#Use memory stream with pdfwriter how to

If you need to return a byte array, try this: return baos.toByteArray() Ĭlick How to load a PDF from a stream and add a file attachment? if you want to see how to answer this question in iText 5. ATTACHMENTS is the array of Strings: public static final String ATTACHMENTS = PdfDoc.addFileAttachment(xmlFileDisplayName, pfs) Īs you see, we create a PdfDocument instance using the bytes that were kept in memory ( pdf_bytes). XmlInputFile, null, xmlFileDisplayName, null, null, null, true) Pfs = PdfFileSpec.createEmbeddedFileSpec(pdfDoc, XmlFileDisplayName = String.format('%s.xml', s) Imports System.IO public class Test public Shared Sub Main Dim memorystream As New MemoryStream () Dim streamwriter As New StreamWriter (memorystream) streamwriter.Write ( 'aaa.' ) streamwriter.Flush () Dim streamreader As New. XmlInputFile = String.format('Some test: %s', s).getBytes() Use MemoryStream with StreamWriter and StreamReader : MemoryStream « Stream File « VB.Net Tutorial. (Dont just create it inline in the call to PdfWriter.GetInstance - youll. PdfDocument pdfDoc = new PdfDocument(new PdfReader(source, new ReaderProperties()), new PdfWriter(baos)) Where your code has new FileStream, pass in a MemoryStream youve already created. In iText 7 this can be done in the following way: IRandomAccessSource source = new RandomAccessSourceFactory().createSource(pdf_bytes.toByteArray()) īyteArrayOutputStream baos = new ByteArrayOutputStream() Note that the file attachment will always be an XML file, which I need to create in memory and never will be in file system.

This seems OK too, but when I save stream to file, the resulting PDF is not correct. FileEmbedded (writer, xmlInputFile, xmlFileDisplayName, null )

PdfFileSpecification pfs = PdfFileSpecification.

Use memory stream with pdfwriter