User1712626037 posted
Thank you for posting the links. I mentioned footer.
if found a solution in vb.net
Dim hd As New HeaderFooter(New Phrase("Hallo Welt"), False)
hd.Border = Rectangle.BOTTOM_BORDER Or Rectangle.TOP_BORDER
pdfDoc.Header = hd
Dim hf As New HeaderFooter(New Phrase("adress" & vbLf & " Seite: "), True)
hf.Border = Rectangle.TOP_BORDER
pdfDoc.Footer = hf
pdfDoc.Open()
pdfDoc.Add(hd)
pdfDoc.Add(hf)