MenuBar.from_model
Description:
[ CCode ( has_construct_function = false ,  type = "GtkWidget*" ) ]
[ Version ( since = "3.4" ) ]
public MenuBar.from_model (MenuModel model)
  [ Version ( since = "3.4" ) ]
public MenuBar.from_model (MenuModel model)
Creates a new MenuBar and populates it with menu items and submenus according to 
        model.
The created menu items are connected to actions found in the ApplicationWindow to which the menu bar belongs - typically by means of being contained within the ApplicationWindows widget hierarchy.
Parameters:
| model | 
Returns:
| a new MenuBar |