I can't see any way to copy an NSView and create an identical NSView object. I see google hits about "use an NSData" but I don't understand that.
To straight up "copy" an NSView, the view has to implement the
NSCopying protocol. Unfortunately, NSView does not.
Fortunately, it does implement the
NSCoding protocol, which means we can still duplicate a view like:
NSData * archivedView = [NSKeyedArchiver archivedDataWithRootObject:myView]; NSView * myViewCopy = [NSKeyedUnarchiver unarchiveObjectWithData:archivedView];
And voilá! You now have a duplicate of
Edit: (Swift version)
let archivedView = NSKeyedArchiver.archivedData(withRootObject: myView) let myViewCopy = NSKeyedUnarchiver.unarchiveObject(with: archivedView)
archivedView is of type