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Intercepting messages

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Intercepting messages

Subject: Intercepting messages
From: Rob In der Maur <email@hidden>
Date: Tue, 21 Mar 2006 09:05:09 +0100

Hi all,

I'm trying to figure out how to write an plugin that intercepts a specific message sent to an object which is in code I do not own or have the source code of. I've looked at NSNotification but I do not get the right notifications. I also looked at NSProxy but (correct me if I'm wrong) you can only use that when allocing the object you want to intercepts messages for? Is there not an easy way of 'listening to messages' which are sent within an application, intercept these and do something alternative then the original application was supposed to do?

Any examples, pointers, etc. are appreciated.

cheers
Rob

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