فیلم آموزشی سوکت در سی شارپ+سورس

   class PacketTransferClass
    {
        public Socket ClientCl;
        public byte[] BufferCl;


        public PacketTransferClass(Socket ClientS)
        {
            this.ClientCl = ClientS;
            this.BufferCl = new byte[] {0x00,0x00,0x06,0x10,0x12,0x00,0x00 };
        }
    }
}

string Ipp = Dns.GetHostName();
            IPAddress[] GetIP = Dns.GetHostAddresses(Ipp);
            foreach (IPAddress item in GetIP)
            {
                if (item.AddressFamily==AddressFamily.InterNetwork)
                {
                    txtserverIP.Text = item.ToString();
                    txtserverPort.Text = "8000";
                }
            }

private void btnStartconn_Click(object sender, EventArgs e)
        {
            ServerS = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
            IPAddress Ipadress = IPAddress.Parse(txtserverIP.Text);
            int portnm = int.Parse(txtserverPort.Text);
            IPEndPoint EndIP = new IPEndPoint(Ipadress,portnm);
            ServerS.Bind(EndIP);
            CheckConnection(true);
            ServerS.Listen(int.MaxValue);
            ServerS.BeginAccept(new AsyncCallback(OnServerEndAccept),null);
        }

        private void OnServerEndAccept(IAsyncResult ar)
        {
            Socket _Soket = ServerS.EndAccept(ar);
            Clients.Add(_Soket);
            ReadyForGetData(_Soket);
        }

private void ReadyForGetData(Socket socket)
        {
            PacketTransferClass packetClass = new PacketTransferClass(socket);
            packetClass.ClientCl.BeginReceive(packetClass.BufferCl,0,packetClass.BufferCl.Length,SocketFlags.None,new AsyncCallback(OnClientEndRecieve),packetClass);
        }

private void OnClientEndRecieve(IAsyncResult ar)
        {
            PacketTransferClass Pocket = (PacketTransferClass)ar.AsyncState;
            string msg = ASCIIEncoding.UTF8.GetString(Pocket.BufferCl);
            WriteToLogg(msg);
            ReadyForGetData(Pocket.ClientCl);
        }

        private void WriteToLogg(string msg)
        {
            MethodInvoker MyMethod = new MethodInvoker(delegate 
            { richTextBox1.AppendText(Environment.NewLine + "Server :" + msg + Environment.NewLine); }
            );
            this.BeginInvoke(MyMethod);