Emits a #GtkWidget::child-notify signal for the [child property][child-properties] specified by @pspec on the child.
This is an analogue of g_object_notify_by_pspec() for child properties.
the child widget
the #GParamSpec of a child property instealled on the class of @container
3.18
See Implementation
Emits a #GtkWidget::child-notify signal for the [child property][child-properties] specified by @pspec on the child.
This is an analogue of g_object_notify_by_pspec() for child properties.