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Joseph Misko
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 Posted: Fri Nov 21, 2003 5:24 pm Post subject: Detect If OLE Server is Closed |
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I am using a Variant and a call to CreateOleObject to start up and maintain
a reference to an external application. I use VarIsEmpty to test whether
the variable has been initialized or not, and this works pretty well.
However, once there has been a call to CreateOleObject, then VarIsEmpty
returns False even if the external application has been closed. Is there
another way to tell if the application is still available?
Thanks,
Joe
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Deborah Pate (TeamB)
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| Posted: Fri Nov 21, 2003 5:48 pm Post subject: Re: Detect If OLE Server is Closed |
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<
Is there another way to tell if the application is still
available?
Not just from your variable. But if the application has a
quit event, you could trap that. Otherwise you could
perhaps use WaitForSingleObject in a thread (there's a
component to do that here:
http://www.djpate.freeserve.co.uk/AutoOffc.htm ) or just
use a timer and keep checking.
--
Deborah Pate (TeamB) http://delphi-jedi.org
TeamB don't see posts sent via Google or ISPs
Use the real Borland server: newsgroups.borland.com
http://www.borland.com/newsgroups/genl_faqs.html
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