On Mar 14, 2012, at 11:44 PM, Luc Van Bogaert wrote: > By "strong reference", I assume you mean I should add an ivar of type > NSUndoManager to my model object to hold a reference to the document's > undoManager, right? If so, I think I understand what you are saying. I will > give this a try. Thanks! > > But could you also please explain a little more clearly what you mean with > "weak reference" to the document?
Strong being retained, weak is not. @property (readwrite, retain) NSUndoManager * undoManager; @property (readwrite, assign) NSDocument * document; Or if you're using ARC, you can actually use the strong and weak keywords -- Seth Willits _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
