Is it possible to make a PDF file fetch something in the background, not seen by the person reading it, when that someone opens the file or changes pages? Like, for example, fetching a tiny GIF or JPEG file that doesn't spawn its own window? Or entering something into a database? Or any other...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.