Creating and Writing Encrypted Files

To create and write an encrypted Pdf file using owner and user passwords you can first use the LoadDocument method with password parameter and then create and write the encrypted file. For more information on how to use the LoadDocument method seeLoading Documents from the Web.

Visual Basic
C#

Visual Basic	Copy Code
Using stream = dlg.OpenFile() Dim pdf = New C1PdfDocument() pdf.Security.OwnerPassword = "ownerPassword" pdf.Security.UserPassword = "userPassword" ' added others content of the pdf file pdf.Save(stream) End Using

Visual Basic

Copy Code

 Using stream = dlg.OpenFile()
    Dim pdf = New C1PdfDocument()
       pdf.Security.OwnerPassword = "ownerPassword"
       pdf.Security.UserPassword = "userPassword"
    ' added others content of the pdf file
       pdf.Save(stream)
End Using

C#	Copy Code
using (var stream = dlg.OpenFile()) { var pdf = new C1PdfDocument(); pdf.Security.OwnerPassword = "ownerPassword"; pdf.Security.UserPassword = "userPassword"; … // added others content of the pdf file pdf.Save(stream); }

Copy Code

using (var stream = dlg.OpenFile())
                {
                    var pdf = new C1PdfDocument();
                    pdf.Security.OwnerPassword = "ownerPassword";
                    pdf.Security.UserPassword = "userPassword";

                     …      // added others content of the pdf file

                    pdf.Save(stream);
         }

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