Change scale legend programatically?

Is there any way to change the scale legend programattically? I have a graph with two plots and two y-scales. I won't know if the second plot refers to the first or second scale until run-time. I'd like to adjust the scale legend appropriately. I can hide the scale on the graph and associate the plots with the correct scales. I cannot, however, find any way to turn off the display of the second scale in the scale legend. The only thing I can seem to do is turn the visibility of the scale legend on or off entirely.

You can programmatically modify the scale legend, some properties in LV 6 and 7, however in 8, most of that functionality was taken out. Now you can only choose to show all of the legend or none of it, you can do this programmatically, but there is not a function to let you control only some legends at a time.
Regards,
Andrew
National Instruments
RIO Embedded Hardware PSE
CompactRIO Developers Guide

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