ICSharpCode.SharpZipLib.Zip.ZipHelperStream.ReadLELong C# (CSharp) Method

        public long ReadLELong()
        {
            return (uint)ReadLEInt() | ((long)ReadLEInt() << 32);
        }

        /// <summary>
        /// Set the data from the raw values provided.
        /// </summary>
        /// <param name="data">The raw data to extract values from.</param>
        /// <param name="index">The index to start extracting values from.</param>
        /// <param name="count">The number of bytes available.</param>
        public void SetData(byte[] data, int index, int count)
        {
            using (MemoryStream ms = new MemoryStream(data, index, count, false))
                using (ZipHelperStream helperStream = new ZipHelperStream(ms))
                {
                    helperStream.ReadLEInt();             // Reserved
                    while (helperStream.Position < helperStream.Length)
                    {
                        int ntfsTag    = helperStream.ReadLEShort();
                        int ntfsLength = helperStream.ReadLEShort();
                        if (ntfsTag == 1)
                        {
                            if (ntfsLength >= 24)
                            {
                                long lastModificationTicks = helperStream.ReadLELong();
                                _lastModificationTime = DateTime.FromFileTime(lastModificationTicks);

                                long lastAccessTicks = helperStream.ReadLELong();
                                _lastAccessTime = DateTime.FromFileTime(lastAccessTicks);

                                long createTimeTicks = helperStream.ReadLELong();
                                _createTime = DateTime.FromFileTime(createTimeTicks);
                            }
                            break;
                        }
                        else
                        {
                            // An unknown NTFS tag so simply skip it.
                            helperStream.Seek(ntfsLength, SeekOrigin.Current);
                        }
                    }
                }
        }