public Form3()
{
InitializeComponent();
button1.Click +=new EventHandler(button_Click);
button2.Click +=new EventHandler(button_Click);
}
private void button_Click(object sender, EventArgs e)
{
Button btn = sender as Button;
MessageBox.Show(btn.Text+ " 点击了一下");
}
参考：http://bbs.csdn.net/topics/391960505