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.NET Framework 4.5.2+

PdfEncryptionOptions.OwnerPasswordString Property

Specifies an owner password that is used to allow full access to a document.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v22.2.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

public string OwnerPasswordString { get; set; }

Property Value

Type Description
String

A String object that is an owner password.

Property Paths

You can access this nested property as listed below:

Object Type Path to OwnerPasswordString
PdfSaveOptions
.EncryptionOptions.OwnerPasswordString

Remarks

To protect document opening, create a PdfEncryptionOptions object using the PdfSaveOptions.EncryptionOptions property and specify the user password using the PdfEncryptionOptions.UserPasswordString property.

For more information, see the Document Protection topic.

Example

This example shows how a PDF document can be protected using both the owner and user passwords.

Refer to the following topic fro more information: Document Protection

View Example

using DevExpress.Pdf;

namespace PDFPasswordProtection
{
  class Program
  {
    static void Main(string[] args)
    {

      using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor()) {

        // Load a PDF document.
        pdfDocumentProcessor.LoadDocument("..\\..\\Demo.pdf");

        // Specify printing, data extraction, modification, and interactivity permissions. 
        PdfEncryptionOptions encryptionOptions = new PdfEncryptionOptions();
        encryptionOptions.PrintingPermissions = PdfDocumentPrintingPermissions.Allowed;
        encryptionOptions.DataExtractionPermissions = PdfDocumentDataExtractionPermissions.NotAllowed;
        encryptionOptions.ModificationPermissions = PdfDocumentModificationPermissions.DocumentAssembling;
        encryptionOptions.InteractivityPermissions = PdfDocumentInteractivityPermissions.Allowed;

        // Specify the owner and user passwords for the document.  
        encryptionOptions.OwnerPasswordString = "OwnerPassword";
        encryptionOptions.UserPasswordString = "UserPassword";

        // Specify the 256-bit AES encryption algorithm.
         encryptionOptions.Algorithm = PdfEncryptionAlgorithm.AES256;

        // Save the protected document with encryption settings.  
        pdfDocumentProcessor.SaveDocument("..\\..\\ProtectedDocument.pdf", new PdfSaveOptions() { EncryptionOptions = encryptionOptions });
        }
    }
  }
}

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the OwnerPasswordString property.

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See Also