C#屏幕截图的实现,可以实现截取任意大小的屏幕并双击存取到磁盘。

C#屏幕截图的实现
[日期：01-03] [字体：大 中 小]  

先给你的程序添加一个Windows窗体 ，Name:ScreenBody   TopMost:true    WindowState:Maximized

下面是一些字段定义，事件函数和辅助函数：

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

namespace LCY.XY
{
    public partial class ScreenBody : Form
    {
        /// <summary>
        /// 主画笔
        /// </summary>
        private Graphics mainPainter;
        /// <summary>
        /// 笔
        /// </summary>
        private Pen pen;
        /// <summary>
        /// 判断鼠标是否按下
        /// </summary>

        private bool isDowned;
        /// <summary>
        /// 矩形是否绘制完成
        /// </summary>
        private bool rectReady;
        /// <summary>
        /// 原始画面
        /// </summary>
        private Image baseImage;
        /// <summary>
        /// 要保存的画面
        /// </summary>
        private Rectangle rect;
        /// <summary>
        /// 鼠标按下的点
        /// </summary>
        private Point downPoint;
        private int tmpx;
        private int tmpy;

        public ScreenBody()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 截图
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>