| Can DLLs Multi-task? [message #32411] |
Thu, 03 October 2002 06:09 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Folks,
Here is a question from an IDL user who has no newsgroup
access. He asked me if I would pass this question on
to you:
;*************************************************
I am developing an IDL program which have to call some external C
routines (actually some DLL, because I work on Windows environment).
I am wondering if it is possible in some ways to call more than one DLL
at the same time, I.e. in multitasking, so telling to IDL not to wait
for the DLL return.
For example I need to launch a DLL to continuously monitor some
temperature sensors, but in the meanwhile I have to run another DLL to
read an image from a CCD device. I would need to have the temperature
variables continuously updated by the first DLL so that I can read and
display their values while getting the image from the CCD device.
Is all that possible with IDL?
(I have IDL 5.5)
Thank you very very much for your valuable help,
Gianluca Li Causi
licausi@coma.mporzio.astro.it
;*************************************************
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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