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Use a tristate CheckBox to let the user select all or none of a group of other CheckBoxes in C#

Posted by Rod Stephens at 4/12/2011 6:24 AM | Add Comment

Use a tristate CheckBox in C#

Posted by Rod Stephens at 4/11/2011 3:02 PM | Add Comment

Draw a recursive overlapping snowflake fractal curve in C#

Posted by Rod Stephens at 4/10/2011 6:27 AM | Add Comment

Draw a recursive von Koch snowflake fractal curve in C#

Posted by Rod Stephens at 4/9/2011 8:50 AM | Add Comment

Draw a recursive snowflake fractal curve in C#

Posted by Rod Stephens at 4/8/2011 9:51 AM | Add Comment

Select a printer resolution such as Draft or High in C#

Posted by Rod Stephens at 4/7/2011 1:17 PM | Add Comment

Let the user select a printer and then send a printout directly to it in C#

Posted by Rod Stephens at 4/6/2011 6:53 AM | Add Comment

Send a printout directly to a specific printer in C#

Posted by Rod Stephens at 4/5/2011 6:46 AM | Add Comment

Langton's Ant contest winners

Posted by Rod Stephens at 4/1/2011 9:20 AM | Add Comment

Display Pascal's triangle in C#

Posted by Rod Stephens at 3/31/2011 6:38 AM | Add Comment

Print in landscape orientation and adjust a printout's margins in C#

Posted by Rod Stephens at 3/30/2011 7:06 AM | Add Comment

Make an application show appropriate icons on its forms, Task Manager, Windows Explorer, and other places in C#

Posted by Rod Stephens at 3/29/2011 6:25 PM | View Comments (2) | Add Comment

Extract comments from a C# file in C#

Posted by Rod Stephens at 3/19/2011 9:04 AM | Add Comment

Make string extensions to URL encode and decode strings in C#

Posted by Rod Stephens at 3/18/2011 3:58 PM | Add Comment

Draw a simple histogram in C#

Posted by Rod Stephens at 3/16/2011 6:45 AM | Add Comment

Use a ColorMatrix to add a watermark to an image in C#

Posted by Rod Stephens at 3/15/2011 6:52 AM | Add Comment

Add a watermark to an image in C#

Posted by Rod Stephens at 3/14/2011 6:02 PM | Add Comment

Draw a color wheel in C#

Posted by Rod Stephens at 3/9/2011 10:34 AM | Add Comment

Use a notify icon to let the user capture some or all of the screen image in C#

Posted by Rod Stephens at 3/7/2011 5:45 PM | Add Comment

Read and write text in text files in C#

Posted by Rod Stephens at 3/5/2011 6:11 AM | Add Comment

Display the predefined system icons in C#

Posted by Rod Stephens at 3/4/2011 7:57 AM | Add Comment

Add UAC shields to buttons, menu items, and picture boxes in C#

Posted by Rod Stephens at 3/3/2011 6:04 AM | Add Comment

Convert enum values to and from strings in C#

Posted by Rod Stephens at 3/2/2011 6:38 AM | Add Comment

Let the user move a form that doesn't have a title bar in C#

Posted by Rod Stephens at 3/1/2011 6:43 AM | Add Comment

List characters that are illegal in file and path names in C#

Posted by Rod Stephens at 2/28/2011 1:24 PM | Add Comment

Use LINQ's Min, Max, and Average extension methods to get the minimum, maximum, and average values in an array in C#

Posted by Rod Stephens at 2/27/2011 6:29 AM | Add Comment

Contest: Langton's Ant Simulation

Posted by Rod Stephens at 2/26/2011 6:41 AM | View Comments (4) | Add Comment

Use combo boxes and text boxes to let the user pick search criteria for a database query in C#

Posted by Rod Stephens at 2/24/2011 6:43 AM | View Comments (1) | Add Comment

Bind a DataGridView control to a DataSet holding multiple tables at runtime in C#

