Winform窗体屏蔽Alt+F4强制关闭

 1 /// <summary>
 2         /// 窗体屏蔽 ALT+F4组合键强制关闭
 3         /// </summary>
 4         protected override CreateParams CreateParams
 5         {
 6             get
 7             {
 8                 const int CS_NOCLOSE = 0x200; 
 9                 CreateParams cp = base.CreateParams; 
10                 cp.ClassStyle = cp.ClassStyle | CS_NOCLOSE; 
11                 return cp;
12             }
13         }