{GetWorldTimerManager().SetTimer(this, &ALevelBounds::OnTimerTick,1,true); GEngine->OnActorMoved().AddUObject(this, &ALevelBounds::OnLevelActorMoved); GEngine->OnLevelActorDeleted().AddUObject(this, &ALevelBounds::OnLevelActorAddedRemoved); GEngine->OnLevelActorAdded().AddUObject(this, ...