Emits a child-notify signal for the [child property][child-properties] child_property on widget.
This is the analogue of g_object_notify() for child properties.
Also see Container.childNotify.
the name of a child property installed on the class of widget’s parent
Emits a child-notify signal for the [child property][child-properties] child_property on widget.
This is the analogue of g_object_notify() for child properties.
Also see Container.childNotify.