Code Samples - Document Converter Pro

Example 12: Encrypt an existing PDF file (AES 128 bits) - Visual Basic Copy 

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   Dim DC : Set DC = CreateObject("Neevia.docConverter")

   DC.setParameter "PDFEncryption", "true"
   DC.setParameter "PDFEncryptionType", "aes"

   DC.setParameter "PDFOwnerPassword", "owner"
   DC.setParameter "PDFUserPassword", "open"

   ' p - disable document printing
   ' e - disable extraction of text and graphics
   DC.setParameter "Permissions", "pe"

   Dim RVal : RVal = DC.encryptPDF("c:\users\public\in.pdf", "c:\users\public\out.pdf")
   If (RVal<>0) Then
     MsgBox "There was an error encrypting the document!!!"
   Else
     MsgBox "Done encrypting !!!"
   End If

   Set DC = Nothing