form1.cs

条形码得使用

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

namespace CopyScreen
{
    public partial class Form1 : Form
    {
        public Bitmap bmp = new Bitmap(Screen.AllScreens[0].Bounds.Width, Screen.AllScreens[0].Bounds.Height);
        public Form1()
        {
            InitializeComponent();
        }

        private void btnCopyScreen_Click(object sender, EventArgs e)
        {
            Graphics g = Graphics.FromImage(bmp);
            g.CopyFromScreen(0, 0, 0, 0, new Size(Screen.AllScreens[0].Bounds.Width, Screen.AllScreens[0].Bounds.Height));

            frmScreen f = new frmScreen(bmp);
            f.Show();
        }
    }
}