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Q: 

Custom content redraw on UIScrollView zoom/unzoom?

I have a parent UIScrollView and inside it, there are several UITableViews. Horizontal scrolling should be handled by parent, vertical scrolling and taps - by children. As far as I know, that's feasible, I've seen some sample from Apple. By I also want to intercept pinch-to-zoom events and do a total redraw of parent scrollView's content, remove current child views and add new ones, how can I do that?

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