ArcGISWindowsPhoneSDK.FeatureSetJson.ShowHideMapClick C# (CSharp) Метод

        private void ShowHideMapClick(object sender, EventArgs e)
        {
            if (JsonPivot.Visibility == System.Windows.Visibility.Visible)
            {
                JsonPivot.Visibility = System.Windows.Visibility.Collapsed;
                (ApplicationBar.Buttons[0] as IApplicationBarIconButton).IconUri = new Uri("Images/List.png",UriKind.Relative);
            }
            else
            {
                JsonPivot.Visibility = System.Windows.Visibility.Visible;
                (ApplicationBar.Buttons[0] as IApplicationBarIconButton).IconUri = new Uri("Images/map.png", UriKind.Relative);
                if (myInfoWindow != null)
                    myInfoWindow.IsOpen = false;
            }
        }