deprecated: 3.10 since: 2.16
void gtk_activatable_set_related_action ( GtkActivatable* activatable, GtkAction* action )
Sets the related action on the
GtkActivatableimplementors need to handle the
GtkActivatable:related-actionproperty and call
gtk_activatable_do_set_related_action()when it changes.
Available since: 2.16
Deprecated since: 3.10
Please do not use it in newly written code.
The data is owned by the caller of the function.