System.IO.BACnet.BacnetClient.RegisterAsForeignDevice C# (CSharp) Method

        public void RegisterAsForeignDevice(String BBMD_IP, short TTL, int Port = 0xbac0)
        {
            if (!(m_client is BacnetIpUdpProtocolTransport))
            {
                Trace.TraceWarning("Wrong Transport : IP only");
                return;
            }

            try
            {
                System.Net.IPEndPoint ep = new Net.IPEndPoint(Net.IPAddress.Parse(BBMD_IP), Port);

                EncodeBuffer b = GetEncodeBuffer(m_client.HeaderLength);
                (m_client as BacnetIpUdpProtocolTransport).Bvlc.Encode(b.buffer, 0, BacnetBvlcFunctions.BVLC_REGISTER_FOREIGN_DEVICE, 6);
                b.buffer[4] = (byte)((TTL & 0xFF00) >> 8);
                b.buffer[5] = (byte)(TTL & 0xFF);

                Trace.WriteLine("Sending Register as a Foreign Device ... ", null);
                (m_client as BacnetIpUdpProtocolTransport).Send(b.buffer, 6, ep);
            }
            catch (Exception ex)
            {
                Trace.TraceError("Error on RegisterAsForeignDevice" + ex.Message);
            }
        }