bool HelloWorld::init(){  bool bRet = false;  do  {    CC_BREAK_IF(! CCLayer::init());		//參數就不說了，看一下你的資源文件就明白了		CCControlSwitch * controlSwitch = CCControlSwitch::create(			CCSprite::create("extensions/switch-mask.png"),			CCSprite::create("extensions/switch-on.png"),			CCSprite::create("extensions/switch-off.png"),			CCSprite::create("extensions/switch-thumb.png"),			CCLabelTTF::create("On", "Arial-BoldMT", 16),			CCLabelTTF::create("Off", "Arial-BoldMT", 16));		//設置位置		controlSwitch->setPosition(ccp(240,160));		//這個函數對應初始時，開關的狀態是開還是關。		controlSwitch->setOn(true);		//這個函數對應開關能否使用。		controlSwitch->setEnabled(true);		//添加事件監聽		controlSwitch->addTargetWithActionForControlEvents(this,cccontrol_selector(HelloWorld::valueChanged),			CCControlEventValueChanged);		this->addChild(controlSwitch);    bRet = true;  } while (0);  return bRet;}void HelloWorld::valueChanged(CCObject * pSender,CCControlEvent controlEvent){	CCControlSwitch * controlSwitch = (CCControlSwitch *)pSender;	CCLog("click");}