using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Drawing.Imaging;

using System.Net;

using System.Net.Sockets;

using System.IO;

 

namespace lab

{

    public partial class Form1 : Form

    {

        private static Bitmap bmpScreenshot;

        private static Graphics gfxScreenshot;

        Socket s;

        

        EndPoint remep;

        byte[] buffer;

        public Form1()

        {

            InitializeComponent();

            s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

            s.Bind(new IPEndPoint(IPAddress.Parse("0.0.0.0"), 5000));

            

            remep = new IPEndPoint(IPAddress.Any, 6000);

            while(true)

            {

                buffer = new byte[100];

                

                s.ReceiveFrom(buffer, ref remep);

                string str = Encoding.ASCII.GetString(buffer, 0, buffer.Length);

                if(str.TrimEnd('{text}') =="send_to_me")

                {

                MemoryStream ms = new MemoryStream();

ScreenShot().Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);

byte[] result = ms.ToArray();

s.SendBufferSize = 100000000;

s.ReceiveBufferSize = 100000000;

s.SendTo(result, remep);

                }

            }

        }

        Bitmap ScreenShot()

        {

            bmpScreenshot = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, PixelFormat.Format32bppArgb);

            // Create a graphics object from the bitmap

            gfxScreenshot = Graphics.FromImage(bmpScreenshot);

            // Take the screenshot from the upper left corner to the right bottom corner

            gfxScreenshot.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, new Size(Screen.PrimaryScreen.Bounds.Size.Width/1,Screen.PrimaryScreen.Bounds.Size.Height/1) , CopyPixelOperation.SourceCopy);

            // Save the screenshot to the specified path that the user has chosen

            return bmpScreenshot;

        }

    }

}

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;

using System.Net.Sockets;

using System.Net;

using System.IO;

 

namespace cleint

{

    public partial class Form1 : Form

    {

        private static Bitmap bmpScreenshot;

        Socket s;

        EndPoint remep;

        byte[] buffer;

        public Form1()

        {

            InitializeComponent();

            s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

            

            remep = new IPEndPoint(IPAddress.Any, 7000);

            buffer = new byte[100000000];

        }

 

        private void button1_Click(object sender, EventArgs e)

        {

            

            s.SendTo(Encoding.ASCII.GetBytes("send_to_me"), new IPEndPoint(IPAddress.Parse(textBox1.Text),5000));

            s.ReceiveBufferSize = 100000000;

            s.SendBufferSize = 100000000[CODE=C#]

            s.ReceiveFrom(buffer, ref remep);

            Bitmap bt = new Bitmap(new MemoryStream(buffer));

            this.CreateGraphics().DrawImage(bt, 0, 0);

            

        }

    }

}