Posted by Rod Stephens at 2/23/2011 6:39 AM | Add Comment

Use animation to show how the recursive solution to the Tower of Hanoi problem works in C#

Posted by Rod Stephens at 2/22/2011 8:29 AM | Add Comment

Use Stacks to recursively solve the Tower of Hanoi problem in C#

Posted by Rod Stephens at 2/21/2011 6:42 PM | Add Comment

Use transformations to draw an animated atom in C#

Posted by Rod Stephens at 2/19/2011 10:32 AM | Add Comment

Use a sprite class to animate a control's motion in C#

Posted by Rod Stephens at 2/15/2011 8:02 AM | Add Comment

Use the conditional (ternary) ?: operator in C#

Posted by Rod Stephens at 2/8/2011 6:52 AM | Add Comment

Declare and initialize empty arrays in C#

Posted by Rod Stephens at 2/7/2011 7:22 AM | Add Comment

Update ComboBox choices when the user enters a new choice in C#

Posted by Rod Stephens at 2/4/2011 5:31 PM | Add Comment

Display a continuously updating graph of stock prices taken from the internet in C#

Posted by Rod Stephens at 2/3/2011 4:39 PM | Add Comment

Use a simple sprite class to animate several bouncing balls in C#

Posted by Rod Stephens at 2/2/2011 10:42 PM | Add Comment

Animate several bouncing balls in C#

Posted by Rod Stephens at 2/1/2011 3:17 PM | Add Comment

Let the user move a form that doesn't have a title bar in C#

Posted by Rod Stephens at 2/1/2011 6:17 AM | Add Comment

Compare two images to find differences in C#

Posted by Rod Stephens at 1/31/2011 3:32 PM | Add Comment

Use a loop to load pictures into PictureBoxes in C#

Posted by Rod Stephens at 1/30/2011 8:15 PM | Add Comment

Make a kaleidoscope program in C#

Posted by Rod Stephens at 1/29/2011 6:52 PM | Add Comment

Pixelate areas on an image in C#

Posted by Rod Stephens at 1/28/2011 3:18 PM | Add Comment

Make a map that shows a circular closeup of the part under the mouse in C#

Posted by Rod Stephens at 1/27/2011 7:30 AM | Add Comment

Use WMI to get lots of information about the operating system in C#

Posted by Rod Stephens at 1/26/2011 6:27 AM | Add Comment

Move files and directories into the recycle bin (wastebasket), see how many items are in the recycle bin, and empty the recycle bin in C#

Posted by Rod Stephens at 1/25/2011 4:39 PM | Add Comment

Make a scribble application that lets the user zoom in or out on the picture in C#

Posted by Rod Stephens at 1/24/2011 4:38 PM | Add Comment

Let the user zoom and scroll a picture drawn by the program in C#

Posted by Rod Stephens at 1/23/2011 4:59 PM | Add Comment

Plot a simple heart-shaped function in C#

Posted by Rod Stephens at 1/21/2011 8:27 AM | Add Comment

Make a web page containing a table of thumbnails to display the images in a directory in C#

