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How to activate the trackball on touch?

 

Trackball will be activated once you long-press anywhere on the chart area, but this behavior can be overridable by activating the trackball manually using Show and Hide method of ChartTrackballBehavior.

 

In the following CustomeTrackballBehavior class, the trackball is activated in OnTouchMove method and deactivated in OnTouchUp method of ChartTrackballBehavior.

 

XAML

 

C#

 

Article ID: Published Date: Last Revised Date: Platform: Control:
8620 03/22/2018 03/23/2018 Xamarin.Forms SfChart
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