I'd use a tooltip. Wait Window is non-standard.

But, if you must

WAIT WINDOW "This window is lame" AT ThisForm.CheckBox.Top + ThisForm.CheckBox.Height, ThisForm,CheckBox.Left
>Hi,
>
>I have a check box with a message in When method to let user know that they cannot change value. Example:
>

>wait wind nowait "Please use button... to change value in this field" 
>RETURN .F.
>

>
>How can I define/calculate the AT coordinates of the WAIT command to make it appear under or over the check box? Basically closer to the checkbox.
>TIA