Socket connection

using System;/*j a  va2s .  co m*/
using System.Net;
using System.Net.Sockets;

class MainClass
{
   public static void Main()
   {
      IPAddress ia = IPAddress.Parse("127.0.0.1");
      IPEndPoint ie = new IPEndPoint(ia, 8000);

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

      Console.WriteLine("Blocking: {0}", test.Blocking);

      test.Blocking = false;
      Console.WriteLine("new Blocking: {0}",test.Blocking);
      Console.WriteLine("Connected: {0}", test.Connected);

      test.Close();
   }
}

using System;/*from  ja  va2 s  . c  om*/
using System.Net;
using System.Net.Sockets;

class MainClass
{
   public static void Main()
   {
      IPAddress ia = IPAddress.Parse("127.0.0.1");
      IPEndPoint ie = new IPEndPoint(ia, 8000);

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

      Console.WriteLine("Blocking: {0}", test.Blocking);

      test.Bind(ie);
      IPEndPoint iep = (IPEndPoint)test.LocalEndPoint;
      Console.WriteLine("Local EndPoint: {0}",iep.ToString());

      test.Close();
   }
}

using System;/*from  jav a  2s .  c o m*/
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;

class MainClass
{
   public static void Main()
   {
      string data;
      IPEndPoint ip = new IPEndPoint(IPAddress.Any, 9999);

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

      socket.Bind(ip);
      socket.Listen(10);

      Socket client = socket.Accept();
      IPEndPoint newclient = (IPEndPoint)client.RemoteEndPoint;
      Console.WriteLine("Connected with {0} at port {1}",newclient.Address, newclient.Port);

 
   }
}

using System;/*  ja v a 2 s .co m*/
using System.Net;
using System.Net.Sockets;
using System.Text;

class MainClass
{
   public static void Main()
   {
      IPAddress host = IPAddress.Parse("192.168.1.1");
      IPEndPoint hostep = new IPEndPoint(host, 8000);
      Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

      try
      {
         sock.Connect(hostep);
      } catch (SocketException e) {
         Console.WriteLine("Problem connecting to host");
         Console.WriteLine(e.ToString());
         sock.Close();
         return;
      }

      sock.Close();
   }
}

using System;/*  ja  v  a  2  s . c o m*/
using System.Net;
using System.Net.Sockets;
using System.Text;

class MainClass
{
  const int echoPort = 7;

  [STAThread]
  static void Main( string[] args )
  {
    Socket s = new Socket( AddressFamily.InterNetwork, 
      SocketType.Stream, 
      ProtocolType.Tcp );
    s.Connect( new IPEndPoint( IPAddress.Loopback, echoPort ) );

    UTF8Encoding enc = new UTF8Encoding();
    s.Send( enc.GetBytes( "test message" ) );
    Byte[] buff = new Byte[ 1024 ];
    s.Receive( buff );
    System.Console.WriteLine( enc.GetString( buff ) );
  }
}