private void NewVolumeStream()
{
CurrentStream++;
string newVolumeName = null;
int p = _archiveName.LastIndexOf(".");
if (p >= 0 && _altNames && (p + 1) == _archiveName.Length - 3)
{
if (CurrentStream == 0)
{
newVolumeName = _archiveName;
}
else
{
newVolumeName = _archiveName.Substring(0, p + 1) + (CurrentStream > 9 ? (CurrentStream > 99 ? CurrentStream.ToString() : "0" + CurrentStream) : "00" + CurrentStream);
}
}
else
{
newVolumeName = _archiveName + VolumeNumber(CurrentStream + 1);
}
Streams.Add(File.Create(newVolumeName));
Streams[CurrentStream].SetLength(_volumeSize);
StreamOffsets.Add(CurrentStream, new KeyValuePair <long, long>(0, _volumeSize - 1));
}