Monthly Archives: May 2018

Puzzle: Find the squares in C#

Posted on May 31, 2018 by Rod Stephens

The example Puzzle: Find the equilateral triangles in C# was fun, at least for me, so here’s another puzzle. This time your goal is find all of the squares that you can make using the red dots shown here. If … Continue reading →

Posted in algorithms, games, graphics, mathematics | Tagged , , , , , , , , , , , | 1 Comment

Save WriteableBitmap images in multiple formats in WPF and C#

Posted on May 30, 2018 by RodStephens

The post Easily save a WriteableBitmap in WPF and C# describes an extension method that makes it easy to save a WriteableBitmap object into a PNG file, but what if you want to save the image in some other format … Continue reading →

Posted in extension methods, graphics, image processing, wpf, XAML | Tagged , , , , , , , , , , , , , , , , , | 1 Comment

Easily save a WriteableBitmap in WPF and C#

Posted on May 29, 2018 by Rod Stephens

In my post Save bitmap files in WPF and C# I lamented (okay, whined about) the cumbersomeness of saving a WriteableBitmap into a file in WPF. Fortunately there’s a way you can make it easier. Simply add an extension method … Continue reading →

Posted in extension methods, graphics, image processing, wpf, XAML | Tagged , , , , , , , , , , , , , , , | 1 Comment

Easily manipulate pixels in WPF and C#

Posted on May 25, 2018 by Rod Stephens

After building the example Save bitmap files in WPF and C#, I couldn’t get it out of my head. Doing the math to set the correct bytes in a one-dimensional pixel array isn’t all that hard, but it is annoying … Continue reading →

Posted in graphics, image processing, wpf | Tagged , , , , , , , , , , , , , | 3 Comments

Display team names for a round robin tournament in C#

Posted on May 24, 2018 by RodStephens

The example Generate a schedule for a round robin tournament in C# explains how you can generate a schedule for a round robin tournament. This example simply adds the ability to display the schedule using the team names instead of … Continue reading →

Posted in algorithms, combinatorics, mathematics | Tagged , , , , , , , , , , , | Leave a comment

Save bitmap files in WPF and C#

Posted on May 23, 2018 by Rod Stephens

This example shows how to use WPF and C# to save bitmap files. The example Set the pixels in a WPF bitmap in C# shows how to create a WriteableBitmap in WPF. This example shows how to save the resulting … Continue reading →

Posted in files, graphics, image processing | Tagged , , , , , , , , , , , , , , , | 3 Comments

Draw different styles of “illuminated” text in C#

Posted on May 22, 2018 by Rod Stephens

My previous post Draw “illuminated” text in C# showed how to draw “illuminated” text. It drew each paragraph’s initial letter in a large font with a box around it. Real illuminated manuscripts typically make the initial letter much more elaborate. … Continue reading →

Posted in fonts, graphics, strings | Tagged , , , , , , , , , | 1 Comment

Draw “illuminated” text in C#

Posted on May 21, 2018 by Rod Stephens

This example lets you draw “illuminated text” where each paragraph begins with an oversized letter. In some illuminated manuscripts, the first letter of a paragraph is drawn in a larger font than the remaining text. This example does something similar. … Continue reading →

Posted in fonts, graphics, strings | Tagged , , , , , , , , , | 7 Comments

Merge directories in C#

Posted on May 17, 2018 by Rod Stephens

This example lets you merge directories. Once upon a time, if you used Windows Explorer to move a file from one directory to another and the destination directory already contained a file with that name, you had the option of … Continue reading →

Posted in directories, files, system, tools | Tagged , , , , , , , , , , , , , , | Leave a comment

Use a FileSystemWatcher to build a spooler in C#

Posted on May 16, 2018 by Rod Stephens

This example uses a FileSystemWatcher to implement a spooling program. SPOOL is an ancient computer acronym dating from the 1950s that stands for “Simultaneous Peripheral Operations On-Line.” It is a technique in which jobs are placed in a queue in … Continue reading →

Posted in controls, files | Tagged , , , , , , , , , , , , | 2 Comments