- , _config_dialog (0)
- , _file_menu (0)
- , _history_items (0)
- , _history_position (0)
- , _history_separator (0)
- , _system_information_dialog (0)
- , _view_full_screen (0)
- , _view_dual_screen (0)
- , _main_sizer (new wxBoxSizer (wxVERTICAL))