protected unsafe void EnableActionStopTransferResource()
        {
            iCallbackStopTransferResource = new CallbackStopTransferResource(DoStopTransferResource);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgContentDirectory3EnableActionStopTransferResource(iHandle, iCallbackStopTransferResource, ptr);
        }
 static extern void DvServiceUpnpOrgContentDirectory3EnableActionStopTransferResource(uint aHandle, CallbackStopTransferResource aCallback, IntPtr aPtr);