PdfExportOptions.EncryptionOptions Property

Gets PDF encryption options.

Namespace: DevExpress.Docs.Presentation.Export

Assembly: DevExpress.Docs.Presentation.v25.1.dll

NuGet Package: DevExpress.Docs.Presentation

Declaration

C#

public EncryptionOptions EncryptionOptions { get; }

VB.NET

Public ReadOnly Property EncryptionOptions As EncryptionOptions

Property Value

Type	Description
EncryptionOptions	An object that contains encryption options.

Example

The following code snippet specifies available encryption settings:

C#

using DevExpress.Docs.Pdf;
using DevExpress.Docs.Presentation;
using DevExpress.Docs.Presentation.Export;

using (var presentation = new Presentation(File.ReadAllBytes(@"C:\Documents\Presentation.pptx")))
{
    var options = new PdfExportOptions();
    // Specify operation restrictions:
    options.EncryptionOptions.DataExtractionPermissions =
        DocumentDataExtractionPermissions.NotAllowed;
    options.EncryptionOptions.PrintPermissions =
        DocumentPrintPermissions.LowQuality;
    options.EncryptionOptions.ModificationPermissions = DocumentModificationPermissions.NotAllowed;

    // Set user and owner passwords:
    options.EncryptionOptions.UserPassword = "userPassword";
    options.EncryptionOptions.OwnerPassword = "ownerPassword";

    // Specify encryption algorithm:
    options.EncryptionOptions.Algorithm = EncryptionAlgorithm.AES256;

    presentation.ExportToPdf(new FileStream("C:\\Documents\\Presentation.pdf", FileMode.Create, FileAccess.ReadWrite), options);
}

VB.NET

Imports DevExpress.Docs.Pdf
Imports DevExpress.Docs.Presentation
Imports DevExpress.Docs.Presentation.Export

Using presentation = New Presentation(File.ReadAllBytes("C:\Documents\Presentation.pptx"))
  Dim options = New PdfExportOptions()

  ' Specify operation restrictions:
  options.EncryptionOptions.DataExtractionPermissions = DocumentDataExtractionPermissions.NotAllowed
  options.EncryptionOptions.PrintPermissions = DocumentPrintPermissions.LowQuality
  options.EncryptionOptions.ModificationPermissions = DocumentModificationPermissions.NotAllowed

  ' Set user and owner passwords:
  options.EncryptionOptions.UserPassword = "userPassword"
  options.EncryptionOptions.OwnerPassword = "ownerPassword"

  ' Specify encryption algorithm:
  options.EncryptionOptions.Algorithm = EncryptionAlgorithm.AES256

  presentation.ExportToPdf(new FileStream("C:\Documents\Presentation.pdf", FileMode.Create, FileAccess.ReadWrite), options)
End Using