protected unsafe void EnableActionGetAllowedValues()
        {
            iCallbackGetAllowedValues = new CallbackGetAllowedValues(DoGetAllowedValues);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgScheduledRecording2EnableActionGetAllowedValues(iHandle, iCallbackGetAllowedValues, ptr);
        }
 static extern void DvServiceUpnpOrgScheduledRecording2EnableActionGetAllowedValues(uint aHandle, CallbackGetAllowedValues aCallback, IntPtr aPtr);