Problem adding javascript into PDF using iTextSharp

I am trying to embed JavaScript into pdf that is created using iTextSharp and it is working absolutely fine if it is a file as shown in the code.

But when I try to embed the javascript part into a memory stream it is not working. Are there any limitations of iTextSharp??

Dim js As New StringBuilder
                Dim pdf As String = "c:\Print2Printer.pdf"
                Dim writer As PdfWriter = PdfWriter.GetInstance(doc, New FileStream(pdf, FileMode.Create))

                js.Append("var pp = this.getPrintParams();")
                js.Append("var iCopies = 2;")
                js.Append("pp.interactive = pp.constants.interactionLevel.silent;")
                js.Append("for ( var i = 0; i < 3; i++ ) { pp.firstPage = i; pp.lastPage = i;")
                Dim jaction As PdfAction = PdfAction.JavaScript(js.ToString(), writer)

                doc.Add(New Paragraph(pdfString))



Your PDF is not rendered yet... I am not sure if PDF has a onreadystate event or not but see...

In short you need a setTimeout

Here is an example using Docotic.Pdf


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