static void Main ()
{
string str = "hello";
byte [] buffer = Encoding.ASCII.GetBytes (str.ToCharArray ());
IPAddress ipAddress = IPAddress.Loopback;
IPEndPoint remoteEP = new IPEndPoint (ipAddress, 12521);
Socket sender = new Socket (AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
sender.Connect (remoteEP);
sender.Send (buffer, 0, buffer.Length, SocketFlags.None);
sender.Shutdown (SocketShutdown.Both);
sender.Close ();
}
}