dback 77,
please refer to the following links:
http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/fdbbd2bba6084d9b86256682005e9758?OpenDocument
http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/9c8e33ee09a131868625668d0077ff45?OpenDocument
Cyril Bouton
Applications Engineering
National Instruments
Cyril Bouton
Active LabVIEW Developper