On Apr 2, 2010, at 22:17, Jerry Krinock wrote: > So you're telling me that all of the keys in a key path must be > KVO-compliant. I hadn't thought so, because in the key path > "fooArrayController.selection", the fooArrayController is hard-wired to an > IBOutlet and never changes. But now I see a possible explanation is that the > Cocoa Bindings Wizard created its observer before the fooArrayController got > wired to its outlet.
No, KVO compliance isn't required for a bound-to key that never changes. The issue I had in mind is that that the "fooArrayController" key *does* change -- when the nib is loaded to changes from nil to its correct value. Thus, anything that tries to observe it before nib loading is going to be observing a nil object and will never know any different. Things that observe it after the outlet is set during nib loading will be fine. However, I think this is a false trail. Kyle had the correct answer. _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
