Usherb,
The following link on NI website would be a good starting point:
http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/c80752c53094c296862565f3007ac765?OpenDocument
Refer also to the links included in this webpage.
Cyril
Cyril Bouton
Active LabVIEW Developper