ArcGISWindowsPhoneSDK.WebMapCharts.Highlight C# (CSharp) Метод

        private void Highlight(UIElement elt)
        {
            if (elt is Shape) // PieChart, LineChart
            {
                origColor = (elt as Shape).Fill;
                (elt as Shape).Fill = highlightColor;
            }
            else if (elt is Border) // BarChart, ColumnChart
            {
                origColor = (elt as Border).Background;
                (elt as Border).Background = highlightColor;
            }
            highlightedChartPiece = elt;
        }