synchronization of a listbox and a chart legend

Hi all

I'm working on a code where I would be able to select/deselect 50 locations on a XY Chart.  Due to the relatively large number of field names, it makes sense to place them in a scrolling caption or listbox.

Problem is (AFAIK), the legend of the parcel can not be used to * easily * plots do disappear and appear with a single click - must right click, go to colors and select transparent, etc. and then reverse the procedure to return the plot.

An alternative might be to use a list box 10 long lines as main indicator, then use some of its properties to create a dynamic chart borrowed from a second hidden chart legend.  This legend of the plot to reconfigure its colors of dynamic line/symbol based on where the user is in the scrolling list box.

A problem I encountered is that the Label.ScrollPosition property is not going to write an indicator for me.  See the code example.

Top row provides comments in the list box, but not enough information to do the job properly.

Any thoughts?

Kind regards

Ted

Hi to know the position of the list box item...

Try this...

>

Tags: NI Software

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