Customising grouped trackball appearance

Question

I have multiple series in a chart using a track ball and have grouped the labels using LabelDisplayMode="GroupAllPoints".

I am able to customise the appearance of each label using TrackBallLabelTemplate.

What I am wondering is if it is possible to customise the appearance of the grouped chart track ball container and the dividers it automatically creates?

Durgadevi Selvaraj · Answer

Hi Chris,  
 
Thanks for contacting Syncfusion Support. 
 
We have analyzed your requirement to customize the entire trackball label when it is grouped, and currently we don’t have direct way to apply the template. However, we have prepared a workaround solution for this requirement by extending ChartTrackballBehavior and adding the custom view. 

Please find the sample from below link, 
Sample:Custom_Trackball 
 
Please find the reference output screenshot below, 
  
Please let us know if you have any concerns on the above solution. 
 
Regards,  
Durgadevi S