protected unsafe void EnableActionDeleteResource()
        {
            iCallbackDeleteResource = new CallbackDeleteResource(DoDeleteResource);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgContentDirectory3EnableActionDeleteResource(iHandle, iCallbackDeleteResource, ptr);
        }
 static extern void DvServiceUpnpOrgContentDirectory3EnableActionDeleteResource(uint aHandle, CallbackDeleteResource aCallback, IntPtr aPtr);