>>I believe you may be mistaken. It does have to do with SET NOTIFY. In my test form I have different behavior depending on this setting. I just dropped my class on the form and one regular textbox class. In the form's load I tried SET NOTIFY ON. In this case I see my error message (which is now wait window). If I put SET NOTIFY OFF, I do not see messagebox, but the focus stays in the control.
>
>How is ErrorMsg implemented? Maybe inside that function there is a piece of code like this:
>

>if set("notify")="ON" ;
>then
>   MessageBox(m.lpcMesssage)
>endif
>

>In the command window, type SET NOTIFY OFF, then issue MessageBox(), you'll see the message.

Dawa,

I'm sorry. I updated my message, but you and Nancy still replied on the original text. I believe, my ErrorMsg function was not defined (it is in utility), but I didn't see the error telling me this either. I hadn't yet tested this theory because I was busy answering you and Nancy :)