Emits the ::row-has-child-toggled signal on @tree_model.
See [signal@Gtk.TreeModel::row-has-child-toggled].
This should be called by models after the child state of a node changes.
a GtkTreePath pointing to the changed row
a valid GtkTreeIter pointing to the changed row
See Implementation
Emits the ::row-has-child-toggled signal on @tree_model.
See [signal@Gtk.TreeModel::row-has-child-toggled].
This should be called by models after the child state of a node changes.