delete document variables in a Word document in VB .NET Word, Microsoft Word, Office, Microsoft Office, variable, VB .NET HowTo: Remove hyperlinks from a Word file Word, Microsoft Word, Microsoft Office, hyperlink HowTo: Remove personal information from a Word file Word, Microsoft Word, Office, Microsoft Office, personal information HowTo: Read, write, and delete document variables in a Word document Word, Microsoft Word, Office, Microsoft Office, variable HowTo: Change a thread's priority thread, priority   HowTo: Copy corresponding fields from one table to another in an Access database Access, field, table, copy HowTo: Count the lines of code in a Visual Basic 5/6 project count lines, project, forms, modules, subs, subroutines, functions HowTo: Count the lines of code in Visual Basic 5/6 projects within a directory hierarchy count lines, project, forms, modules, subs, subroutines, functions HowTo: Store and retrieve an image in an Access database Access, image, picture, memo HowTo: Use the OpenFileDialog control's RestoreDirectory property in VB .NET Access, image, picture, memo HowTo: Bind a CurrencyManager to objects in a collection and use it for navigation in VB .NET CurrencyManager, binding, data binding, VB.NET, DataBinding HowTo: Bind controls' properties to each other in VB .NET binding, data binding, VB.NET, DataBinding, properties, property HowTo: Use ADOX to get lots of information about an Access database ADOX, information, database, Access HowTo: Use DAO to compact an Access database DAO, compact, database, Access HowTo: Use a bound DataGrid in VB.NET DataGrid, binding, bind, bound, VB.NET HowTo: Use IIF in a SQL SELECT statement to make a DataReport display a warning if a value is too low in VB.NET DataReport, VB.NET, IIF, warning, CrystalReportViewer, CrystalReport, CrystalReports HowTo: Use IIF in a SQL SELECT statement to display a warning if a value is too low in VB.NET DataGrid, binding, bind, bound, VB.NET, IIF, warning HowTo: Display query results in a bound grid control database, bound controls, grid HowTo: Use IIF in a SQL SELECT statement to make a DataReport display a warning if a value is too low IIF, SQL, SELECT, database, warning, DataReport HowTo: Use IIF in a SQL SELECT statement to display a warning if a value is too low IIF, SQL, SELECT, database, warning HowTo: Use DAO to copy data from a CSV file into an Access database DAO, CSV, Access, delimited, database, data, SELECT HowTo: Make a PictureBox control that has a bindable FileName property in VB .NET bind, data, bindable, PictureBox, NamedPicture HowTo: Deter an SQL injection attack SQL injection, attack, hacker, data, safe HowTo: Bind a collection of objects to a DataGrid in VB .NET DataGrid, bind, data binding, collection HowTo: Bind a collection of objects to a DataGrid and let it sort on the columns in VB .NET DataGrid, bind, data binding, collection, sort, IEditableObject, IBindingList HowTo: Kill another application given its name kill, stop, halt, end, SendMessage HowTo: Terminate a process immediately in VB.NET terminate, end, halt, stop, kill, VB.NET HowTo: Terminate a process immediately terminate, end, halt, stop, kill Tip: .NET Empty Arrays VB.NET, array, empty array, ReDim   HowTo: Use DAO to search for a string in database table and field names database, search, table, field, DAO HowTo: Draw a bar-style meter on a PictureBox meter, bar, PictureBox HowTo: Display the data in a DataSet by using as DataGrid control in VB .NET DataSet, DataGrid, VB.NET, data, database, ADO.NET HowTo: Create records that have an AutoNumber field and find out what the newly created field value is in VB .NET DataSet, VB.NET, data, database, ADO.NET, AutoNumber, Auto Number, AutoIncrement HowTo: Create a foreign key constraint between two DataTables in VB .NET DataSet, VB.NET, data, database, ADO.NET, foreign key, constraint HowTo: Remove system menu items from another program system menu, remove menu, remove system menu, other program, RemoveMenus, DeleteMenu, FindWindow HowTo: Use a VB .NET assembly from Visual Basic 6 VB6, Visual