selectionGesture property Null safety

ActivationMode selectionGesture
final

Gesture for activating the selection. Selection can be activated in tap, double tap, and long press.

Defaults to ActivationMode.tap.

Also refer ActivationMode.

SelectionBehavior _selectionBehavior;

@override
void initState() {
 _selectionBehavior = SelectionBehavior( enable: true);
 super.initState();
}

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           selectionGesture: ActivationMode.doubleTap,
           series: <BarSeries<SalesData, num>>[
               BarSeries<SalesData, num>(
                 selectionBehavior: _selectionBehavior
               ),
             ],
         )
    );
}

Implementation

final ActivationMode selectionGesture;