>> As to the context type, I would be interested to know of cases where the >> observer doesn't have control over the context. My understanding is that the >> context is something that the observer sets itself when calling addObserver, >> and it is passed back to itself in the above method call. So the observer >> should know what kind of entity the context is, and can determine the best >> way to compare this value. > > Subclasses or superclasses can register observers, so it’s possible for your > observer method to get called for observations that you didn’t create. >
That makes me wonder: why isn't it possible to register several, different observers for the same thing? That way, I wouldn't need to care about observations I didn't create, would I? Forgive my ignorance ... Best regards, Gabriel. _______________________________________________ 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
