If box was already bound to a model, that previous binding is
destroyed.
The contents of box are cleared and then filled with widgets that
represent items from model. box is updated whenever model changes.
If model is null, box is left empty.
Note that using a model is incompatible with the filtering and sorting
functionality in GtkListBox. When using a model, filtering and sorting
should be implemented by the model.
Binds model to box.
If box was already bound to a model, that previous binding is destroyed.
The contents of box are cleared and then filled with widgets that represent items from model. box is updated whenever model changes. If model is null, box is left empty.
It is undefined to add or remove widgets directly (for example, with gtk.list_box.ListBox.insert or gtk.container.Container.add) while box is bound to a model.
Note that using a model is incompatible with the filtering and sorting functionality in GtkListBox. When using a model, filtering and sorting should be implemented by the model.