Özel klasörlere için yolu bulabilmek. "Environment.SpecialFolder"

Uygulama geliştirirken özel klasörler 'Special Folder' dediğimiz 'Desktop, ApplicationData, Startup, Favorites, ApplicationData, System, ProgramFiles, Favorites' gibi klasörlerde çalışmak gerekekiliyor.

string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);

Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);

Environment.GetFolderPath(Environment.SpecialFolder.System);

Environment.GetFolderPath(Environment.SpecialFolder.Startup);

Environment.GetFolderPath(Environment.SpecialFolder.Programs);

Environment.GetFolderPath(Environment.SpecialFolder.Templates);

Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);

Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);

Kaynak :  
http://msdn.microsoft.com/tr-tr/library/system.environment.specialfolder%28v=VS.90%29.aspx