void ButtonManageLists_Click(object sender, RoutedEventArgs e)
        {
            BlackWhiteListEditorWindow w = new BlackWhiteListEditorWindow();

            w.SetLibrary(library);
            w.Show();
        }
 void ButtonManageLists_Click(object sender, RoutedEventArgs e)
 {
     if (null != library)
     {
         BlackWhiteListEditorWindow w = new BlackWhiteListEditorWindow();
         w.SetLibrary(library);
         w.Show();
     }
     else
     {
         MessageBoxes.Warn("Please select a Library before trying to manage its AutoTags.");
     }
 }