BetterExplorer.MainWindow.btnNavigationPane_CheckChanged C# (CSharp) Method

    private void btnNavigationPane_CheckChanged(object sender, RoutedEventArgs e) {
      if (isOnLoad) {
      } else if (e.RoutedEvent.Name == "Checked") {
        TreeGrid.ColumnDefinitions[0].Width = new GridLength(200);
        Utilities.SetRegistryValue("NavigationPaneEnabled", 1);
      } else {
        TreeGrid.ColumnDefinitions[0].Width = new GridLength(1);
        Utilities.SetRegistryValue("NavigationPaneEnabled", 0);
      }
    }