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Equivalent of UIScrollViewDelegate in Cocoa?

I am implementing a custom NSScroller class and I need to know when the scrollview is about to scro开发者_StackOverflow社区ll and when it finished doing so. What would be an equivalent of UIScrollViewDelegate's viewDidScroll, etc for NSScrollView/NSScroller?


Subclass NSScrollView and override reflectScrolledClipView:. Don't forget to call super's implementation!

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