WinForm当前窗口抓图

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

        private void button1_Click(object sender, EventArgs e)
        {
            //当前窗口宽度
            int iWidth = this.Width;
            //当前窗口高度
            int iHeight = this.Height;
            //截取主屏幕
            Screen scrPrimary = Screen.PrimaryScreen;
            //创建一个和屏幕一样大的Bitmap
            Image myImage = new Bitmap(iWidth, iHeight);
            //从一个继承自Image类的对象中创建Graphics对象
            Graphics graphi = Graphics.FromImage(myImage);
            //抓屏并拷贝到myimage里
            graphi.CopyFromScreen(new Point(this.Location.X,this.Location.Y), new Point(0, 0), new Size(iWidth, iHeight));
            //保存并存储文件
            myImage.Save(@"c:/1.jpeg");
        }
    }
}