he "workbook activation" event is fired when the Activate function of the
workbook's interface is invoked. The OnWorkbookActivate property provides
facilities for trapping such event. Examine the following example code.
The output of the signature() method reveals that the event handler should
take one argument. We define such handler and pass it to the "bind" method.
Consequently, invoking the "Activate" method passes control to the event
handler as indicated by the output.