ArcGISPortalViewer.ViewModel.MainViewModel.GetPortalItemsAsync C# (CSharp) Method

        private async Task<IEnumerable<object>> GetPortalItemsAsync(SearchParameters sp)
        {
            IsLoadingData = true;
            var ps = PortalService.CurrentPortalService;
            SearchResultInfo<ArcGISPortalItem> r = await ps.GetSearchResults(sp);           
            IsLoadingData = false;
            if (r == null) return null;
            return r.Results;
        }