the kind of menu to create; can be GTK_TYPE_MENU_BAR, GTK_TYPE_MENU or GTK_TYPE_OPTION_MENU
the factory path of ifactory, a string of the form "<name>"
a GtkAccelGroup to which the accelerators for the menu items will be added, or NULL to create a new one
Warning gtk_item_factory_construct has been deprecated since version 2.4 and should not be used in newly-written code. Use GtkUIManager instead. Initializes an item factory.