System.Net.Sockets.UdpClient.CheckForBroadcast C# (CSharp) Method

        private void CheckForBroadcast(IPAddress ipAddress)
        {
            // Here we check to see if the user is trying to use a Broadcast IP address
            // we only detect IPAddress.Broadcast (which is not the only Broadcast address)
            // and in that case we set SocketOptionName.Broadcast on the socket to allow its use.
            // if the user really wants complete control over Broadcast addresses he needs to
            // inherit from UdpClient and gain control over the Socket and do whatever is appropriate.
            if (_clientSocket != null && !_isBroadcast && IsBroadcast(ipAddress))
            {
                // We need to set the Broadcast socket option.
                // Note that once we set the option on the Socket we never reset it.
                _isBroadcast = true;
                _clientSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
            }
        }