1, the universal virus repair tool written by C #, the code is simple, but the effect is not bad:
http://www.codeproject.com/UserItems/virus_fix_tool.asp
2, the web form generator written by C #:
http://www.codeproject.com/csharp/zahreportbuilder.asp
3,
C # written text / stream comparison engine, the effect is good, the speed is very fast: http://www.codeproject.com/csharp/diffengine.asp
4, process insertion example, I believe some friends will especially like: http://www.codeproject.com/UserItems/rmthread.asp5 ,vc WIW IE Mouse gesture support plugin: http://www.codeproject.com/atl/ MousegeSTures.asp6, C # written 3D mathematical computing engine, I believe some friends who want to develop games will like: http://www.codeproject.com/csharp/sharp3dmath.asp7 ,vc write enhanced netstat / packet filtering: http : //www.codeproject.com/UserItems/enetstatx.asp