ArcGISWindowsPhoneSDK.SpatialQuery.ClearGraphicsMenuItem_Click C# (CSharp) Method

        private void ClearGraphicsMenuItem_Click(object sender, EventArgs e)
        {
            MyDrawObject.DrawMode = DrawMode.None;
            GraphicsLayer graphicsLayer = MyMap.Layers["MySelectionGraphicsLayer"] as GraphicsLayer;
            graphicsLayer.ClearGraphics();
            DataListBox.ItemsSource = null;
        }