ArcGISWindowsPhoneSDK.Difference.GeometryService_DifferenceCompleted C# (CSharp) Method

        void GeometryService_DifferenceCompleted(object sender, GraphicsEventArgs e)
        {
            outputGraphicsLayer = MyMap.Layers["OutputGraphicsLayer"] as GraphicsLayer;
            outputGraphicsLayer.ClearGraphics();
            foreach (Graphic g in e.Results)
            {
                if (g.Geometry is ESRI.ArcGIS.Client.Geometry.Polygon)
                    g.Symbol = LayoutRoot.Resources["DifferenceFillSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
                outputGraphicsLayer.Graphics.Add(g);
            }

            MyDrawObject.IsEnabled = true;
            ResetButton.IsEnabled = true;
        }