ApplicationBar.MainPage.appBarMode_Clicked C# (CSharp) Method

        private void appBarMode_Clicked(object sender, RoutedEventArgs e)
        {
            var checkBox = (CheckBox)sender;
            if (checkBox.IsChecked.Value)
                ApplicationBar.Mode = ApplicationBarMode.Minimized;
            else
                ApplicationBar.Mode = ApplicationBarMode.Default;
            LayoutRoot.UpdateLayout();
        }