I have a problem trying to plot a note(annotation) on the chart (WindowsForms). So I created a simple project and repeated the procedure and the error still persists.
On the event Highlighted() of the chart, I tried to plot a note(annotation) by adding the 'Extention' chart.Extensions.Add (***), which is giving an error on the screen (one red'X'on the entire chart).
I'm using version 6.2 of the Chart. I wonder if there is a problem with this component on this version, because I did the same for version 7 and it worked.
(On my atual code I can not migrate to version 7, I m