Sets our main struct and passes it to the parent class.
Creates a new #DzlMenuButton with the icon @icon_name and the menu contents of @model.
Get the main Gtk struct
the main Gtk struct as a void*
Sets the #DzlMenuButton:show-accels property.
Sets the #DzlMenuButton:show-arrow property.
Sets the #DzlMenuButton:show-icons property.
the main Gtk struct