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Re: Observing Collections

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Re: Observing Collections

Subject: Re: Observing Collections
From: mmalcolm crawford <email@hidden>
Date: Wed, 4 Jan 2006 18:05:20 -0800


On Jan 2, 2006, at 3:18 PM, Chad Woolf wrote:

I want to observe a key on objects residing in a collection (NSSet preferably but maybe an NSArray would work too). So, lets say I have a collection of 10 objects, each having a key "enabled", and I want to observe the value of the key "enabled" for each object, and also track new objects coming and going from the collection. (I want to do this because I want to maintain a separate collection of enabled objects, and I want to it always be up to date) [...] How would you do it?


<http://homepage.mac.com/mmalc/CocoaExamples/controllers.html>
See "Graphics Bindings".

mmalc

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  >Observing Collections (From: Chad Woolf <email@hidden>)




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