button事件驱动

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace MyFirstApp

{

public partial class FrmMain : Form

{

public FrmMain()

{

InitializeComponent();

this.button1.Click += new EventHandler(btn_Click);

this.button2.Click += new EventHandler(btn_Click);

this.button3.Click += new EventHandler(btn_Click);

}

private void btn_Click(object sender, EventArgs e)

{

Button btn = (Button)sender;

MessageBox.Show(btn.Text);

}