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mlRe: KVO observeValueForKeyPath, not reflecting changes
FROM : Jonathan del Strother
DATE : Fri Apr 27 16:25:01 2007

> observeValueForKeyPath:ofObject:change:context always returns:
>
>    change = {kind = 1; new = <null>; old = <null>; }
>    v=<null>
>
> Searching through the different lists I've found one that said this 
> was
> a bug but that was in 2004.



Yep, still a bug, still unfixed, no known workarounds (well, short of 
keeping track of the old values yourself).
It's bewildering that this hasn't been fixed yet.

Jon

Related mailsAuthorDate
mlKVO observeValueForKeyPath, not reflecting changes Smith, Steven (MCP… Apr 27, 16:09
mlRe: KVO observeValueForKeyPath, not reflecting changes Jonathan del Strot… Apr 27, 16:25