UIScrollView and scheuler

In our game ,if the UIScrollView scrolling ,all scheduler were paused?
/***
// If you want to attach the opengl view into UIScrollView
// uncomment this line to prevent ‘freezing’. It doesn’t work on
// with the Fast Director
//
// addTimer:animationTimerforMode:NSRunLoopCommonModes];
***/
this is the cocos2d’s solution,how can i do in cocos2dx