The Trackball behavior doesn't work as you've wrapped the template elements of the RadCartasianChart
in a StackPanel
. However the StackPanel
measures its children with infinity which sends incorrect information to the trackball elements and they cannot be properly displayed.
This is why you can either modify your template to follow the approach Evgenia suggested in this thread
or simply create a TextBlock
in your view and display it on top of the RadCartasianChart
. This would eliminate the need of editing the default ControlTemplate
of the component.
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