Method Filesize

IO/Engys/vtkBTSReader.cxx:220–234

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
long vtkBTSReader::Filesize()
{
  if (Stream->SupportSeek())
  {
    long prevPosition = Stream->Tell();
    this->Stream->Seek(0, vtkResourceStream::SeekDirection::End);
    long endPosition = Stream->Tell();
    this->Stream->Seek(prevPosition, vtkResourceStream::SeekDirection::Begin);
    return endPosition;
  }
  else
  {
    return std::numeric_limits<long>::max();
  }
}

//------------------------------------------------------------------------------
void vtkBTSReader::InitReadProgress(unsigned long fileSize)