ControlName_UIMessageEvent ( msg)
Handles UIMessage events as ActiveX events.
You must implement this method if you are writing a user interface and you want to receive UIMessages as ActiveX events. If you are using the TestStand ActiveX control in Microsoft Visual Basic, double-click the TestStand control icon on your form to implement the ActiveX event callback.
msg As UIMessage
[In] The UIMessage that TestStand passes to your event.