connectorLineColor property Null safety

Color? connectorLineColor
final

Color of the selection zooming tooltip connector line.

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
          primaryXAxis: NumericAxis(
            interactiveTooltip: InteractiveTooltip(connectorLineColor:Colors.red)),
       ));
}

Implementation

final Color? connectorLineColor;