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Re: IDL 8.1 Crashes on Windows [message #77847 is a reply to message #77844]

Mon, 03 October 2011 11:39

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> I have received an unconfirmed report that one possible
> source of IDL 8.1 crashes on Windows computers may be
> an inadvertent leak of GDI objects. These Graphics
> Device Interface objects are responsible for much
> of the menu and graphics drawing on the computer.
> And it is apparently quite easy to make an inadvertent
> mistake when cleaning these objects up.
>
> http://msdn.microsoft.com/en-us/magazine/cc301756.aspx
>
> Windows computers apparently only allow 10,000 of these
> objects. If you have more, the machine crashes in a very
> hard way, so that the only recourse is to hit the panic
> button. You can keep track of how many of these GDI objects
> are in use at any particular time with the Task Manager.
> (Go to the View->Select Columns menu item and select the
> GDI object selection.)

More sleuthing by Dick Jackson has turned up a couple
more useful links:

******************
A Google search for [eclipse windows gdi] led me to:
http://www.robertwloch.net/2011/08/10000-gdi-objects-ought-t o-be-enough-
for-anybody/

... and the registry key you can set to up this failure threshold from
10,000 to 65,536:
http://msdn.microsoft.com/en-us/library/ms724291%28v=vs.85%2 9.aspx
*****************

As I understand it, not all Windows machines can be configured
like this, so your mileage may vary. I still think the
non-public patch might be the way to go, but I have heard
nothing from ITTVIS on this topic. :-(

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: IDL 8.1 Crashes on Windows By: greg.addr on Tue, 04 October 2011 08:17
		Re: IDL 8.1 Crashes on Windows By: lecacheux.alain on Tue, 04 October 2011 07:49
		Re: IDL 8.1 Crashes on Windows By: David Fanning on Tue, 04 October 2011 07:11
		Re: IDL 8.1 Crashes on Windows By: greg.addr on Tue, 04 October 2011 07:06
		Re: IDL 8.1 Crashes on Windows By: David Fanning on Mon, 03 October 2011 11:39
		Re: IDL 8.1 Crashes on Windows By: David Fanning on Sun, 02 October 2011 07:43
		Re: IDL 8.1 Crashes on Windows By: lecacheux.alain on Sun, 02 October 2011 01:49

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