Hi everybody,
this is my first post on Arduino.cc forum and I'm very excited about Arduino since I've started building and programming. The video below show the Arduino working with C# and I'm providing the codes with comments too.
Sorry about the poor english. :-[
Youtube Video: Arduino and C# - YouTube
Download codes at: http://www.4shared.com/rar/grGIcmETba/ARDUINO_C__codes_.html
Hope it helps someone!