This is very simple application for data register out control with C#. When I interested control external electronical device I was looking such as application but I couldn’t find any working properly and I wrote it. This article is about controlling data registers of parallel port (LPT port) with C#.net 2.0 and using inpout32.dll/inpout32.lib out32 function.
http://blog.armanasci.com/
http://blog.armanasci.com/contact-me/