Thanks,
I tried this in PropType@mods=1, and it works(lots of interesting stuff to play with, by the way). Then I tried to put it in Init@mods=0 and store the reference in a Global for later use. I observed, no effect where I dropped the Xnode. No Icon, nothing. But, the Xnode front panel displayed the running as subVi symbol. Okay, closed labview completely, switched it back to PropType@mods=0, no change. Deleted it completly from the Xnode, no change. It appears that putting extNodeRefNum.Owner.OwningVI into Init@mods=0 ruins the Xnode for good. Could something be getting stuck in the LV2 globals?
-G