- Create a combo box chart by dragging it into the screen.

- Set up the list of values of the combo box.
- Take note the name of the combo box (right click on the combo box and click on Properties). You can of course change the default name.

- Right click on the chart you want to hide/show and click on the Properties button
- Set the properties Visible as follows: =parameter.ComboBoxName == ‘VALUE_TO_SHOW’
