John,
If this is an event that Agent raises when it starts speaking there is no way to hook it from VFP. If Agent is a droppable control on a form/class or is subclassable you could add code to that method of the instance/subclass.
> I am using MS Agent for my application. When I issue speak command to read out the word, the MS Agent will automatically response to a event call RequestStart....how could i do so in vfp?? The following are the code should be in VB...
>
>Event:
>Sub Agent1_RequestStart(ByVal Request)
> *whatever
>endsub