Gtk.Widget.prototype.child_notify

function child_notify(child_property:String):void {
    // Gjs wrapper for gtk_widget_child_notify()
}

Emits a Gtk.child-notify signal for the <link linkend="child-properties">child property</link> child_property on widget.

This is the analogue of GObject.notify for child properties.

Also see Gtk.Container.prototype.child_notify.