This is called by the MyPortalContentView, which aggregates all the intrinsic portlet views. This method calls DisplayPortlet() in order to generate the HTML specific to the portlet. If a form is required, then the HTML returned from DisplayPortlet() is put into a form.
HTMLElement
IntrinsicPortletView Class | com.plumtree.portaluiinfrastructure.intrinsicportlets Namespace | IView#Display