基本信息

---

下载

   友情提示：（无需注册或充值，赞助后即可获取资源下载链接）

---

     嘿，亲！知识可是无价之宝呢，但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下，绝对物超所值哦！如有下载和支付问题，请联系我们QQ(微信同号)：78630559

本次赞助数额为： 2 元　

支付宝支付

微信支付

   源码介绍

---

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 鼠标缩放平移图像
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }



        /// <summary>
        /// 放大平移缩小图像操作类
        /// </summary>
        private MouseCtrl _mouseCtrl;


        private void Form1_Load(object sender, EventArgs e)
        {
            _mouseCtrl = new MouseCtrl(panel1, Point.Empty, panel1.ClientSize);
            _mouseCtrl.StartTranslate  = new EventHandler(_mouseCtrl_StartTranslate);
            _mouseCtrl.StopTranslate  = new EventHandler(_mouseCtrl_StopTranslate);
            _mouseCtrl.BackColor = Color.Black;
            _mouseCtrl.Refresh();
        }

        /// <summary>
        /// 停止平移事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void _mouseCtrl_StopTranslate(object sender, EventArgs e)
        {
            this.Cursor = Cursors.Default;          //恢复光标样式
        }

        /// <summary>
        /// 开始平移事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void _mouseCtrl_StartTranslate(object sender, EventArgs e)
        {
            this.Cursor = Cursors.Hand;         //变换光标样式
        }

        private void btnOpenImage_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                try
                {
                    using (Bitmap img = new Bitmap(openFileDialog1.FileName))
                    {
                        _mouseCtrl.SetBackImage(img);
                    }
                    _mouseCtrl.Refresh();
                }
                catch (Exception ex)
                {
                    MessageBox.Show("打开图像失败，失败原因："   ex);
                }

            }
        }
    }
}