On 23/11/2010 4:29, lucio wrote: > now we want to set a timespan of these permissions, for example: > before Dec 31, 2010,the pdf file need a password to access and can not be > copy/printed, after this period,user can open the file without limits (need > to remove the limits we set before). > > Is there any solution of this issue? hope to receive your reply or > some suggestions about this requirement.
No, there is no such functionality in ISO-32000-1 (the PDF standard), hence it's not possible with tools that implement that standard. What you're looking for is a DRM solution that is built on top of the standard (and that will impose specific requirements concerning the end user's PDF viewer). -- This answer is provided by 1T3XT BVBA http://www.1t3xt.com/ - http://www.1t3xt.info ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php