On Feb 5, 2015, at 23:43 , Steve Mills <sjmi...@mac.com> wrote: > > [<_NSFaultingMutableSet 0x6200000246e0> > addObserver:forKeyPath:options:context:] is not supported. Key path: count > > Is it not possible to bind to an entity's relationship properties?
You can’t bind *through* an array or set collection class. However, you can use these: https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/KeyValueCoding/Articles/CollectionOperators.html <https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/KeyValueCoding/Articles/CollectionOperators.html> _______________________________________________ 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