On Friday, August 15, 2008, at 09:57AM, "Markus Spoettl" <[EMAIL PROTECTED]> 
wrote:
>On Aug 15, 2008, at 6:40 AM, Negm-Awad Amin wrote:
>> [object willChangeValueForKeyPath:keyPath];
>> [object didChangeValueForKeyPath:keyPath];
>
>
>I tried that yesterday but due to a stupid mistake it didn't work. I  
>does now and it's that's a good idea. it would eliminate the need of  
>changing things and could be done in a central controller that knows  
>which properties are dependent on the preference.

Sending empty willChange/didChange messages is not a good idea:

http://www.cocoabuilder.com/archive/message/cocoa/2008/5/18/207038

-- 
Adam
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