bindSeries method
Implementation
void bindSeries(ChartSeries series) {
_series = series;
_viewRefreshCallback ??= (value) {
if (value == ChartSeries.actionInvalidate.value) {
invalidate();
} else if(value==ChartSeries.actionReLayout.value) {
requestLayout();
}
};
series.addListener(_viewRefreshCallback!);
}