John,

I don't have the TTS SDK so I can't tell you exactly how to use it. The MSDN issue that covers the TTS shows that you also have to call the Register() and Callback() methods. Have you done that? I don't know if the Callback object can be setup as a with a separate VFP COM object or not.

> I have try the MS TTS control using VFP. But it is not successful. I try the same statement in VB, it work. Can you tell me what's is going wrong??
> Statement:
> Command1_click()
> thisfom.TTS1.Speak ("Hello World")
>
> The TTS control have been added in form. It is the only code in the command button.