Ionic.Zip.ZipInputStream.SetupStream C# (CSharp) Method

        private void SetupStream()
        {
            // Seek to the correct posn in the file, and open a
            // stream that can be read.
            _crcStream= _currentEntry.InternalOpenReader(_Password);
            _LeftToRead = _crcStream.Length;
            _needSetup = false;
        }