ChartView doesn't support range selection out of the box. But you can see our SDK example TimeBarOverChartView
which demonstrates one possible approach for implementing a mixed functionality between TimeBar and ChartView (including range selection).
Another possibility is to use Sparkline
inside the TimeBar as in the picture you sent (you can see a sample implementation in RadTimeBarOverview
exampe). Please have in mind that the Sparkline is comparable to the chartview in some ways but in order to maximize performance there are some limitations and
spark lines do not utilize this many visual indicators, as well as x or y axis or multiple axes. So, it depends on your scenario which control would be more suitable.
I hope this information will help you and don't hesitate to write back if you have more questions.
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