Try
KEYBOARD "{F4}" PLAIN CLEAR
>Sorry, I just found out that Setting on WINXP Language for non-Unicode programs cause the problem.
>
>Once I set it to Chinese (PRC), the combo will no drop down.
>
>But I still could manually press alt+downarrow to drop down the combo.
>
>Any suggest for auto drop down.
>
>TIA.
--sb--