1         /// <summary>  
 2         /// 重写键盘处理事件，处理退出和回车按钮
 3         /// </summary>  
 4         protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
 5         {
 6             switch (keyData)
 7             {
 8                 // 保存并退出  
 9                 case Keys.Escape://ESC  
10                     BtnOK_Click(null, null);
11                     break;
12              
13                 case Keys.Enter:
14                     BtnCancel_Click(null, null);
15                     break;
16             }
17             return base.ProcessCmdKey(ref msg, keyData);
18         }