ArcGISWindowsPhoneSDK.WebMapCharts.webMap_GetMapCompleted C# (CSharp) Метод

        void webMap_GetMapCompleted(object sender, GetMapCompletedEventArgs e)
        {
            if (e.Error == null)
            {
                MyMap.Extent = e.Map.Extent;

                LayerCollection layerCollection = new LayerCollection();
                foreach (Layer layer in e.Map.Layers)
                    layerCollection.Add(layer);

                GraphicsLayer selectedGraphics = new GraphicsLayer()
                {
                    RendererTakesPrecedence = false,
                    ID = "MySelectionGraphicsLayer"
                };
                layerCollection.Add(selectedGraphics);

                e.Map.Layers.Clear();
                MyMap.Layers = layerCollection;
            }
        }