如何启动.exe文件？
System.Diagnostics.Process.Start("iexplore.exe","http://www.sina.com.cn");
System.Diagnostics.Process.Start();
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获得桌面路径:
Environment.GetFolderPath(Environment.SpecialFolder.Desktop).ToString
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获得系统盘符:
System.Environment.GetEnvironmentVariable("SystemDrive")
得到屏幕分辨率：
System.Windows.Forms.Screen.PrimaryScreen.Bounds
