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Re: Running processes in parallel [message #49242]

Wed, 12 July 2006 13:44

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

WorkerAnt writes:

> Currently, there is a for loop in my program that takes anywhere from a
> couple of seconds to a couple of minutes. (The procedure runs a step by
> step animation using the wait function). It's called from an event
> handler whenever a button in the widget is pushed. I want to be able to
> stop anytime in the middle of the animation when another button is
> pressed. (As opposed to the ctrl break method).
> However, the event handler is unable to process the stop button getting
> pushed until the for loop procedure is complete, thus defeating the
> purpose. Is there any way to run two procedures in parallel? Or a time
> independent way to have one take priority over another?
> Barring these two possibilities working, is there any other way of
> having the animation stop?

You can see an example of using timer events to run
a widget animation in this example program:

http://www.dfanning.com/programs/xmovie.pro

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Running processes in parallel By: David Fanning on Wed, 12 July 2006 13:44
		Re: Running processes in parallel By: Michael Galloy on Wed, 12 July 2006 13:25
		Re: Running processes in parallel By: Roberto Monaco on Wed, 12 July 2006 16:12

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