Mail Archives: djgpp/2000/07/25/01:46:29.1

From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Pointer to a function in class?
Organization: Pin Eight Software
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References: <8li587$566$1 AT nnrp1 DOT deja DOT com>
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Date: Tue, 25 Jul 2000 05:37:28 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Mon, 24 Jul 2000 19:26:04 GMT, sami3079 AT my-deja DOT com wrote:

>How do I get a pointer to a function in class?

To be able to get pointers to class methods in C++, generally you have
to mark the function pointed to as "static" in the class declaration,
which means it doesn't get passed a pointer to `this'.

Seriously, pointers to methods aren't useful unless you're trying to
interface your C++ code with a library written in C (e.g. Allegro or
something).  If you're trying to interface C++ with C++, inheritance
and polymorphism (the `virtual' keyword) provide a cleaner mechanism.

Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
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