Posted by Rod Stephens at 1/20/2011 8:24 AM | Add Comment

Make thumbnails and a web page to display the images in a directory in C#

Posted by Rod Stephens at 1/19/2011 6:53 PM | Add Comment

Search for files that match multiple patterns in C#

Posted by Rod Stephens at 1/18/2011 12:39 PM | Add Comment

Find Egyptian fractions in C#

Posted by Rod Stephens at 1/17/2011 6:53 AM | Add Comment

Make a Fraction class in C#

Posted by Rod Stephens at 1/16/2011 8:23 AM | Add Comment

Use a label setting algorithm to find shortest paths through a network in C#

Posted by Rod Stephens at 1/14/2011 4:38 PM | Add Comment

Make and use an array of controls in C#

Posted by Rod Stephens at 1/13/2011 4:50 PM | Add Comment

Get and set file creation, modification, and access times in C#

Posted by Rod Stephens at 1/12/2011 8:09 AM | Add Comment

Prevent Visual Studio from running old versions of a program with syntax errors

Posted by Rod Stephens at 1/10/2011 6:08 AM | Add Comment

Make a Visual Studio toolbar button that opens a web site or sends email

Posted by Rod Stephens at 1/9/2011 6:49 AM | Add Comment

Add a tool to Visual Studio that opens a web site or sends email

Posted by Rod Stephens at 1/8/2011 6:45 AM | Add Comment

Display line numbers in the Visual Studio code editor

Posted by Rod Stephens at 1/7/2011 3:35 PM | Add Comment

Rotate a drawing around a point other than the origin in C#

Posted by Rod Stephens at 1/5/2011 8:49 AM | Add Comment

Make an infinitely cascading series of menu items in C#

Posted by Rod Stephens at 1/4/2011 6:30 AM | Add Comment

Create menu items at run time with images, shortcut keys, and event handlers in C#

Posted by Rod Stephens at 1/3/2011 8:55 AM | Add Comment

Initialize an array of integers with a range of values or a repeated value in C#

Posted by Rod Stephens at 1/2/2011 6:31 AM | Add Comment

Let the user draw rubber band ellipses (or other shapes) in C#

Posted by Rod Stephens at 1/1/2011 6:11 AM | Add Comment

Let the user move the center point of elliptical gradient in C#

Posted by Rod Stephens at 12/31/2010 6:08 AM | Add Comment

Fill an area with an elliptical gradient in C#

Posted by Rod Stephens at 12/30/2010 9:36 AM | Add Comment

Use the "is" operator to see if an object can be converted into another type in C#

Posted by Rod Stephens at 12/29/2010 8:30 AM | Add Comment

Make a countdown timer that displays the number of days, minutes, hours, and seconds until an event in C#

Posted by Rod Stephens at 12/27/2010 3:46 PM | Add Comment

Set tab stops in a RichTextBox control in C#

Posted by Rod Stephens at 12/26/2010 2:00 PM | Add Comment

Format pieces of text in a RichTextBox in C#

Posted by Rod Stephens at 12/25/2010 10:34 PM | Add Comment

Make a BoundsArray class that lets you easily make arrays with non-zero lower bounds in C#

Posted by Rod Stephens at 12/24/2010 10:52 AM | Add Comment

Make a default indexer property for a class in C#

Posted by Rod Stephens at 12/23/2010 7:32 AM | Add Comment

Make arrays with non-zero lower bounds in C#

Posted by Rod Stephens at 12/22/2010 9:23 PM | Add Comment

Use Array.Copy to copy arrays quickly in C#

Posted by Rod Stephens at 12/21/2010 8:18 PM | Add Comment

Draw a variety of fractal strange attractors in C#

Posted by Rod Stephens at 12/20/2010 10:32 AM | Add Comment

Draw "stars" inside polygons in C#

Posted by Rod Stephens at 12/19/2010 3:17 PM | Add Comment

Make a label's font as big as possible while still allowing its text to fit in C#

Posted by Rod Stephens at 12/18/2010 9:26 AM | Add Comment

Use XML serialization to save and restore pictures drawn by the user in C#

Posted by Rod Stephens at 12/17/2010 5:20 PM | View Comments (2) | Add Comment

Display an end user license agreement the first time the user runs a program in C#

Posted by Rod Stephens at 12/16/2010 9:45 AM | Add Comment

Easily remove all non-digit or non-letter characters from a string in C#

Posted by Rod Stephens at 12/15/2010 4:11 PM | Add Comment

Make an enhanced scribble application that lets the user draw in different colors, line thicknesses, and line styles in C#

Posted by Rod Stephens at 12/14/2010 10:56 AM | Add Comment

Let the user draw curves and scribble on a PictureBox in C#

Posted by Rod Stephens at 12/13/2010 1:28 PM | Add Comment

Use steganography to hide encrypted messages in an image in C#

Posted by Rod Stephens at 12/12/2010 6:28 AM | Add Comment

Make a Set class that inherits from HashSet and that support operators such as union and intersection in C#

