Dan,
For the last day or so I've been trying to wrap my head around how LV implements OOP. The examples included with LV weren't cutting it for me. Then I came across a NI Week presentation with example code while browsing the NI web site. I understood this example code better than any of the examples included with LV. Maybe it can help you too.
http://secure.niweek.com/published/I80_Geh...resentation.zip
Have fun with it.