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Highlighting single point in Line Graph

Apr 7, 2011 at 1:05 PM

Is there any way to highlight the nearest point in the graph related to my mouse cursor position? I am adding 2 line Graphs to the plotter. Now when I keep the mouse on the chart control the closest point near to the mouse should be highlighted. I have seen sample codes such as 'CircleElementPointMarker' but here all the available points would be highlighted. I dont want this feature. Just need only one point to be highlighted.

Any help would be greatly appreciated.