[ Version ( since = "4.20" ) ]
public void set_watch_items (bool watch_items)
Sets the filter model to monitor properties of its items.
This allows implementations of [class@Gtk.Filter] that support expression watching to react to property changes. This property has no effect if the current filter doesn't support watching items.
By default, watching items is disabled.
| this |
a `GtkFilterListModel` |
| watch_items |
true to watch items for property changes |