Posted by Rod Stephens at 12/11/2010 6:06 AM | Add Comment

Use the HashSet class to represent sets and perform set operations in C#

Posted by Rod Stephens at 12/10/2010 4:04 PM | Add Comment

Draw text with each character in a random color in C#

Posted by Rod Stephens at 12/9/2010 6:45 AM | Add Comment

Use MeasureCharacterRanges to see where the parts of a string will be drawn in C#

Posted by Rod Stephens at 12/8/2010 6:08 AM | Add Comment

Make a bouncing ball animation in C#

Posted by Rod Stephens at 12/7/2010 6:13 AM | Add Comment

Play an audio resource in C#

Posted by Rod Stephens at 12/6/2010 12:55 PM | Add Comment

Challenge: Write a program that can display its own code in C#

Posted by Rod Stephens at 12/4/2010 8:05 AM | View Comments (3) | Add Comment

Drag and drop to move or copy text while providing feedback in C#

Posted by Rod Stephens at 12/3/2010 10:26 AM | Add Comment

Drag and drop images in C#

Posted by Rod Stephens at 12/2/2010 9:00 AM | View Comments (2) | Add Comment

Drag and drop text in C#

Posted by Rod Stephens at 12/1/2010 11:19 AM | View Comments (1) | Add Comment

Find the number of years, months, days, hours, minutes, and seconds between two dates in C#

Posted by Rod Stephens at 11/30/2010 7:59 AM | Add Comment

Use a TimeSpan to find the number of days, hours, minutes, or seconds between two dates in C#

Posted by Rod Stephens at 11/29/2010 1:19 PM | Add Comment

Use TryParse to parse values entered by the user in C#

Posted by Rod Stephens at 11/28/2010 6:46 AM | Add Comment

Fill a polygon with a PathGradientBrush in C#

Posted by Rod Stephens at 11/27/2010 9:21 AM | View Comments (2) | Add Comment
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Recent Posts

  1. Use a tristate CheckBox to let the user select all or none of a group of other CheckBoxes in C#
    Tuesday, April 12, 2011
  2. Use a tristate CheckBox in C#
    Monday, April 11, 2011
  3. Draw a recursive overlapping snowflake fractal curve in C#
    Sunday, April 10, 2011
  4. Draw a recursive von Koch snowflake fractal curve in C#
    Saturday, April 09, 2011
  5. Draw a recursive snowflake fractal curve in C#
    Friday, April 08, 2011
  6. Select a printer resolution such as Draft or High in C#
    Thursday, April 07, 2011
  7. Let the user select a printer and then send a printout directly to it in C#
    Wednesday, April 06, 2011
  8. Send a printout directly to a specific printer in C#
    Tuesday, April 05, 2011
  9. Langton's Ant contest winners
    Friday, April 01, 2011
  10. Display Pascal's triangle in C#
    Thursday, March 31, 2011

Recent Comments

  1. Rod Stephens on Use an event handler for multiple controls in C#
    4/8/2011
  2. Anonymous on Use an event handler for multiple controls in C#
    4/8/2011
  3. Rod Stephens on Make an application show appropriate icons on its forms, Task Manager, Windows Explorer, and other places in C#
    3/31/2011
  4. Richard Moss on Make an application show appropriate icons on its forms, Task Manager, Windows Explorer, and other places in C#
    3/30/2011
  5. Rod Stephens on Drag and drop images in C#
    3/29/2011
  6. roberto paula on Recursively draw a binary tree in C#
    3/28/2011
  7. JOHN DOE on Convert between decimal, hexadecimal, octal, and binary in C#
    3/25/2011
  8. Juan Carlos on Drag and drop images in C#
    3/21/2011
  9. Rod Stephens on Contest: Langton's Ant Simulation
    3/17/2011
  10. OperatorX on Contest: Langton's Ant Simulation
    3/16/2011
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