isTrackVisible property
Renders column with track. Track is a rectangular bar rendered from the start to the end of the axis. Column series will be rendered above the track.
Defaults to false.
Widget build(BuildContext context) {
  return SfCartesianChart(
    series: <StackedColumnSeries<SalesData, num>>[
      StackedColumnSeries<SalesData, num>(
        isTrackVisible: true,
      ),
    ],
  );
}
Implementation
final bool isTrackVisible;