The vendor has an IVI driver (see Types of Instrument Drivers) as well as the USB driver. The USB driver makes it appear as a serial port. Is that what you have or is it GPIB or Ethernet?
In any case, I did not use the IVI driver. I wrote a LabVIEW driver and for information on how to do that, there is a section on the main Instrument Driver Network. Personally, I think creating a LabVIEW driver for a power supply is pretty simple but then I've been doing it for quite a few years and I'm not a big fan of IVI. You might want to give the IVI driver a try.
And no, I cannot provide the code for the LabVIEW driver. Sorry.
