How to detect a change in a background window

Posted by Leonardo on Super User See other posts from Super User or by Leonardo
Published on 2010-04-30T19:54:14Z Indexed on 2010/04/30 19:59 UTC
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Windows

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window

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utility

Hi,
Let's say I have a chat window open in a web browser, and I'm waiting for a message from my partner, trying to do something else in the meantime. The chat window (not an installed program) will not alert me of an incoming message, nor will the task bar flash or anything.
Is there any utility that can help me? In search of a solution, I came across AutoHotKey. There is a script called livewindows.ahk, which will show a piece of the window anywhere on the screen, but it won't alert me on a change. I'm not skilled enough to know how to store and compare e.g. every second's content of some window area.
Maybe someone has invented this wheel?
Thanks in advance for any hint or advice.
Leonardo

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