Do you work with form with set property ShowWinodw = 2 - As-Top level form?

If you do, then LostFocus() of that form should work quite OK.

What exactly type of message do you want to show to users, is it =MESSAGEBOX?

>Hi all!
>I would like to trap lostfocus and gotfocus of VFP screen. For example, If I am working with a window of application's VFP, then I change into windows window of MS Word. As aresult my application's VFP appears a message to the user.
>Please help me.
>Canh