PDF Page Label(iTexSharp).

[vijy]

When creating a PDF document we can set PDF Page labels using iTexsharp (Sample below),
SetPageLabel

But its possible to set Page Label for already created PDF document.

[stanav]

You cannot change the existing pdf file directly. However, what you can do is to create a new pdf file from the existing one using the iTextSharp.text.pdf.PdfStamper class and then access the pdfwriter object of the stamper to set page label. Once finish, you can delete the original and rename the new pdf the same as the original.

[vijy]

Thanks stanav, i did the same only..
i created a copy using SmartPDF and set the page label. Working fine.

Is it possible to change the "Producer name" of the PDF?

[stanav]

If you're using iTextSharp, you can try by inheriting the iTextSharp.text.Document class and shadow or overload the AddProducer() method. You may also try to write a method and call it instead of calling the AddProducer method... Something like this:

Public Function AddProducerName(ByVal doc As iTextSharp.text.Document, ByVal name As String) As Boolean
        Return doc.Add(New iTextSharp.text.Meta(iTextSharp.text.Element.PRODUCER, name))
    End Function

Assume you have a iTextSharp.text.Document object doc, instead of doing this:

Dim success as boolean = doc.AddProducer()

You do this:

Dim success as boolean = AddProducerName(doc, "whatever name you want to give it here")

[vijy]

hmmm tried,bur not yet got the OutPut...Could you pls tell where am wrong?

Pls forgive the code is in c#.

            String sPDF = @"...\Desktop\Temp-Delete\From\Temp.pdf";
            String sOutPdf = @"...\Desktop\Temp-Delete\From\Label1.pdf";
            iTextSharp.text.pdf.PdfReader oTemp = new iTextSharp.text.pdf.PdfReader(sPDF);
            Document document = new Document(oTemp.GetPageSizeWithRotation(1));
            PdfImportedPage importedPage = null;
            PdfSmartCopy pdfWriter = null;
            pdfWriter = new PdfSmartCopy(document, new System.IO.FileStream(sOutPdf, FileMode.Create));
            pdfWriter.PdfVersion = oTemp.PdfVersion;
            document.AddTitle("SamplePDF");
            document.AddAuthor("XXXXX");
            document.AddCreator("XXXXXXX");
            document.AddKeywords("First testing program for checking the metada in pdf");
            document.AddSubject("XXXXX");
            document.AddHeader("XXXXXX", "XXXXXX");
            document.Add(new Meta(Element.PRODUCER, "Adobe"));
            document.Open();
            for (int i = 1; i <= oTemp.NumberOfPages; i++)
            {
                importedPage = pdfWriter.GetImportedPage(oTemp, i);
                pdfWriter.AddPage(importedPage);
            }
            PdfPageLabels oLabel = new PdfPageLabels();
            oLabel.AddPageLabel(1, PdfPageLabels.DECIMAL_ARABIC_NUMERALS);
            pdfWriter.PageLabels = oLabel;
            
            pdfWriter.Close();
            document.Close();