Damage all surfaces that are associated with an action
void PtDamageSurfaceByAction( PtWidget_t *widget, PtWidgetClassRef_t const *cref, unsigned short action_id );
PtDamageSurfaceByAction() flags to be redrawn all surfaces belonging to the given widget that are associated with an action. The cref and action_id specify the class and manifest of the action associated with the surfaces to be damaged.
Control Surfaces chapter of the Photon Programmer's Guide