borderWidth property Null safety

double? borderWidth
final

Border width of the series.

Note: This is not applicable for line, spline, step line, and fast line series types.

Defaults to 0

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           series: <LineSeries<SalesData, String>>[
                  LineSeries<SalesData, String>(
                      borderWidth: 5,
                 ),
            ],
       ));
}

Implementation

final double? borderWidth;