cocos2d-x prevent touch propagation to other layers

gistfile1.cpp

// UpdateLayer.cpp
// prevent touch propagation to other layers
// cocos2d-1.0.1-x-0.9.1 

void UpdateLayer::onEnter()
{
    CCLayer::onEnter();
    CCTouchDispatcher::sharedDispatcher()->addTargetedDelegate(this, 0, true);
    ...
}

void UpdateLayer::onExit()
{
    CCTouchDispatcher::sharedDispatcher()->removeDelegate(this);
    CCLayer::onExit();
}

bool UpdateLayer::ccTouchBegan(CCTouch* pTouch, CCEvent* pEvent)
{
    CCLOG("Prevent Touch Propagation in Update Layer");
    return true;
}