model to this.
If this was already bound to a model, that previous binding is destroyed.
The contents of this are cleared and then filled with widgets that represent items from
this is updated whenever
model changes. If
model is null
, this is left empty.
It is undefined to add or remove widgets directly (for example, with [method@Gtk.ListBox.insert]) while this 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.
the `GListModel` to be bound to this
a function that creates widgets for items or null in case you also passed
user data passed to
function for freeing