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Re: watch changes to any properties on an object

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Re: watch changes to any properties on an object

Subject: Re: watch changes to any properties on an object
From: Jens Alfke <email@hidden>
Date: Thu, 3 Sep 2009 09:27:51 -0700


On Sep 3, 2009, at 8:24 AM, Alexander Cohen wrote:

I have a base object that needs to know when any of it's properties or subclasses properties have changed and set a dirty flag on itself. Is there a way to do this?

No, not in general. Key-value observing requires knowing the exact property name(s) in advance. You'll need to set the 'dirty' flag manually.

—Jens_______________________________________________

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