shouldAlwaysShow property

bool shouldAlwaysShow
final

Shows or hides the trackball.

By default, the trackball will be hidden on touch. To avoid this, set this property to true.

Defaults to false.

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
          trackballBehavior: TrackballBehavior(enable: true, shouldAlwaysShow: true),
       ));
}

Implementation

final bool shouldAlwaysShow;