form1.cs

这是.net2005学习不可缺少的教程

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace caidan
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void tuichuToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void hongseToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.BackColor = Color.Red;
        }

        private void huangseToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.BackColor = Color.Yellow;
        }

        private void lanseToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.BackColor = Color.Blue;
        }

        private void guanyuToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("菜单练习程序");
        }
    }
}