C# 截屏函数

         截屏函数:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
//lxw0109
using System.Drawing;


namespace WindowsFormsApplication1
{
    static class Program
    {
        [STAThread]
        static void Main()
        {
            //下面三行不用管
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());

            //调用截屏函数
            func();
        }
        public static void func()   //截屏函数
        {
            int width = Screen.PrimaryScreen.Bounds.Width;
            int height = Screen.PrimaryScreen.Bounds.Height;
            Bitmap btm = new Bitmap(width, height);
            using (Graphics g = Graphics.FromImage(btm))
            {
                g.CopyFromScreen(0, 0, 0, 0, Screen.AllScreens[0].Bounds.Size);
                g.Dispose();
                string save = "F:\" + DateTime.Now.ToString("yyyymmddhhmmssmmmm") + ".jpg";
                btm.Save(save);
            }
        }
    }
}