This functionality is supported only if you are using the Classic Agent.
In Internet Explorer, ActiveX controls may be dynamically windowed, which means their windows may come and go, or change location as the object is scrolled in and out of view. Consequently, recording declarations and actions against such objects can be tricky. You can achieve the most consistent results by bringing the ActiveX control into full view when recording declarations, classes, or actions. If you don't bring the ActiveX control into full view, Silk Test Classic might not recognize it correctly.