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Re: Why is copyWithZone: being called?

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Re: Why is copyWithZone: being called?

Subject: Re: Why is copyWithZone: being called?
From: Jiva DeVoe <email@hidden>
Date: Wed, 23 Feb 2005 14:48:31 -0700

I have seen this when I used the script menu accessor generator to make my accessors. They use [newObject copy]; to get the new object. Just change it to a [newObject retain] which is probably more efficient anyway.


On Feb 21, 2005, at 11:20 AM, T Reaves wrote:

	Hello all.
I am working on an application utilizing bindings. I have a UI page bound to a domain object via an NSArrayController - the domain object has only NS* data members - , and that works well. I then added a second domain object, and the first (bound) object no has the second domain object as a data member.

So I added the new keys to the NSArrayController using the dot notation (attribute.attribute). I then bound the new widgets in the UI to the new keys of the controller. Now, when I start the app, I get the error: *** -[Range copyWithZone:]: selector not recognized

I know how to implement copyWithZone:. What I do not understand is why I must. Why is it that when a domain object contains only NS* data members, bindings do not call copyWithZone:, but when a domain object contains other domain object data members copyWithZone: is called?

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  >Why is copyWithZone: being called? (From: T Reaves <email@hidden>)




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