public int GetHandledEvents(out IVsEnumBSTR ppUnk)
        {
            var node          = LookupNode();
            var semanticModel = GetSemanticModel();
            var handledEvents = CodeModelService.GetHandledEventNames(node, semanticModel);

            ppUnk = new VsEnumBSTR(handledEvents);

            return(VSConstants.S_OK);
        }