modify plot name

[lmtis]

I am modifying a program that has an XY Graph on the front panel.  It has 5 plots.  When I started working on it it had the first 3 plots shown in the plot legend.  I have added a second Y scale and made the last 2 plots visible in the legend.  I then change the names of the last two from plot 3, plot 4 to something meaningful, and assign plot 2 and plot 4 to the second Y scale.  When I run the VI the names of 3 & 4 revert to plot 3,4 and plot 4 reverts to the first Y scale.  I tried this programatically, with assign the active trace etc. but I can only change the attributes of the first three plots.  What's up with that?

[lmtis · Accepted solution]

I left out one detail in the first posting.  The chart gets it's data from a sub-vi, which was created using "create sub-vi".  The data is passed to the chart via property node.  I destroyed the reference, control refnum, and property node.  Then I changed the plot names and axis assignments, and then recreated the reference, control refnum, and property node.  All is well.