A simple window capture software, it is quite simple to understand so I don't feel there's a need for a tutorial. All it does is take a screenshot of an active window to a Bitmap (similar to Alt+Print Screen) and displays it in a PictureBox, I guess the only interesting function is CreateBitmap().
Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.
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FOR YOUR OWN SAFETY, PLEASE:
1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.