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KVO and arrays

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KVO and arrays

Subject: KVO and arrays
From: kelvSYC <email@hidden>
Date: Sun, 02 Jan 2005 22:48:31 -0700

Suppose I have manual notification of a to-many key foo in my class (ie. it uses indexed accessors). I have a method -bar that radically alters foo ("elements" may be added, removed, or changed programatically). I'm confused whether I should call (in -bar) -will/didChangeValueForKey or willChange:valuesAtIndexes:forKey:, and if the latter, what the first parameter should be.

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