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Re: Determining Class from Instance address

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Re: Determining Class from Instance address

Subject: Re: Determining Class from Instance address
From: Jerry Krinock <email@hidden>
Date: Fri, 21 Mar 2008 07:57:34 -0700


On 2008 Mar, 21, at 7:40, Joseph Ayers wrote:

How does one determine the sender and self....
In my code VideoController doesn't get sent measureMethodChanged...

Does VideoController implement measureMethodChanged: ? (Note carefully the colon which is part of the name.)

If not, then implement it. Senders are not known because that would break the golden rule of encapsulation. But you can find out the sender by setting an NSLog() in that implementation and also placing a breakpoint. Do a debug build, Debug and look at the stack when it breaks there. _______________________________________________

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  >Determining Class from Instance address (From: Joseph Ayers <email@hidden>)




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