void sections_changed ( GtkSectionModel* self, guint position, guint n_items, gpointer user_data )
Emitted when the start-of-section state of some of the items in
Note that this signal does not specify the new section state of the items, they need to be queried manually. It is also not necessary for a model to change the section state of any of the items in the section model, though it would be rather useless to emit such a signal.
|Default handler: |
The default handler is called after the handlers added via
|Available since: 4.12|