SYMPTOM:
By default, the Time Series Slider widget does not have Dual-axis enabled in Strategy Web 9.x, as shown:

ACTION:
Follow the steps below in order to enable Dual-axis to the Time Series Slider widget.
1) In Design or Editable modes, define the underlying graph to the Time Series Slider widget as a Dual-axis subtype, as shown. To perform this action, select the graph and in the Graph menu change the second dropdown box, selecting the desired graph subtype. In this example, Vertical Bar: Dual-axis stacked and Combination: Dual Axis Bar Area:

2 – In Flash mode, right click on the widget and select the Properties option.
3 – Check the box “Inherit graph formatting” as in the picture below:

NOTE:
This option is not enabled by default, so the changes in the graph properties will not be reflected in the widget until this option is checked.
4 – After enabling this option, the Time Series Slider widget is displayed with Dual-axis enabled, as shown:
