Emits a child-notify signal for the [child property][child-properties] child_property on the child.
This is an analogue of g_object_notify() for child properties.
Also see Widget.childNotify.
the child widget
the name of a child property installed on the class of container
3.2
Emits a child-notify signal for the [child property][child-properties] child_property on the child.
This is an analogue of g_object_notify() for child properties.
Also see Widget.childNotify.