Basic 6, VB.NET, Visual Basic .NET, DLL, assembly   Tip: Icon Hell icon, crash, missing icons, icon crash, Windows Explorer, Internet Explorer   HowTo: Use DAO to make an Excel report on an Access database's structure Access, database, DAO, Excel, index, relation, table HowTo: Use ADO.NET to make an Excel report on an Access database's structure in VB.NET Access, database, ADO.NET, Excel, index, relation, table, VB.NET Tip: Database Programming With MSDE database programming, ADO, MSDE, Access, SQL Server   Tip: Using XP Search Companion XP Search Companion, XP, Search Companion, search, find, find files   HowTo: Use a Visual Basic 6 DLL from VB .NET VB6, Visual Basic 6, VB.NET, Visual Basic .NET, DLL HowTo: Use a Word server to print Word files in VB .NET Office, Word, print, PrintOut, VB.NET HowTo: Animate a moving picture in VB .NET animate, animation, multimedia HowTo: Make a moveable analog clock with a shaped form in VB .NET analog, clock, time, position, lower right, rotated text, move, move form HowTo: Make a transparent moveable analog clock in VB .NET analog, clock, time, position, lower right, rotated text, transparent, move, move form HowTo: Use DAO to list database properties and their values DAO, database, property, database property, database properties HowTo: Use FSO to create a FileInspector application that displays information about files FSO, File System Object, file inspector, file, file attributes, file times, modification time, access time, creation time HowTo: Use DAO to set, get, and delete database properties DAO, database, property, database property, database properties HowTo: Use a Word server to print Word files Office, Word, print, PrintOut HowTo: Add files to the Recent Documents list and clear the list Recent Documents, Recent Documents list HowTo: Call Word to spell check from Visual Basic .NET Office, Word, spell, spellcheck, VB.NET HowTo: Add files to the Recent Documents list and clear the list in Visual Basic .NET Office, Word, spell, spellcheck, VB.NET HowTo: Display the Windows About dialog About dialog, Windows HowTo: Use DAO to display a database's structure in a TreeView control database, DAO, structure, TreeView HowTo: Compare different methods for using DAO to find records database, DAO, index, key, Seek, FindFirst HowTo: Make a very cool JavaScript clock clock, JavaScript   HowTo: Make an analog clock with a shaped form in VB .NET analog, clock, time, position, lower right, rotated text Tip: Specify the Compare argument when using Split, Filter, Replace, Join, or InstrRev in VBA 6 Compare, Split, Filter, Replace, Join, InstrRev, VBA   HowTo: Use a FilgraphManager to play a WAV file FilgraphManager, WAV, audio, media HowTo: Make an analog clock with a shaped form analog, clock, shaped form, time, move form HowTo: Expand ComboBox choices while typing, version 2 ComboBox, combo, expand, autoexpand HowTo: Load a picture so it doesn't lock the picture file in VB .NET load picture, Bitmap, lock, lock file, sharing, file sharing HowTo: Make a console window clear the console window in VB .NET console application, console window, clear, console, VB.NET HowTo: Draw on an MDI parent's background in VB .NET MDI, MDI parent, background, VB.NET HowTo: Change the color of an MDI parent form's background in VB .NET MDI, MDI parent, background, background image, VB.NET HowTo: Tile an MDI parent's background with an image in VB .NET MDI, MDI parent, background, background image, VB.NET HowTo: Execute a console program and capture its output console program, capture output, stdout, execute HowTo: Give a ListView control flat headers ListView, header, flat header HowTo: Format dates and draw an analog clock format date, clock, analog clock HowTo: Quickly read and write a binary file to and from an array binary data, array, read, write, file HowTo: Format a TimeSpan in days, hours, minutes, and seconds in VB.NET TimeSpan, VB.NET, format HowTo: Grab part of the desktop image from a tray icon in VB .NET desktop, grab pixels, image, background, VB.NET, NotifyIcon, ContextMenu HowTo: