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Re: create subclass in code

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Re: create subclass in code

Subject: Re: create subclass in code
From: Sherm Pendley <email@hidden>
Date: Fri, 26 Nov 2004 18:49:08 -0500

On Nov 26, 2004, at 6:24 PM, email@hidden wrote:

Is it possible to create a subclass of another class without actually writting the interface and implementation files?

Yes, but it's much more complicated than in your example. You could conceivably bury all the complex stuff in your own -subclass method, like in your example, but there's no easy pre-written -subclass method.

In a nutshell, you have to define a C structure that contains the class definition, and register it with the Objective-C runtime.

Have a look at:

<http://tinyurl.com/5elgu> <http://developer.apple.com/documentation/Cocoa/Reference/ ObjCRuntimeRef/ObjCRuntimeRef/function_group_4.html>

sherm--

Cocoa programming in Perl: http://camelbones.sourceforge.net
Hire me! My resume: http://www.dot-app.org

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