keyup事件的e
private void Form1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
if ((e.KeyCode == Keys.F1)
}
e代表的是按下的按钮,而不是弹起的按钮
private void Form1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
if ((e.KeyCode == Keys.F1)
}
e代表的是按下的按钮,而不是弹起的按钮