UIManager
| Chapter 11. Menus and Toolbars |

## UIManager

Next you should create a `UIManager` and add the `ActionGroup` to the `UIManager` with `insert_action_group()` At this point is also a good idea to tell the parent window to respond to the specified keyboard shortcuts, by using `add_accel_group()`.

For instance,

    Glib::RefPtr<Gtk::UIManager> m_refUIManager = Gtk::UIManager::create();
    m_refUIManager->insert_action_group(m_refActionGroup);
    add_accel_group(m_refUIManager->get_accel_group());

Then, you can define the actual visible layout of the menus and toolbars, and add the UI layout to the `UIManager`. This "ui string" uses an XML format, in which you should mention the names of the actions that you have already created. For instance:

        Glib::ustring ui_info =
            "<ui>"
            "  <menubar name='MenuBar'>"
            "    <menu action='MenuFile'>"
            "      <menuitem action='New'/>"
            "      <menuitem action='Open'/>"
            "      <separator/>"
            "      <menuitem action='Quit'/>"
            "    </menu>"
            "    <menu action='MenuEdit'>"
            "      <menuitem action='Cut'/>"
            "      <menuitem action='Copy'/>"
            "      <menuitem action='Paste'/>"
            "    </menu>"
            "  </menubar>"
            "  <toolbar  name='ToolBar'>"
            "    <toolitem action='Open'/>"
            "    <toolitem action='Quit'/>"
            "  </toolbar>"
            "</ui>";

        m_refUIManager->add_ui_from_string(ui_info);

To instantiate a `Gtk::MenuBar` or `Gtk::Toolbar` which you can actually show, you should use the `UIManager::get_widget()` method, and then add the widget to a container. For instance:

    Gtk::Widget* pMenubar = m_refUIManager->get_widget("/MenuBar");
    pBox->add(*pMenuBar, Gtk::PACK_SHRINK);

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