Grab part of the desktop image in VB .NET desktop, grab pixels, image, background, VB.NET HowTo: Use a System Tray icon in VB.NET System tray, tray icon, VB.NET, NotifyIcon, ContextMenu HowTo: Embed bitmap, text, and other resource files in a compiled application and use them in VB .NET embed, embedded resource, resource, bitmap HowTo: Make a tray icon that grabs an image of part of the desktop and saves it to the clipboard and/or a JPEG file on the desktop desktop image, background, JPEG, JPG, try, system tray, clipboard HowTo: Grab an image of part of the desktop and save it in a JPEG file on the desktop desktop image, background, JPEG, JPG HowTo: Put text with a color background in menus menu, font, colored menu, ModifyMenu HowTo: Make a tray icon that grabs an image of part of the desktop and saves it in a JPEG file on the desktop desktop image, background, JPEG, JPG, try, system tray HowTo: Use menus with custom fonts menu, font, WndProc, subclassing HowTo: Get drive information (type of drive, whether a floppy is present, etc.) in a structured format disk, drive, drive information, serial number, volume name, file system type, FAT32, FAT, removable, loaded HowTo: Give PictureBoxes different border styles (raised, sunken, etc.) in VB .NET PictureBox, border style, raised, sunken, VB.NET HowTo: Format a BIG number of bytes in KB, MB, GB, TB, etc. in VB .NET format, bytes, KB, MB, GB, VB.NET HowTo: Format a number of bytes in KB, MB, and GB by using StrFormatByteSize in VB .NET format, bytes, KB, MB, GB, StrFormatByteSize, VB.NET HowTo: Evaluate mathematical expressions using code in VB .NET mathematical expression, expression, evaluate, VB.NET HowTo: Format a BIG number of bytes in KB, MB, GB, TB, etc. by using an array of postfixes in VB .NET format, bytes, KB, MB, GB, VB.NET HowTo: Format a number of bytes in KB, MB, and GB by using StrFormatByteSize format, bytes, KB, MB, GB, StrFormatByteSize HowTo: Format a BIG number of bytes in KB, MB, GB, TB, etc. format, bytes, KB, MB, GB HowTo: Format a BIG number of bytes in KB, MB, GB, TB, etc. by using an array of postfixes format, bytes, KB, MB, GB HowTo: Give PictureBoxes different border styles (raised, sunken, etc.) PictureBox, border style, raised, sunken HowTo: Make a TextBox that allows only digits in VB.NET TextBox, lower case, VB.NET HowTo: Make a TextBox convert letters to lowercase in VB.NET TextBox, lowercase, lower case, VB.NET HowTo: Make a TextBox convert letters to upper case in VB.NET TextBox, lower case, VB.NET HowTo: Get drive information (type of drive, whether a floppy is present, etc.) disk, drive, drive information, serial number, volume name, file system type, FAT32, FAT, removable, loaded HowTo: Track the mouse's movement and display its position in a tooltip-like window mouse, cursor, movement, track mouse HowTo: Add nodes to a TreeView control when the user expands a node TreeView, expanding, collapsing, node HowTo: Disable certain key combinations such as Alt-Tab disable keys, key combinations, Alt-Tab HowTo: Overlay one picture on another overlay, mask, picture, foreground, background HowTo: Save and restore a popup menu's selected choice when a program starts and stops SaveSetting, GetSetting, popup, Registry HowTo: Make multiple controls share the same event handler in VB .NET Handles, event handler, VB.NET HowTo: Make a "control array" component in VB .NET control array, component, VB.NET HowTo: List all the permutations of a set of numbers permute, permutation, combinatorics HowTo: Use the ReadOnly attribute in VB .NET ReadOnly, attribute, VB.NET, property HowTo: Use the RefreshProperties attribute in VB .NET RefreshProperties, attribute, VB.NET, property HowTo: Use the DebuggerHidden attribute in VB .NET DebuggerHidden, attribute, VB.NET, property HowTo: Use the Obsolete attribute in VB .NET Obsolete, attribute, VB.NET, property HowTo: Use the DebuggerStepThrough attribute in VB .NET DebuggerStepThrough, attribute, VB.NET, property HowTo: Use the ParenthesizePropertyName attribute in VB .NET ParenthesizePropertyName, attribute, VB.NET, property