System.IO.BACnet.BacnetClient.RemoteWhoIs C# (CSharp) Méthode

        public void RemoteWhoIs(String BBMD_IP, int Port = 0xbac0, int low_limit = -1, int high_limit = -1)
        {
            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);
                BacnetAddress broadcast = m_client.GetBroadcastAddress();
                NPDU.Encode(b, BacnetNpduControls.PriorityNormalMessage, broadcast, null, DEFAULT_HOP_COUNT, BacnetNetworkMessageTypes.NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK, 0);
                APDU.EncodeUnconfirmedServiceRequest(b, BacnetPduTypes.PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST, BacnetUnconfirmedServices.SERVICE_UNCONFIRMED_WHO_IS);
                Services.EncodeWhoIsBroadcast(b, low_limit, high_limit);
                (m_client as BacnetIpUdpProtocolTransport).Bvlc.Encode(b.buffer, 0, BacnetBvlcFunctions.BVLC_DISTRIBUTE_BROADCAST_TO_NETWORK, b.offset);

                Trace.WriteLine("Sending Whois to remote BBMD ", null);
                (m_client as BacnetIpUdpProtocolTransport).Send(b.buffer, b.offset, ep);
            }
            catch (Exception ex)
            {
                Trace.TraceError("Sending Whois to remote BBMD " + ex.Message);
            }
        }