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Re: Strategy for acting on changes in child objects?
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Re: Strategy for acting on changes in child objects?


  • Subject: Re: Strategy for acting on changes in child objects?
  • From: Graham Cox <email@hidden>
  • Date: Fri, 8 May 2009 10:31:37 +1000


On 08/05/2009, at 1:40 AM, Shawn Erickson wrote:

On Thu, May 7, 2009 at 1:46 AM, Graham Cox <email@hidden> wrote:

I suspected it might be but frankly I found the documentation confusing and
couldn't get it to work. Also, it's 10.5 only, though there is a deprecated
older method that serves a similar purpose.

The older method and the new method work just fine, I use it heavily for situations of dependent properties in a project that supports 10.4 and later.

-Shawn


Oh I'm sure it works ;-)

The problem I have with it is that I can't precisely tell from the documentation what problem it solves, and whether it is the same problem that I've had in the past (and Seth has now) which I solved as outlined. It seems to solve a closely related but slightly different problem, but I'm not sure. My inability to get it to work reflects my lack of a complete understanding of what it does.

Maybe you could point me to some supplementary documentation (external to Apple's if necessary) that explains it in a bit more detail?

--Graham


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  • Follow-Ups:
    • Re: Strategy for acting on changes in child objects?
      • From: Seth Willits <email@hidden>
References: 
 >Re: Strategy for acting on changes in child objects? (From: Caleb Strockbine <email@hidden>)
 >Re: Strategy for acting on changes in child objects? (From: Graham Cox <email@hidden>)
 >Re: Strategy for acting on changes in child objects? (From: Shawn Erickson <email@hidden>)

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