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Re: How do I observe changes in NSArray contents?

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Re: How do I observe changes in NSArray contents?

Subject: Re: How do I observe changes in NSArray contents?
From: Duncan Wilcox <email@hidden>
Date: Tue, 11 Oct 2005 22:50:09 +0200

You watch for array change and element change separately, mmalc's graphics bindings sample does this, check it out:

http://homepage.mac.com/mmalc/CocoaExamples/controllers.html

Duncan

On Oct 11, 2005, at 8:44 PM, Terrence Talbot wrote:

Although I originally posted this question, with a longer explanation, under the title "CoreData - KVO on unarchived array/ dictionary elements?", I realized that this doesn't need to be a CoreData question and can actually be stated pretty simply:

How can I get notified when an object inside an NSMutableArray -- an array element itself, or an object within a particular array element -- is modified?

Is that possible? I see the method - addObserver:toObjectsAtIndexes:forKeyPath:options:context: on NSArray, but I don't understand what is to be supplied for keyPath.
Thanks for shedding light on this,
Terrence
--
Terrence Talbot
Karelia Software
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  >How do I observe changes in NSArray contents? (From: Terrence Talbot <email@hidden>)




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