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Example 12: Encrypt an existing PDF file (40 bits) from ASP.NET  Print Example 

Add a reference in your project to docCreator library.
To do this:
      a. On the Project menu, click Add Reference.
      b. On the COM tab, locate Neevia docCreator and then click Select.
      c. Click OK in the Add References dialog box to accept your selections.

 Visual Basic
<SCRIPT runat="server" language="VB">

  Sub Page_Load(Source As Object, e As EventArgs)

    Dim DC As Object : DC = Server.CreateObject("Neevia.docCreator")

    DC.setParameter("PDFEncryption", "true")
    DC.setParameter("PDFEncryptionType", "40")

    DC.setParameter("PDFOwnerPassword", "test")
    DC.setParameter("PDFUserPassword", "open")

    DC.setParameter("PDFNoCopyPermission", "true")
    DC.setParameter("PDFNoPrintPermission", "true")
    DC.setParameter("PDFNoChangePermission", "true")
    DC.setParameter("PDFNoAddPermission", "true")

    Dim RVal As Integer : RVal = DC.encryptPDF("d:\test.pdf", "d:\out.pdf")
    DC = Nothing

    If (RVal <> 0) Then
       Response.Write("There was an error encrypting the document!!!")
    Else
       Response.Write("Done encrypting !!!")
    End If

 End Sub

</SCRIPT>
 VC#
<SCRIPT runat="server" language="C#">

  void Page_Load(object Source, EventArgs e)
  {

   Neevia.docCreator DC = new Neevia.docCreator();

   DC.setParameter("PDFEncryption", "true");
   DC.setParameter("PDFEncryptionType", "40");

   DC.setParameter("PDFOwnerPassword", "test");
   DC.setParameter("PDFUserPassword", "open");

   DC.setParameter("PDFNoCopyPermission", "true");
   DC.setParameter("PDFNoPrintPermission", "true");
   DC.setParameter("PDFNoChangePermission", "true");
   DC.setParameter("PDFNoAddPermission", "true");

   int RVal = DC.encryptPDF(@"d:\test.pdf", @"d:\out.pdf");
   DC = null;

   if (RVal != 0) {
      Response.Write("There was an error encrypting the document!!!");
   } else {
      Response.Write("Done encrypting !!!");
   }

  }

</SCRIPT>



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