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Re: Arguments for callback function

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Re: Arguments for callback function

Subject: Re: Arguments for callback function
From: Shawn Erickson <email@hidden>
Date: Sun, 3 Aug 2008 09:43:56 -0700


On Aug 3, 2008, at 9:15 AM, Liwei wrote:

Okay, I'm curious, what is the copyDescription parameter for? Retain
and release I understand, but the description for copyDescription is
too cryptic. I am thinking it could be useful for something.

It is used to get a string description for the purposes of logging/ debugging. For example via a call to CFShow().

<http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFDesignConcepts/Tasks/Inspecting.html#//apple_ref/doc/uid/20001113-CJBEHAAG >

-Shawn
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Re: Arguments for callback function
From: Liwei <email@hidden>


References:  
  >Arguments for callback function (From: Liwei <email@hidden>)
  >Re: Arguments for callback function (From: Eli Bach <email@hidden>)
  >Re: Arguments for callback function (From: Liwei <email@hidden>)
  >Re: Arguments for callback function (From: Shawn Erickson <email@hidden>)
  >Re: Arguments for callback function (From: Liwei <email@hidden>)




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