protected unsafe void EnableActionGetTransportSettings()
        {
            iCallbackGetTransportSettings = new CallbackGetTransportSettings(DoGetTransportSettings);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgAVTransport2EnableActionGetTransportSettings(iHandle, iCallbackGetTransportSettings, ptr);
        }
 static extern void DvServiceUpnpOrgAVTransport2EnableActionGetTransportSettings(uint aHandle, CallbackGetTransportSettings aCallback, IntPtr aPtr);