When I see the application which developed by other people are so cool ,while I can not achieve.Who can tell me how to make the application more cool.:) No begin no end.

I do not know how to invoke windows API in C# ,who can help me.:) No begin no end.

Something Added. If you run a application based on .Net Framework 2.0 ,but there is only 1.0 or 1.1,the application will not run ,too.The .Net Framework 2.0 is required.:) No begin no end.