//
// chartBox.connectWidgetDual(viewer, keyX, keyY3);
// chartBox.connectWidget(viewer, keyY3);
// chartBox.connectWidget(viewer, keyY4);
IKey dualKey = ChartViewerBox.createDualKey(keyY4, keyY5);
chartBox.connectWidget(viewer, dualKey);
chartBox.setSplitMatrixThroughColumns(dualKey, true);
viewer.setDataViewMarkerStyle(keyY5.getInformationKey(), IChartViewer.MARKER_BOX);
}