John, The info you are after is at: http://developer.apple.com/mac/library/DOCUMENTATION/Cocoa/Conceptual/KeyValueObserving/Concepts/DependentKeys.html
Specifically, keyPathsForValuesAffectingValueForKey: Regards, Matthew Safe, comfortable and satisfied? Consider supporting some people who aren't! I'm riding 100 kilometres to raise funds for refugees! http://my.e2rm.com/personalPage.aspx?registrationID=750445 _______________________________________________ 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