public Client()
{
Client.Instance = this;
ClientId = new System.Random().Next().ToString("X");
Handle = Environment.UserName;
udpClient = new UdpClient();
udpClient.JoinMulticastGroup(IPAddress.Parse(MULTICAST_ADDR));
udpClient.MulticastLoopback = true;
udpState = new UDPState();
listen();
}
private void listen()
{
IPEndPoint e = new IPEndPoint(IPAddress.Any, PORT);
udpListener = new UdpClient(e);
udpState = new UDPState();
udpState.Endpoint = e;
udpState.UdpClient = udpListener;
udpListener.JoinMulticastGroup(IPAddress.Parse(MULTICAST_ADDR));
udpListener.Ttl = 1;
udpListener.BeginReceive(new AsyncCallback(ReceiveCallback), udpState);
}