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C#TextBoxCtrl+A全选

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Release： 2016-07-06 13:30:26
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在TextBox控件中使用快捷键，一般要求按下快捷键立刻产生效果，KeyUp事件显然不符合我们的要求，而KeyPRess事件中不支持使用组合件，所以我们选用KeyDown事件，具体代码实现如下： private void tBBefore_KeyDown( object sender, KeyEventArgs e){ if (e.Co

在TextBox控件中使用快捷键，一般要求按下快捷键立刻产生效果，KeyUp事件显然不符合我们的要求，而KeyPRess事件中不支持使用组合件，所以我们选用KeyDown事件，具体代码实现如下：

private void tBBefore_KeyDown(object sender, KeyEventArgs e)
{
    if (e.Control && e.KeyCode == Keys.A)
    {
        ((TextBox)sender).SelectAll();
    }
}
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