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Adobe Systems recently released version 10 of their Acrobat products, including both Acrobat itself and Acrobat Reader. This release has introduced compatibility problems for Cradle.
The changes made by Adobe Systems do not affect Cradle’s basic ability to display PDF files referenced by, or held within, frames in Cradle items. This will continue to work without any problems. The problems arise in the ability of Cradle to open a PDF file and move to a specific position on a specific page in that document.
In version 10 of Acrobat, Adobe Systems changed the DDE commands that an external application can use, and Cradle does use, to move to a specific position in a specific page of a PDF document. Unfortunately, errors within Acrobat 10 forced corrections to this new mechanism, which have been released as part of Acrobat 10.1. These problems affect all applications, including Cradle, using Acrobat to open PDF files. Adobe Systems has specified the DDE commands that will be used by versions of Acrobat after version 10.1.
The DDE command interface used by Cradle-6.4 and previous releases will continue to work with all versions of Acrobat up to and including version 9.X but the changes introduced by Adobe Systems means that Cradle-6.4 and previous releases will not be able to move to specific pages within PDF documents, nor specific places in such pages using Acrobat version 10 or later versions of Acrobat.
Acrobat’s new DDE commands have been included in the Cradle-6.5 release. This means that Cradle-6.5 and later releases will function as intended with versions of Acrobat up to and including version 9.X, version 10.1, and also versions after 10.1. But the errors in Acrobat 10 mean that Cradle-6.5 and later releases cannot use Acrobat version 10 to open PDF files at a specific position in a specific page.
3SL recommends that Cradle users should not use Acrobat version 10.0. If you have upgraded to version 10.0 from a previous version of Acrobat, then we recommend that you should immediately upgrade to Acrobat version 10.1 or a later release. The latest release is 10.1.2, dated 10.1.2012.
Please note that this compatibility issue will affect all applications, not just Cradle.
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