enableTrackball property

Enables or disables the trackball for this series. Trackball will display more details about data points when tapping the data point region.

Defaults to true.

 Widget build(BuildContext context) {
  return SfCartesianChart(
    trackballBehavior: TrackballBehavior(
      enable: true,
    ),
    series: <CartesianSeries<_SalesData, String>>[
      LineSeries<_SalesData, String>(
        enableTrackball: false,
      ),
    ],
  );
}