System Net Sockets C# by API

using System;
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("AddressFamily: {0}",test.AddressFamily);
      Console.WriteLine("SocketType: {0}",test.SocketType);
      Console.WriteLine("ProtocolType: {0}",test.ProtocolType);
      test.Close();
   }
}