System.IO.File.InternalReadAllBytes C# (CSharp) Méthode

        private static byte[] InternalReadAllBytes(String path)
        {
            // bufferSize == 1 used to avoid unnecessary buffer in FileStream
            using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 1))
            {
                long fileLength = fs.Length;
                if (fileLength > Int32.MaxValue)
                    throw new IOException(SR.IO_FileTooLong2GB);

                int index = 0;
                int count = (int)fileLength;
                byte[] bytes = new byte[count];
                while (count > 0)
                {
                    int n = fs.Read(bytes, index, count);
                    if (n == 0)
                        throw Error.GetEndOfFile();
                    index += n;
                    count -= n;
                }
                return bytes;
            }
        }