ArcGISWindowsPhoneSDK.ClosestFacility.MyMap_MapGesture C# (CSharp) Method

        private void MyMap_MapGesture(object sender, Map.MapGestureEventArgs e)
        {
            if (e.Gesture == GestureType.Tap &&
                !facilitiesEditor.CancelActive.CanExecute(null) &&
                !incidentsEditor.CancelActive.CanExecute(null) &&
                !barriersEditor.CancelActive.CanExecute(null))
            {
                MyRouteInfoWindow.IsOpen = false;

                GraphicsLayer graphicsLayer = MyMap.Layers["MyRoutesGraphicsLayer"] as GraphicsLayer;
                IEnumerable<Graphic> selected = e.DirectlyOver(10, new GraphicsLayer[] { graphicsLayer });
                foreach (Graphic g in selected)
                {
                    MyRouteInfoWindow.Anchor = e.MapPoint;
                    MyRouteInfoWindow.IsOpen = true;
                    MyRouteInfoWindow.DataContext = g;
                    return;
                }
            }
        }