ArcGISWindowsPhoneSDK.WebMapKML.AddEventsToGraphicsLayers C# (CSharp) Method

        void AddEventsToGraphicsLayers(Layer layer)
        {
            // a KmlLayer is a group layer containing other KmlLayers or the basic KML group layer, which contains
            // GraphicsLayer for points, a GraphicsLayer for Polylines, a GraphicsLayer for Polygons, and an
            // ElementLayer for GroundOverlays. For each of the GraphicsLayers, we will add pop-ups on tap

            if (layer is GraphicsLayer)
                (layer as GraphicsLayer).MouseLeftButtonUp += WebMapKML_MouseLeftButtonUp;

            else if (layer is KmlLayer)
                foreach (Layer childlayer in (layer as KmlLayer).ChildLayers)
                    AddEventsToGraphicsLayers(childlayer);
        }