Hi Fly,
By "external click", I assume you are referring to a link or button outside the chart.
You may refer to the Interactive Finance Chart sample code for an example. In this
example, there are a lot of controls on the left side, which can be used to add/remove lines
on the chart on the right side. Another example is the "Zooming and Scrolling with Track
Line (Web)" sample code, which contains checkboxes to show/hide lines.
Regards
Peter Kwan |