public static void Process() { DelayedGameObjectManager delayedGOMan = DelayedGameObjectManager.GetInstance(); CollisionObserver observer = delayedGOMan.collisionObservers; while (observer != null) { observer.Execute(); observer = (CollisionObserver)observer.pONext; } observer = delayedGOMan.collisionObservers; CollisionObserver obs = null; while (observer != null) { obs = observer; observer = (CollisionObserver)observer.pONext; delayedGOMan.Detach(obs, ref delayedGOMan.collisionObservers); } }