c# winfrom 全屏显示，遮盖任务栏，解决闪屏问题

 // 防止闪屏
 protected override CreateParams CreateParams
 {
     get
     {
         CreateParams cp = base.CreateParams;
         cp.ExStyle |= 0x02000000;
         return cp;
     }

 }
 //全屏，遮住任务栏
   this.FormBorderStyle = FormBorderStyle.None;  this.WindowState = FormWindowState.Maximized;