// Create the master chart
final InvientCharts masterChart = getMasterChart();
// Create detail chart
final InvientCharts detailChart = getDetailChart(masterChart);
// Register events
masterChart.addListener(new ChartZoomListener() {
@Override
public void chartZoom(ChartZoomEvent chartZoomEvent) {
// chartZoomEvent.getChartArea().get
DateTimeSeries masterChartSeries = (DateTimeSeries) masterChart