using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Windows;
using System.IO;
using System.Windows.Forms;

namespace CScreen
{
    public class PrintUserScreen
    {
        /// <summary>
        /// C#擷取螢幕並儲存為圖片
        /// </summary>
        public Image getScreen()
        {
            Image myImage = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
            Graphics g = Graphics.FromImage(myImage);

            g.CopyFromScreen(new Point(0, 0), new Point(0, 0), new Size(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height));
            IntPtr dc1 = g.GetHdc();
            g.ReleaseHdc(dc1);
            //String path = "d:\\image\\";
           // if (!Directory.Exists(path)) Directory.CreateDirectory(path);
            Random objRand = new Random();
            String pic_name = DateTime.Now.ToString("yyyyMMddHHmmssffff") + ".jpg";
            //string allpathname = path + pic_name;
            //myImage.Save(allpathname);
            return myImage;

        }
        //將圖片轉換為二進位制流的方法
        public byte[] ScreenStream(Bitmap bm)
        {
            System.IO.MemoryStream s = new System.IO.MemoryStream();

            bm.Save(s, System.Drawing.Imaging.ImageFormat.Jpeg);

            byte[] Data = s.ToArray();
            s.Close();
            s.Dispose();
            return Data;
        }


    }
}