ByteScout Premium Suite – VB.NET – Set passwords and permissions for pdf with pdf sdk

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ByteScout Premium Suite – VB.NET – Set passwords and permissions for pdf with pdf sdk

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ByteScout-Premium-Suite-VB-NET-Set-passwords-and-permissions-for-pdf-with-pdf-sdk.pdf

How to set passwords and permissions for pdf with pdf sdk in VB.NET with ByteScout Premium Suite

Step-by-step tutorial on how to set passwords and permissions for pdf with pdf sdk in VB.NET

The sample source code below will teach you how to set passwords and permissions for pdf with pdf sdk in VB.NET. ByteScout Premium Suite can set passwords and permissions for pdf with pdf sdk. It can be applied from VB.NET. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

Want to save time? You will save a lot of time on writing and testing code as you may just take the VB.NET code from ByteScout Premium Suite for set passwords and permissions for pdf with pdf sdk below and use it in your application. Just copy and paste the code into your VB.NET application’s code and follow the instructions. Enjoy writing a code with ready-to-use sample codes in VB.NET.

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Program.vb

      Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to lock the document with a password. 
''' PDF format supports two kinds of passwords: owner and user password.
''' User password allows to view document and perform allowed actions.
''' Owner password allows everything, including changing passwords and permissions.
''' </summary>
Class Program

    Shared Sub Main()

        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"
        ' Add page
        pdfDocument.Pages.Add(New Page(PaperFormat.A4))


        ' Set document encryption algorythm
        pdfDocument.Security.EncryptionAlgorithm = EncryptionAlgorithm.RC4_40bit
        ' Set various user permissions
        pdfDocument.Security.AllowPrintDocument = False
        pdfDocument.Security.AllowContentExtraction = False
        pdfDocument.Security.AllowModifyAnnotations = False
        pdfDocument.Security.PrintQuality = PrintQuality.LowResolution

        ' Set owner password
        pdfDocument.Security.OwnerPassword = "ownerpassword"

        ' Set user password
        pdfDocument.Security.UserPassword = "userpassword"


        ' Save document to file
        pdfDocument.Save("result.pdf")

        ' Cleanup 
		pdfDocument.Dispose()

        ' Open document in default PDF viewer app
        Process.Start("result.pdf")

    End Sub

End Class