Add embedded file attachment into PDF document from PDFStream object into PDF produced with Bytescout.PDF library for .NET

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using Bytescout.PDF;

namespace DemoProject
{
class Program
{
static void Main(string[] args)
{
// Create main PDF Doc Engine
PDFDocEngine engine = new PDFDocEngine("demo", "demo");
// Add new document
Document document = engine.AddDocument();
// Append new page to the document
Page page = document.AddPage(PageSizeType.A3, PageOrientationType.LandScape);
PDFDataStream stream = new PDFDataStream(engine, "HelloWorld.pdf", FileOpenMode.Read);
document.AddAttachedFileFromPDFStream(stream, "HelloWorld.pdf", "HelloWorld", false);
// Save document
document.Save("AddAttachedFileFromPDFStream.pdf");
}
}
}

Download example source code: bytescoutpdf_add_file_attachment_from_pdf_stream.zip (4 KB)