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I posted this question in my last year's topic. Since no one replied I am posting my question in this new topic.
I just saw one digitally signed PDF document where, if the digital signature is valid, there is one additional check mark that is printed and when it is unknown, addional question mark is displayed that is printed. See attached.
How to do that using the PDF SDK ?
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When attaching files to any message - please ensure they are archived and posted as a .ZIP, .RAR or .7z format - or they will not be posted - thanks.