borderColor property Null safety

Color? borderColor
final

The color that fills the border with the title of the gauge.

Defaults to null.

Widget build(BuildContext context) {
   return Container(
       child: SfRadialGauge(
           title: GaugeTitle(
                   text: 'Gauge Title',
                   borderColor: Colors.red,
                     borderWidth: 1
                  )
       ));
}

Implementation

final Color? borderColor;