Two UIScrollView's on top of each other?

I'm working on a iphone game, and part of it includes a section where you scroll horizontally through a list of images (which have transparent backgrounds).

but I also want to be able to vertically scroll and change the background image, without the image in th开发者_高级运维e horizontal scroll view changing.

I have the horizontal scrollview working now, and I've placed a second scrollview behind it for the vertical scrollview, but obviously the vertical scrollview doesn't catch the up/down swipes.

Is there some way to push vertical swipes through to the second scrollview, but catch the horizontal swipes on the first?

Mike

IF you implement the scrollViewDidScroll Delegate for the first scroll view and catch the scroll offset, you can pass the same to the second scroll and control how the offset moves on the second scroll.