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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Driver Question
Message-ID: <1990Nov20.180537.6876@eng.umd.edu>
Date: 20 Nov 90 18:05:37 GMT
References: <1990Nov19.204829.4725@jarvis.csri.toronto.edu>
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Organization: College of Engineering, Maryversity of Uniland, College Park
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In article <1990Nov19.204829.4725@jarvis.csri.toronto.edu> tracyn@dgp.toronto.edu (Tracy Narine) writes:
>Drivers  can have routines which are called periodically.  A desk
>accessory is also a driver and can have the same periodic routine.
>My question is, does the periodic routine get called  when the desk
>accessory is not active or selected from the apple menu?

No, the driver only gets called when open-- i.e. between OpenDeskAcc and
CloseDeskAcc calls.


>Related driver question.
>I have written a driver and wish to install it into the system folder.    
>What kinds of problems might I run into if I use resedit  and 
>copy it into the system file and then open it from in my program.
>Is there a better way of doing this?

I don't understand 'wish to install it into the system folder'.  You can
just copy the driver into your application resource file and open it
from your application--- safer than putting it into the system, anyway.

--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
     .sig under construction, like the rest of this campus.