Can I use "app.viewerversion" then close the PDF if needed?

Yes, you can detect the version and close the LiveCycle form with a script in exactly the same way its done with an AcroForm.

Use an event that is only called once when the PDF is opened, Like DocReady.

if(app.viewerVersion < 8)
event.target.closeDoc(true);


That's it

Thom Parker
The source for PDF Scripting Info
[url=http://www.pdfScripting.com]pdfscripting.com[/url]

The Acrobat JavaScript Reference, Use it Early and Often
[url=http://www.adobe.com/devnet/acrobat/javascript.php]http://www.adobe.com/devnet/acrobat/javascript.php[/url]

Then most important JavaScript Development tool in Acrobat
[url=http://www.pdfscripting.com/public/34.cfm#JSIntro][b]The Console Window (Video tutorial)[/b][/url]
[url=http://www.acrobatusers.com/tutorials/2006/javascript_console][b]The Console Window(article)[/b][/url]

Thom

Thanks for this. I have implimented this but have read elsewhere that it does not work if the PDF is opened within a browser or another window.

Have you any smart ideas how this could be overcome?

Thanks
Tim

That's probably true. PDFs displayed in a browser have special restrictions on them. Give it a try, and if it doen't work you might want to go with your other strategy of hiding subforms. You can detect that the PDF is in a browser or other window with the "doc.external" property. Maybe something like this:

if(event.target.external)
{
<...Hide Stuff...>
app.alert("This PDF cannot be displayed in a browser window");
}
else if(app.viewerVersion < 8)
event.target.closeDoc(true);

Thom Parker
The source for PDF Scripting Info
[url=http://www.pdfScripting.com]pdfscripting.com[/url]

The Acrobat JavaScript Reference, Use it Early and Often
[url=http://www.adobe.com/devnet/acrobat/javascript.php]http://www.adobe.com/devnet/acrobat/javascript.php[/url]

Then most important JavaScript Development tool in Acrobat
[url=http://www.pdfscripting.com/public/34.cfm#JSIntro][b]The Console Window (Video tutorial)[/b][/url]
[url=http://www.acrobatusers.com/tutorials/2006/javascript_console][b]The Console Window(article)[/b][/url]

As we said here : reverse the issue to the other side.

Your script and Thomp's script will run ONLY in a JavaScript enabled software : Apple Preview and some Reader for Windows don't handle JavaScript, so nothing will happen…

Then you have to create something that display an alert in any case, except if displayed in version 9 (Reader or Acrobat).

See that sample : the 1st page (and the preview icon) is an alert (in french langage) for inviting end user to use Reader 9 or later version.
A document JavaScript detect if the software is Reader (or Acrobat) 9 or later, and ONLY in this case, go to the 2nd page where the "real" content is placed.

So, Reader 9 users will never see the first page (the alert), and all other users will see it an any case.

;-)

The sample file : http://abracadabrapdf.net/articles.php?lng=en&pg=594
(clic the yellow link to download)