>thisform.Lockscreen = .t. && don't make any changes appear until unlocked
>thisform.WindowState = 2 && maximize
>thisform.Lockscreen = .f. && all changes to the form's appearance now take effect
>thisform.visible = .t. && or if a Form from a class, simply invoke the Show method

If the form or _screen is not visible, does the LockScreen really do anything?