public static void MulticastSetBeginReceive()
{
IPAddress ipSSDP = IPAddress.Parse(multicastIP);
IPEndPoint ipRXEnd = new IPEndPoint(ipSSDP, multicastPort);
UdpState udpListener = new UdpState();
udpListener.e = ipRXEnd;
if (udpMulticastClient == null)
udpMulticastClient = new UdpClient(multicastPort);
udpListener.u = udpMulticastClient;
udpMulticastClient.BeginReceive(new AsyncCallback(MulticastReceiveCallback), udpListener);
}
public static void UnicastSetBeginReceive()
{
IPEndPoint ipRXEnd = new IPEndPoint(IPAddress.Any, unicastPort);
UdpState udpListener = new UdpState();
udpListener.e = ipRXEnd;
if (udpUnicastClient == null)
udpUnicastClient = new UdpClient(unicastPort);
udpListener.u = udpUnicastClient;
udpUnicastClient.BeginReceive(new AsyncCallback(UnicastReceiveCallback), udpListener);
}