Hi,

I think this is what you need:

    /** 
     * \returns true if this PdfMemDocument creates an encrypted PDF file
     */
    bool PdfMemDocument::GetEncrypted() const { return (m_pEncrypt != NULL); }


if this method returns false, no security settings have been applied to the 
PDF.

regards,
        Dom

Am Mittwoch, 25. Juni 2008 schrieb Ian:
> Hi, here is a quick question. We've been using the PdfEncrypt class to
> secure an open input stream. However, is there a simple method to detect
> if the incoming PDF already has secured settings or is open?
>
>
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