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There is no programmatic access to this option.
This means that you will have to rely on your user's ability to read and follow your instructions. If you are in a closed environment, and you have a central installation and maintenance system, you might be able to control the settings in the installation scripts used for installing. But this will not work in a general public environment, of course.
A temp file will be left behind in any case, namely of the blank form, if there is a crash, which means that you will nevertheless have to clean up eventually.
For privacy reasons, you can reset the form on opening.
Hope, this can help.
Max Wyss PRODOK Engineering Low Paper workflows, Smart documents, PDF forms CH-8906 Bonstetten, Switzerland
Fax: +41 1 700 20 37 or +1 815 425 6566 e-mail: mailto:[EMAIL PROTECTED] http://www.prodok.com
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Question:
Can I set the "Keep forms data temporarily available on disk" option in preferences via code?
Context:
I just did some reading over at the planet pdf forums on the security issues surrounding temp files. The bottom line is that Adobe must have been listening, because we now have the "Keep forms data temporarily available on disk" option in preferences.
While I'm not certain of this, it appears that unchecking this preference option prevents Acrobat from creating the temp file at all. This is good because in the event of a crash, there are no temp files left lying around.
Concering Reader 5.05 (which I'd like to support), I've read that setting dirty flag to false before closing the pdf will prevent the temp file from being created. But again, if Acrobat crashes, the temp file is left behind.
So, it appears that the safest thing to do is to force users to upgrade to Reader 6 and uncheck the "Keep forms data temporarily available on disk" option. If that's the case, is there any way to set this option with JavaScript? Execute menu item only brings up the preferences dialog box. I've searched the JavaScript Dev Guide but didn't see anything there.
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