private function getStaticEventHandlersAll($class, $event)
 {
     $inspectedClass = $class;
     $eventHandlers = false;
     do {
         $additionalEventHandlers = $this->getStaticEventHandlersStrict($inspectedClass, $event);
         if ($additionalEventHandlers !== false) {
             if ($eventHandlers === false) {
                 $eventHandlers = new CList();
                 $eventHandlers->copyFrom($additionalEventHandlers);
             } else {
                 $eventHandlers->mergeWith($additionalEventHandlers);
             }
         }
         $inspectedClass = get_parent_class($inspectedClass);
     } while ($inspectedClass !== false && $this->componentHasEvent($inspectedClass, $event));
     return $eventHandlers;
 }