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KVO and Object Arrays

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KVO and Object Arrays

Subject: KVO and Object Arrays
From: Jake Carter <email@hidden>
Date: Sat, 19 Apr 2008 22:13:43 -0700

Hey guys,

I have a KVO question. First, the setup:

Foo
   NSMutableArray *bars;

Bar
   NSString *name;
   int number;

AppDelegate
   NSMutableArray *foos;

So the AppDelegate will contain an array of Foo object and each Foo object will have an array of Bar objects. I want to be able to observe the bars from the AppDelegate to see when new bars are added or when a property changes in each bar object. I know I can use addObserver:forKeyPath:options:context: and add it to each key I want to observe, but is there a better way to do this? Maybe some KVO magic way to watch a whole tree of objects and their properties?

Thanks for any help,

:// Jake


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