HowTo: Reparent controls from one form to another reparent, reparent control HowTo: Use a new WindowProc and SetWindowLong to make a TextBox accept only digits TextBox, only digits, numeric field, SetWindowLong, WindowProc, subclassing HowTo: Number the files in a directory rename files, number files HowTo: Convert colors that are mostly red, green, or blue into a new color mostly color, color, SetDIBits, GetDIBits HowTo: Rename the files in a directory rename files HowTo: Use the Conditional attribute to make a method non-callable in VB.NET ReDim, array HowTo: Redimension multiple arrays in a single statement in VB.NET ReDim, array HowTo: Center a form above another form center form HowTo: Select random files from a set of directories to build a MP3 player mix mp3, mix, random, random files, browse, SaveSetting, GetSetting, DeleteSetting HowTo: Select random files from a set of directories to build a MP3 player mix in VB.NET mp3, mix, random, random files, browse, SaveSetting, GetSetting, DeleteSetting HowTo: Add and remove buttons from a scrolled button area button, add, remove, scroll HowTo: Save and load data when a program starts and stops by using a text file save, load, control HowTo: Let the user grab part of the screen grab screen, capture screen HowTo: Search for files matching a pattern and show their sizes and total size file, size, search, pattern Talk: What's New in VB 2005 VSA, Visual Studio for Applications   HowTo: Build an Access database and a table with records using DAO build database, DB, DAO, make table, Access HowTo: Experiment with shapes, colors, and fill styles shape, FillColor, BackColor, border color HowTo: Parse tags that look sort of like XML tags, parse, XML HowTo: Toggle a disabled option button by using a label option button, OptionButton, toggle HowTo: Use the DefaultProperty attribute in VB .NET DefaultProperty, DefaultPropertyAttribute, attribute, VB.NET, property HowTo: Use the Localizable attribute in VB .NET Localizable, LocalizableAttribute, attribute, VB.NET, property HowTo: Get a property's attribute value in VB .NET attribute, VB.NET, property HowTo: Use the Description attribute in VB .NET Description, DescriptionAttribute, attribute, VB.NET, property HowTo: Use the DefaultValue attribute in VB .NET DefaultValue, DefaultValueAttribute, attribute, VB.NET, property HowTo: Use the MergableProperty attribute in VB .NET MergableProperty, MergablePropertyAttribute, attribute, VB.NET, property HowTo: Use the Browsable attribute in VB .NET browsable, BrowsableAttribute, attribute, VB.NET, property HowTo: Make and use a custom attribute in VB .NET attribute, custom attribute, GetCustomAttribute, CustomAttribute HowTo: Use the Category attribute in VB .NET Category, CategoryAttribute, attribute, VB.NET, property HowTo: Use the DefaultEvent attribute in VB .NET DefaultEvent, DefaultEventAttribute, attribute, VB.NET, property HowTo: Create a class with a parameterized property class, property, parameter HowTo: Build a custom file selection dialog dialog, common dialog, file selection dialog HowTo: Create an ActiveX control with a parameterized property ActiveX, property, parameter HowTo: Determine what FRM, BAS, OCX, and CLS files a project file references VBP, files HowTo: Print text one line at a time to a line printer line printer, print, HowTo: Round a value to a specified number of digits in VB .NET round, round off, digits HowTo: List the values defined by an Enum in VB .NET Enum, reflection HowTo: Let the user select and Zip files individually Zip, WinZip, files, compress, archive HowTo: Draw a fractal Pickover strange attractor fractal, Pickover, Pickover attractor, strange attractor HowTo: Draw a fractal Mandelbrot set in VB.NET fractal, Mandelbrot, Mandelbrot set HowTo: Draw a fractal Hilbert curve in VB.NET fractal, Hilbert curve HowTo: Draw a fractal binary tree in VB.NET fractal, binary tree, tree HowTo: Draw a fractal Pickover strange attractor in VB.NET fractal, Pickover, Pickover attractor, strange attractor HowTo: Make a financial calculator