TimerBlock

typedefvoid(^TimerBlock)(void);

+ (NSTimer *)timerWithEvent:(TimerBlock)event TimeInterval:(NSTimeInterval)ti repeats:(BOOL)yesOrNo

{

    return [NSTimerscheduledTimerWithTimeInterval:ti target:selfselector:@selector(startTimer:)userInfo:event repeats:yesOrNo];

}

+ (void)startTimer:(NSTimer *)timer

{

   TimerBlock block = timer.userInfo;

    

   if (block) {

        block();

    }

}