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我正在实现一个自定义NSScroller类,我需要知道滚动视图何时滚动以及何时完成。/的UIScrollViewDelegate'sviewDidScroll等等价物是什么?NSScrollViewNSScroller
NSScroller
UIScrollViewDelegate
viewDidScroll
NSScrollView
子类NSScrollView和覆盖reflectScrolledClipView:。不要忘记调用 super 的实现!
reflectScrolledClipView: