ArcGISRuntime.UWP.Samples.FeatureCollectionLayerFromPortal.FeatureCollectionLayerFromPortal.OpenFeaturesFromArcGISOnline C# (CSharp) Method

        private async void OpenFeaturesFromArcGISOnline(string itemId)
        {
            try
            {
                // Open a portal item containing a feature collection
                ArcGISPortal portal = await ArcGISPortal.CreateAsync();
                PortalItem collectionItem = await PortalItem.CreateAsync(portal, itemId);

                // Verify that the item is a feature collection
                if (collectionItem.Type == PortalItemType.FeatureCollection)
                {
                    // Create a new FeatureCollection from the item
                    FeatureCollection featureCollection = new FeatureCollection(collectionItem);

                    // Create a layer to display the collection and add it to the map as an operational layer
                    FeatureCollectionLayer featureCollectionLayer = new FeatureCollectionLayer(featureCollection);
                    featureCollectionLayer.Name = collectionItem.Title;

                    MyMapView.Map.OperationalLayers.Add(featureCollectionLayer);
                }
                else
                {
                    var messageDlg = new MessageDialog("Portal item with ID '" + itemId + "' is not a feature collection.", "Feature Collection");
                    messageDlg.ShowAsync();
                }
            }catch(Exception ex)
            {
                var messageDlg = new MessageDialog("Unable to open item with ID '" + itemId + "': " + ex.Message, "Error");
                messageDlg.ShowAsync();
            }
        }