Escape键关闭面板c# winforms
本文关键字:winforms Escape | 更新日期: 2023-09-27 18:03:07
如何在按escape
键时关闭/隐藏panel
?
我在面板中搜索keydown
事件,但不存在。
面板控件无法聚焦,因此无法处理按下键事件。尝试处理父控制的按键事件或更广泛地覆盖ProcessCmdKey
方法:
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
// your logic here. For example:
switch (keyData)
{
case Keys.Escape:
//do something
break;
}
return base.ProcessCmdKey(ref msg, keyData);
}
处理Control KeyPress/KeyDown事件:
(Control)thePanel.KeyPress += new KeyPressEventHandler(ThePanel_KeyPress);
public void ThePanel_KeyPress(Object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Escape) ... // Do something
}