One of the limitations of TemplateBinding Markup in WPF is the fact that we cannot use it inside the ControlTemplate.Triggers because it really doesn’t work, since as Mike Hillberg said here , “TemplateBinding is a lightweight, but less functional, version...
The long wait has finished as the WPF Charting was made available on the last WPF Toolkit release of June 2009 and now we can use all those great charts that were available for Silverlight, now also in WPF. You can know more about this here .