Activates an annotation (a click, or Enter on the focused one): a link raises ActionRequested for its destination or each action of its action tree; a widget gets focus, a check box toggles and a radio button turns on (unless read-only), and its own action, if any, is raised; any other annotation is selected.
public void Activate(AnnotationTarget target)
The annotation.
ISO 32000-2 §12.5.6.5 (Dest, A), §12.6.2 (Next), §12.7.5.2.3-12.7.5.2.4 (check boxes, radio buttons).