using System;

using System.IO;

using iTextSharp.text;

using iTextSharp.text.pdf;

using iTextSharp.text.pdf.parser;

public class Program

{

    public static void Main()

    {

        FileStream fs = new FileStream("Chapter1_Example1.pdf", FileMode.Create, FileAccess.Write, FileShare.None);

        Document doc = new Document();

        PdfWriter writer = PdfWriter.GetInstance(doc, fs);

        doc.Open();

        doc.Add(new Paragraph("Hello World"));

        doc.Close();

​

        PdfReader reader = new PdfReader("Chapter1_Example1.pdf");

        string text = string.Empty;

        for (int page = 1; page <= reader.NumberOfPages; page++)

        {

            text += PdfTextExtractor.GetTextFromPage(reader, page);

        }

        reader.Close();

​

        Console.WriteLine(text);

    }

}