public override long Seek(object clientData, long offset, SeekOrigin origin)
{
T2P t2p = clientData as T2P;
if (t2p == null)
throw new ArgumentException(Tiff2PdfConstants.UnexpectedClientData, "clientData");
if (!t2p.m_outputdisable && t2p.m_outputfile != null)
return t2p.m_outputfile.Seek(offset, origin);
return offset;
}