Reads a file into a byte array : Byte Array « File Stream « C# / C Sharp






  1. C# / C Sharp
  2. File Stream
  3. Byte Array

Reads a file into a byte array

      
//-----------------------------------------------------------------------
// <copyright file="Utilities.cs">
//     Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
// <license>
//     Microsoft Public License (Ms-PL http://opensource.org/licenses/ms-pl.html).
//     Contributors may add their own copyright notice above.
// </license>
//-----------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;

namespace LinqToTwitter
{
    public static class Utilities
    {
        /// <summary>
        /// Reads a file into a byte array
        /// </summary>
        /// <param name="filePath">Full path of file to read.</param>
        /// <returns>Byte array with file contents.</returns>
        public static byte[] GetFileBytes(string filePath)
        {
            byte[] fileBytes = null;

            using (var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
            using (var memStr = new MemoryStream())
            {
                byte[] buffer = new byte[4096];
                memStr.Position = 0;
                int bytesRead = 0;

                while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
                {
                    memStr.Write(buffer, 0, bytesRead);
                }

                memStr.Position = 0;
                fileBytes = memStr.GetBuffer();
            }

            return fileBytes;
        }

    }
}








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