C# UDP

Реализация UDP на C#


using System;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.IO;

namespace LidTest
{



class MainClass
{

static UdpClient usck;

    static void recv(IAsyncResult res) {
            IPEndPoint remote = new IPEndPoint(IPAddress.Any,0);          
            byte[] data = usck.EndReceive(res, ref remote);

            // do something with data received from remote
            Console.WriteLine(remote.Address.ToString() + ": " + Encoding.ASCII.GetString(data));

            // get next packet
            usck.BeginReceive(recv, null);

    }


public static void Main (string[] args)
{

            usck = new UdpClient("localhost",12000);
            Console.WriteLine("waiting for packets, hit enter to stop");          
            usck.BeginReceive(new AsyncCallback(recv), null);
//usck.Send(new byte[] {1,2,3} , 3);

System.IO.MemoryStream ms = new System.IO.MemoryStream();

BinaryWriter bw = new BinaryWriter(ms);
bw.Write((Int16)(2));
bw.Write("ПИП");
bw.Write((Int16)(4));
bw.Write(true);
bw.Flush();
byte[] b =ms.ToArray();
usck.Send(b,b.Length);


            Console.ReadLine();
            usck.Close();
}
}
}