convert content(byte[]) of pdf files to fileinfo[] in c#

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.parser;
using System.Windows.Forms;
using pdf_app.Lib;

namespace pdf_app
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
           ArrayList files = new ArrayList();
            string path = @"D:\Data Sets\Enron";
            DirectoryInfo d = new DirectoryInfo(path);
            FileInfo[] pdffilenames = d.GetFiles("*.pdf");
            foreach(FileInfo pdffilename in pdffilenames)
            {
                fileatt f = new fileatt();
                f.fFullName = pdffilename.FullName;
                f.fName = pdffilename.Name;
                f.FileSize = pdffilename.Length;
                f.fExtension = pdffilename.Extension;
                byte[] bytes = File.ReadAllBytes(pdffilename.FullName);
                           
            }
            MessageBox.Show("successfully");
        }

       
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace pdf_app.Lib
{
    class fileatt
    {
        public long FileSize { get; set; }
        public string fName { get; set; }
        public string fFullName { get; set; }
        public string fExtension { get; set; }
        public string fContent { get; set; }
    }
}