c# winform如何屏蔽鍵盤上下左右鍵

 

重寫事件：

protected override bool ProcessDialogKey(Keys keyData)
{
if (keyData == Keys.Up || keyData == Keys.Down ||
keyData == Keys.Left || keyData == Keys.Right)
return false;
else
return base.ProcessDialogKey(keyData);
}