Hello,
I have updated ParallelVarFiler to version 1.22,
now SaveToStream() , SaveToString() and SaveToFile() are
thread safe, but you must pass a filename to the constructor
before using them.
You can download ParallelVarFiler version 1.22 from:
http://pages.videotron.com/aminer/
Thank you,
Amine Moulay Ramdane