C#实现按键弹出查询窗口

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.F2)
{
this.OnKeyPress(new KeyPressEventArgs(‘r‘));
return true;
}
else
return base.ProcessCmdKey(ref msg, keyData);
}

原文：https://www.cnblogs.com/Evan-fanfan/p/9286464.html