ArcGISRuntime.UWP.Viewer.MainPage.OnSearchToggleChecked C# (CSharp) Метод

        private void OnSearchToggleChecked(object sender, RoutedEventArgs e)
        {
            if (SearchToggleButton.IsChecked.HasValue && SearchToggleButton.IsChecked.Value)
            {
                SearchBox.Visibility = Visibility.Visible;
                SearchToggleButton.Visibility = Visibility.Collapsed;
            }
            else
            {
                SearchBox.Visibility = Visibility.Collapsed;
            }
        }