using System.Windows.Forms;
　　获取屏幕分辨率
　　int SH = Screen.PrimaryScreen.Bounds.Height;
　　int SW = Screen.PrimaryScreen.Bounds.Width;
　　获取窗口居中Top和Left
　　int thisH=100;
　　int thisW=200;
　　int SH = (Screen.PrimaryScreen.Bounds.Height - 30 - thisH) / 2;
　　int SW = (Screen.PrimaryScreen.Bounds.Width - 10 - thisW) / 2;