我在NSVisualEffectView中使用自定义NSTableRowView。我在CustomTableRowView中实现了自定义lightlight样式，如下所示:classCustomTableRowView:NSTableRowView{overridefuncdrawSelection(indirtyRect:NSRect){if(self.selectionHighlightStyle!=NSTableViewSelectionHighlightStyle.none){ifself.isEmphasized{NSColor(calibratedRed:26.0/255.

我的应用程序中有两个NSTableView，用户可以将项目从表A拖放到表B。将项目拖动到表B时，Xcode会给我以下布局警告消息:Layoutstillneedsupdateaftercalling-[NSTableRowViewlayout].NSTableRowVieworoneofitssuperclassesmayhaveoverridden-layoutwithoutcallingsuper.Or,somethingmayhavedirtiedlayoutinthemiddleofupdatingit.BothareprogrammingerrorsinCocoaAutola