如何在第2页（共3页）中使用UIScrollView禁用水平滚动？

I have a horizontal UIScrollView with paging enabled containing 3 view controllers. The middle view contains touch handling that sometimes gets interpreted as scrolling and runs the user experience. I have navigation buttons for moving to page 1 and 3 but want to preserve the scrolling abilities when in page 1 and 3 since they don't have multitouch/complex touch behaviors. with paging en