financial calculator, mortgage, present value, future value HowTo: Draw a fractal Hilbert curve fractal, Hilbert curve HowTo: Draw a fractal binary tree fractal, binary tree, tree HowTo: Draw a fractal Mandelbrot set fractal, Mandelbrot, Mandelbrot set HowTo: Draw a Sierpinski gasket (fractal) in VB.NET Sierpinski gasket, fractal, random, VB.NET HowTo: Draw a Sierpinski gasket (fractal) Sierpinski gasket, fractal, random HowTo: Draw a non-triangular Sierpinski gasket (fractal) in VB.NET Sierpinski gasket, fractal, random, VB.NET HowTo: Draw a non-triangular Sierpinski gasket (fractal) Sierpinski gasket, fractal, random HowTo: See if a screen saver is running screen saver, SystemParametersInfo HowTo: Make a button that shows its borders only when the mouse is over it by using capture button, mouse, border, capture HowTo: Draw simulated snow snow, screen saver HowTo: Use winsock to make a simple chat program winsock, chat, IPC HowTo: Pause and resume a thread in VB.NET thread, multi-threading, SyncLock, asynchronous, threading, pause, resume, suspend HowTo: Run Threads with different priorities in VB.NET thread, multi-threading, SyncLock, asynchronous, threading, priority HowTo: Start multiple threads in VB.NET thread, multi-threading, SyncLock, asynchronous, threading HowTo: Let a Thread call a form's methods in VB.NET thread, multi-threading, SyncLock, asynchronous, threading, Invoke, InvokeRequired HowTo: Find the first day of the week on this computer in VB.NET WeekDayName, internationalization, first day of the week, locale, VB.NET HowTo: Set the MonthCalendar control's FirstDay property correctly for this computer in VB.NET WeekDayName, internationalization, first day of the week, locale, VB.NET HowTo: Draw text filled with text filled text, outline text, text, CreateFont, SetWindowRgn, region HowTo: Draw text in XOR mode and with other raster operations XOR, text, raster operations, raster ops Discussion: Visual Studio 2005, Beta Testing for the Vision Impaired Visual Studio 2005, VS 2005, Vision Impaired   HowTo: Associate a file extension with an executable associate, extension, executable, application HowTo: Find the first day of the week on this computer WeekDayName, internationalization, first day of the week, locale HowTo: Set the Calendar control's FirstDay property correctly for this computer WeekDayName, internationalization, first day of the week, locale HowTo: Allow quick upgrades of pictures in an application picture, upgrade, deploy, deployment HowTo: Make a scroll bar's thumb proportional to the number of visible items ScrollBar, thumb HowTo: List the HatchStyle values defined by VB .NET Enum, reflection, HatchStyle HowTo: Use the WeakReference class in VB .NET WeakReference, garbage collection, garbage collector, VB.NET HowTo: Show the current screen saver screen saver, INI, INI file, get INI value, Windows directory, get Windows directory HowTo: Get or set the current screen saver screen saver, INI, INI file, get INI value, Windows directory, get Windows directory HowTo: List the values defined by an arbitrary Enum in VB .NET Enum, reflection HowTo: List the values defined by an arbitrary Enum in VB .NET Enum, reflection Tutorial: Steganography (Hidden in Plain Sight) steganography, cryptography, code HowTo: Evaluate mathematical expressions using the MS Script control mathematical expression, expression, evaluate, parse, Script control HowTo: Graph a user-entered function by using the MS Script control graph, equation, scale, user-entered function, mathematical expression, expression, evaluate, parse, Script control HowTo: Graph a user-entered function by parsing the function graph, equation, scale, user-entered function, parse HowTo: Use transformations to draw angled text in VB .NET font, angled text, VB.NET, transformation, Graphics HowTo: Draw transformed text in VB .NET transform, transformation, text, font, VB.NET HowTo: Draw untransformed text at a transformed location in VB .NET transform, transformation, text, font, VB.NET HowTo: Draw text that is rotated but otherwise untransformed