form1.cs

Visual C#2005程序设计教程

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

namespace WinApp10_10鼠标事件小游戏
{
    public partial class Form1 : Form
    {
        int num = 0;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label1.Image = Image.FromFile("FACE05.ICO");
            label2.Image = Image.FromFile("FACE05.ICO");
            label1.Visible = false;
        }

        private void label2_MouseEnter(object sender, EventArgs e)
        {
            if (num == 0)
            {
                label2.Visible = false;
                label1.Visible = true;
            }
            else
            {
                label2.Visible = true;
                label1.Visible = false;
                label2.Text = "恭喜你";
                label2.Image = Image.FromFile("FACE04.ICO");
            }
        }

        private void label1_MouseEnter(object sender, EventArgs e)
        {
            if (num == 0)
            {
                label1.Visible = false;
                label2.Visible = true;
            }
            else
            {
                label1.Visible = true;
                label2.Visible = false;
                label1.Text = "恭喜你";
                label1.Image = Image.FromFile("FACE04.ICO");
            }
        }

        private void Form1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right && e.Clicks == 2)
                num = 1;
            if (e.Button == MouseButtons.Left && e.Clicks == 2)
            {
                num = 0;
            label1.Image = Image.FromFile("FACE05.ICO");
            label2.Image = Image.FromFile("FACE05.ICO");
            label1.Visible = false;
            label2.Visible = true;
            }
        }

        private void Form1_DoubleClick(object sender, EventArgs e)
        {
            //num = 0;
        }
    }
}