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Re: KVC and KVO for arrays

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Re: KVC and KVO for arrays

Subject: Re: KVC and KVO for arrays
From: Hans van der Meer <email@hidden>
Date: Tue, 12 Feb 2008 23:07:08 +0100


On 12 feb 2008, at 22:45, Kyle Sluder wrote:

On 2/12/08, Hans van der Meer <email@hidden> wrote:

Is there something I do not see? Or do I have to add all the "indexed
accessor methods"  to NSArray and NSMutableArray in a category?
That generates another question: in that case, must I program for
manual observing by bracketing the implementation statements with
[self willChangeValueForKey ..etc] messages?


You seem to be confused... why would you be listening for changes to
custom properties on the array itself?

I guess so. My intention is to have the NSArrayController following the changes in the mutable array in order to show these changes in a tableview in the GUI. As I understand it, to accomplish this the NSArrayController should observe the changes in the array. Doing simply [array addObject:] apparently does not trigger the NSArrayController into having the tableview follow the change.

Hans van der Meer


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  >KVC and KVO for arrays (From: Hans van der Meer <email@hidden>)




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