public Form1()

         {

             InitializeComponent();

             new Thread(() =>

             {

                 IPAddress ip = IPAddress.Parse(ip地址);

                 Int32 port = ;

                 TcpListener listen = new TcpListener(ip, port);

                 listen.Start();

                 TcpClient tc = listen.AcceptTcpClient();

                 NetworkStream ns = tc.GetStream();

                 StreamReader sr = new StreamReader(ns);

                 string result = sr.ReadToEnd();

                 Invoke(new MethodInvoker(delegate() { textBox1.Text = result; }));

                 sr.Close();

                 ns.Close();

                 tc .Close();

                 listen.Stop();

             }).Start();

         }

  public partial class Form1 : Form

     {

         public Form1()

         {

             InitializeComponent();

         }

         private void button1_Click(object sender, EventArgs e)

         {

             TcpClient client = new TcpClient(ip地址, Int32.Parse(端口号));

             NetworkStream ns = client.GetStream();

             FileStream fs = File.Open("Form1.cs", FileMode.Open);

             int data = fs.ReadByte();

             while(data!=-)

             {

                 ns.WriteByte((byte)data);

                 data = fs.ReadByte();

             }

             fs.Close();

             ns.Close();

             client.Close();

         }

     }

 static void Main(string[] args)

         {

             IPHostEntry ipHsot = Dns.Resolve(ip地址);

             IPAddress ipAddress = ipHsot.AddressList[];

             IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, );

             Console.WriteLine("Starting : Creating Socket object");

             Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

             s.Connect(ipEndPoint);

             Console.WriteLine("Successfully Connected to {0}", s.RemoteEndPoint);

             while (true)

             {

                 byte[] receivedBytes = new byte[];

                 string sendMessage = Console.ReadLine();

                 if (sendMessage.Contains("exit"))

                     break;

                 Console.WriteLine("Creating message : {0}", sendMessage);

                 byte[] forwardMessage = new UTF8Encoding().GetBytes(sendMessage + "[FINAL]");

                 if (s.Connected)

                 {

                     try

                     {

                         s.Send(forwardMessage);

                         int totalBytesReceived = s.Receive(receivedBytes);

                         Console.WriteLine("Message provided from server :{0}", new UTF8Encoding().GetString(receivedBytes, , totalBytesReceived));

                     }

                     catch (Exception ex)

                     {

                         throw ex;

                     }

                 }

             }

             s.Shutdown(SocketShutdown.Both);

             s.Close();

         }

  static void Main(string[] args)

         {

             Console.WriteLine("Starting : Createing Socket object");

             Socket lisner = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

             lisner.Bind(new IPEndPoint(IPAddress.Any, ));

             lisner.Listen();

             Console.WriteLine("Waiting for connection on port 13745");

             Socket socket = lisner.Accept();

             while (true)

             {

                 string receivedValue = string.Empty;

                 while (true)

                 {

                     byte[] receivedBytes = new byte[];

                     int numBytes = socket.Receive(receivedBytes);

                     Console.WriteLine("Receiving / ");

                     receivedValue += new UTF8Encoding().GetString(receivedBytes, , numBytes);

                     if (receivedValue.IndexOf("[FINAL]") > -)

                         break;

                 }

                 Console.WriteLine("Received value: {0}", receivedValue);

                 string replyValue = Console.ReadLine();

                 byte[] replyMessage = new UTF8Encoding().GetBytes(replyValue);

                 socket.Send(replyMessage);

                // socket.Shutdown(SocketShutdown.Both);

                 //socket.Close();

             }

         }

     }