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Re: NSArrayController Key-Value Observing

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Re: NSArrayController Key-Value Observing

Subject: Re: NSArrayController Key-Value Observing
From: mmalc crawford <email@hidden>
Date: Thu, 10 Jan 2008 20:13:04 -0800


On Jan 10, 2008, at 6:33 PM, Paul De Vera wrote:

I am trying to track the selections of an NSArrayController. I set up an observer for the selectedObjects property of the NSArrayController but when I get to observeValueForKeyPath and print the description of the (NSDictionary *)change argument, I get null for the old value. I was expecting to get an NSArray. Why am I not getting the proper value?

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

mmalc

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  >NSArrayController Key-Value Observing (From: Paul De Vera <email@hidden>)




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