I can reproduce this by having a complex 2D chart that contains series made up of CustomPoints. It seems to occur when the chart is first rendering and the mouse is over the area where the chart is about to be drawn. Looking at the source code for TeeChart.dll version 3.2.3016.15521, I find public o...

How would you add a control to the ExtraLegend?

I would like to have a combobox in the legend. It does not appear obvious to me how I can accomplish this?

Is there a way you can add standard windows controls to the legend or do I have to draw everything myself?

We need to have a custom legend. We would like to show grouping of Series's. Need to have a combobox at the bottom of the series rectangle that allows the user to turn on and off certain types of series's based on some business logic that is custom to our application. I have investigated 2 approache...

I would be very greatful if an overload to the Add method was added that had the signature that looked like public void Add(Array xValues, Array yValues, Array zValues, Array colorValues) If this is not possible in the next release can you send a snippet of code that I might use to implement this in...