protected unsafe void EnableActionDestroyObject()
        {
            iCallbackDestroyObject = new CallbackDestroyObject(DoDestroyObject);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgContentDirectory3EnableActionDestroyObject(iHandle, iCallbackDestroyObject, ptr);
        }
 static extern void DvServiceUpnpOrgContentDirectory3EnableActionDestroyObject(uint aHandle, CallbackDestroyObject aCallback, IntPtr aPtr);