//重写ProcessCmdKey的方法
protected override bool ProcessCmdKey(ref System.Windows.Forms.Message msg, System.Windows.Forms.Keys keyData)
{
int WM_KEYDOWN = 256;
int WM_SYSKEYDOWN = 260;
if (msg.Msg == WM_KEYDOWN | msg.Msg == WM_SYSKEYDOWN)
{
switch (keyData)
{
case Keys.Escape:
this.Close();//esc关闭窗体
break;
}
}
return false;
}