at a transformed location in VB .NET transform, transformation, text, font, VB.NET HowTo: Set a scaling transformation on a Graphics object and map mouse positions back into world coordinates in VB .NET VB.NET, scale, scalemode, scalex, scaley, graph, transform, transformation, invert, inverse HowTo: Let the user decide which ToolBar buttons are visible in VB .NET ToolBar, customize, customization, configure, VB.NET HowTo: Save and restore toolbar configuration when a program starts and stops in VB .NET ToolBar, customize, customization, configure, VB.NET HowTo: Add hidden buttons to a toolbar toolbar, SaveToolbar, RestoreToolbar, configuration, hidden buttons HowTo: Generate random colors in Visual Basic 6 color, random color, RGB, QBColor HowTo: Demonstrate the Graphics object's drawing methods in VB .NET draw, drawing, DrawLine, DrawLines, DrawPath, DrawEllipse, DrawPie, DrawRectangle, DrawRectangles, DrawArc, DrawPolygon, DrawString, DrawBezier, DrawBeziers, DrawClosedCurve, DrawCurve, DrawImage HowTo: Display samples of fonts in VB .NET font, bold, underscore, underline, strikeout, strikethru, strikethrough, italic, InstalledFontCollection, installed fonts, VB.NET HowTo: Demonstrate the Graphics object's filling methods in VB .NET fill, filling, fill area, FillPath, FillPie, FillPolygon, FillRectangle, FillRectangles, FillClosedCurve, FillEllipse HowTo: Generate random colors in VB .NET color, random color, QBColor, FromArgb, VB.NET HowTo: Find the distance between a point and a line segment distance, point-to-line, line-to-line, point, line HowTo: Determine whether two line segments intersect line segment, line, intersect HowTo: See if the user clicked on a Line control distance, point-to-line, line-to-line, point, line, Line control, click HowTo: Draw a continuous graph that starts and stops in VB .NET VB .NET, graph, graphing HowTo: Draw a continuous graph in a separate thread in VB .NET VB .NET, graph, graphing, thread, threading HowTo: Make a form that appears semi-transparent semi-transparent, translucent, form HowTo: Make a transparent analog clock click, SetWindowRgn, transparent, analog HowTo: Display weekly database data with the calendar control calendar, weekly, database HowTo: Hide and then grab the desktop image after a delay desktop image, background, delay HowTo: Load resources from another Assembly in VB .NET resources, Assembly, VB .NET HowTo: Play an audio file with the Media Player control in VB .NET audio, Media Player, Media Player control, VB .NET, multimedia HowTo: Make a button quiver frantically button, quiver, move Bug: Trouble with WinXP SP2 WinXP, SP2, Windows XP   HowTo: Stretch a PictureBox image to fit the control stretch, image, resize HowTo: Display a child form over a topmost parent form stretch, image, resize HowTo: Create and invoke a stored procedure in an Access database stored procedure, Access, database, HowTo: Use an array of StdPicture objects to hold images without using a control StdPicture, picture, image HowTo: Use a status bar StatusBar, status bar, Panel, Panels HowTo: Convert text to proper case using StrConv StrConv, proper case HowTo: Draw lines that are filled with a hatch pattern in VB .NET Brush, Pen, HatchBrush, drawing, DrawHatchLine HowTo: Use a LinearGradientBrush with and without gamma correction in VB .NET LinearGradientBrush, GammaCorrection, gamma correction, color, drawing, blend HowTo: Draw lines on top of a gradient Brush in VB .NET Brush, Pen, PathGradientBrush HowTo: Make a LinearGradientBrush that blends three colors in VB .NET LinearGradientBrush, ColorBlend, color, drawing, blend HowTo: Draw lines with standard start and end caps in VB .NET line caps, start cap, end cap, StartCap, EndCap HowTo: Draw lines with custom start and end caps in VB .NET line caps, start cap, end cap, StartCap, EndCap HowTo: Draw lines that lie along a color gradient in VB .NET Brush, Pen, LinearGradientBrush, color, blend, drawing, DrawGradientLine Talk: VSA Scripting in .NET VSA, Visual Studio for Applications   HowTo: Encrypt and decrypt a file using