C#

static void Main(string[] args)
    {
      if (args.Length > 0)
        ServerMode();
      else 
        ClientMode(); 
    }

    private static void ServerMode()
    {
      Socket listen = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
      IPEndPoint iep = new IPEndPoint(IPAddress.Any, 8888);
      listen.Bind(iep);
      listen.Listen(3);
      Socket sock = listen.Accept();
      byte[] data = File.ReadAllBytes("C:\\bmptemp.bmp");
      NetworkStream ns = new NetworkStream(sock);
      ns.Write(data, 0, data.Length);

      while (true)
      {
        int i = 2 + 2;
      }
    }
 
    private static void ClientMode()
    {
      int recv = 0;
      int totalRecv = 0;
      Socket connect = new Socket(AddressFamily.InterNetwork,        SocketType.Stream, ProtocolType.Tcp);
      connect.Connect(IPAddress.Parse("192.168.1.13"), 8888);
      NetworkStream ns = new NetworkStream(connect);
      do
      { 
        byte[] data = new byte[1024];
        recv = ns.Read(data, 0, data.Length);
        totalRecv += recv;
        foreach (byte b in data)
          Console.Write(b.ToString() + " ");
      }
      while (recv > 0);
      Console.WriteLine("Bytes read: {0}", totalRecv.ToString());
      Console.ReadKey();   
    }

"..Error while trying to run project....<br />
<br />
This application has failed to start because the application configuration is incorrect. Review manifest file for possible errors. Reinstalling the application may fix this problem. for more details, please ssee the application event log."