Sample Code VB.NET
Imports SelectPdf Namespace Controllers Public Class PdfConverterSecurityController Inherits Controller ' GET: PdfConverterSecurity Public Function Index() As ActionResult Return View() End Function <HttpPost> Public Function SubmitAction(fields As FormCollection) As ActionResult ' read parameters from the webpage Dim url As String = fields("TxtUrl") Dim userPassword As String = fields("TxtUserPassword") Dim ownerPassword As String = fields("TxtOwnerPassword") Dim canAssembleDocument As Boolean = fields("ChkCanAssembleDocument") = "on" Dim canCopyContent As Boolean = fields("ChkCanCopyContent") = "on" Dim canEditAnnotations As Boolean = fields("ChkCanEditAnnotations") = "on" Dim canEditContent As Boolean = fields("ChkCanEditContent") = "on" Dim canFillFormFields As Boolean = fields("ChkCanFillFormFields") = "on" Dim canPrint As Boolean = fields("ChkCanPrint") = "on" ' instantiate a html to pdf converter object Dim converter As New HtmlToPdf() ' set document passwords If Not String.IsNullOrEmpty(userPassword) Then converter.Options.SecurityOptions.UserPassword = userPassword End If If Not String.IsNullOrEmpty(ownerPassword) Then converter.Options.SecurityOptions.OwnerPassword = ownerPassword End If 'set document permissions converter.Options.SecurityOptions.CanAssembleDocument = canAssembleDocument converter.Options.SecurityOptions.CanCopyContent = canCopyContent converter.Options.SecurityOptions.CanEditAnnotations = canEditAnnotations converter.Options.SecurityOptions.CanEditContent = canEditContent converter.Options.SecurityOptions.CanFillFormFields = canFillFormFields converter.Options.SecurityOptions.CanPrint = canPrint ' create a new pdf document converting an url Dim doc As PdfDocument = converter.ConvertUrl(url) ' save pdf document Dim pdf As Byte() = doc.Save() ' close pdf document doc.Close() ' return resulted pdf document Dim fileResult As FileResult = New FileContentResult(pdf, "application/pdf") fileResult.FileDownloadName = "Document.pdf" Return fileResult End Function End Class End Namespace