a DES algorithm in VB .NET NetBIOS, name, NetBIOS name, computer name, host name HowTo: Get the computer's DNS name in VB .NET DNS, name, computer name, host name HowTo: Get the computer's NetBIOS name in VB .NET NetBIOS, name, NetBIOS name, computer name, host name HowTo: Display a picture at different scales by using PaintPicture resize, PaintPicture, bitmap, scale HowTo: Count the records in a Recordset two ways and compare their speeds records, count records, ADO HowTo: Set formatting for a RichTextBox control all at once RTF, Rich Text format, RichTextBox, RichText HowTo: Display an optional tip of the day when a program starts totd, tip of the day, tip-of-the-day HowTo: Make a strange reflection of a button button, strange, stupid code trick HowTo: Print a rounded rectangle rounded rectangle, print, RoundRect HowTo: Draw a rounded rectangle rounded rectangle, RoundRect HowTo: See how many items are in the recycle bin and delete them recycle bin, wastebasket, waste basket HowTo: Sort an array using custom sorting orders in VB .NET sort, compare, comparer, IComparer, sort order, order HowTo: Get the operating system version in VB .NET OS, OS version, operating system, operating system version HowTo: Let the user name a form to display form, display, InputBox, show form VB 6 Easter Egg VB 6 Easter Egg, VB 6, Easter Egg   HowTo: Set another application's caption caption, title, SendMessage, application title HowTo: Find a Visual Basic 6 "Easter Egg" Visual Basic 6, VB6, Easter Egg HowTo: Determine how many records were inserted by an INSERT ... SELECT statement ADO, data, database, Access, INSERT, INSERT SELECT, SELECT, records, INSERT INTO ... SELECT HowTo: Restrict a form's minimum and maximum width and height file times, last access time, file creation time, lastmodified time HowTo: Use a custom mouse icon at run time mouse icon, mouse pointer, pointer, MousePointer HowTo: Let the user select an irregular area and copy it to the clipboard select, area, polygon, irregular area, clipboard Books: Other Visual Basic Books books, Visual Basic books, Visual Basic, serial communications, API, database, SQL Server, objects, object-oriented programming, animation, multimedia, object-oriented development, client/server programming, multi-tier, three-tier, Visual InterDev, VBScript, user interface design, application design, tips, tricks HowTo: Read ID3 Tags in mp3 files MP3, ID3, tags HowTo: Print an Excel worksheet displayed in an OLE container object OLE, print, Excel, OLE container HowTo: Process files dragged onto a form OLE, drag and drop, drop HowTo: Read all of the values in an INI file INI file, INI, initialization file HowTo: Grab the desktop image after a delay desktop image, background, delay HowTo: Grab the desktop image after a delay in VB .NET desktop image, background, VB.NET HowTo: Sort an array with the mergesort algorithm mergesort, sort, array, CopyMemory, RtlMoveMemory, MoveMemory HowTo: Grab the desktop image in VB .NET desktop image, background, VB.NET HowTo: Print a form's decorated image in VB.NET print screen, screen capture, form image, print form image HowTo: Save a form's decorated image into a bitmap file in VB.NET print screen, screen capture, form image, save form image HowTo: Make a property page for an ActiveX control ActiveX control, ActiveX, property page HowTo: Make a RichTextBox print WYSIWYG text RTF, rich text, rich text box, RichTextBox, WYSIWYG, print, printing HowTo: Combine the contents of two RichTextBoxes, preserving their formatting RTF, rich text, rich text box, RichTextBox, combine, join HowTo: Separate an RTF file into paragraphs in separate Rich Text Box controls RTF, rich text, rich text box, RichTextBox, paragraphs HowTo: Display a progress bar inside a status bar on an MDI form ProgressBar, progress bar, StatusBar, status bar, MDI HowTo: Find the user's profile path profile path, GetUserName, GetWindowsDirectory HowTo: Save or print a form's image with or without decoration in VB .NET print screen, screen capture, form image, print form image, save form image