onTooltipRender property

ChartTooltipCallback? onTooltipRender
final

Occurs while tooltip is rendered. You can customize the position and header. Here, you can get the text, header, point index, series, x and y-positions.

TooltipBehavior _tooltipBehavior;

@override
void initState() {
  _tooltipBehavior = TooltipBehavior( enable: true);
  super.initState();
 }

Widget build(BuildContext context) {
    return Container(
        child: SfCartesianChart(
            tooltipBehavior: _tooltipBehavior,
            onTooltipRender: (TooltipArgs args) => tool(args)
        )
    );
}

void tool(TooltipArgs args) {
   args.locationX = 30;
}

Implementation

final ChartTooltipCallback? onTooltipRender;