Hi ! I have a problem with metadata and PDF/A files.
I need to add some user properties to PDF and PDF/A files.
I added metadata (user properties) with this code :
---
Dim reader As New iTextSharp.text.pdf.PdfReader(uploadControl.FileBytes)
Dim info As Dictionary(Of String, String)
Using fs As New IO.FileStream(_file, IO.FileMode.Create,
IO.FileAccess.Write, IO.FileShare.None)
Using stamper As New iTextSharp.text.pdf.PdfStamper(reader, fs)
info = reader.Info
info.Add(txtKey.Text, txtValue.Text)
stamper.MoreInfo = info
Dim ms As New IO.MemoryStream()
Dim xmp As New iTextSharp.text.xml.xmp.XmpWriter(ms, info)
xmp.Close()
stamper.XmpMetadata = ms.ToArray()
stamper.Close()
End Using
fs.Close()
End Using
reader.Close()
----
It works fine in PDF files, but in a PDF/A file, when I added the
properties, the PDF/A format stop :(
How to add user properties to PDF and PDF/A files???
Thank You very much,
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