The function name should be ShowWindow as I corrected in DECLARE.

>OK, thanks, but what should it be then, SHOWWINDOW or showwindow?
>
>>It's case sensitive.
>>
>>>Any idea why the following line would create the error "Cannot find entrypoint SHOWWINDOW in DLL" on a windows xp standalone workstation?
>>>
>>>DECLARE ShowWindow IN WIN32API INTEGER lnhWnd, INTEGER lnStyle
>>>
>>>This is ocurring on a Windows XP system. Surprisingly, this error just started ocurring whereas it passed by this line fine up until today and I cannot locate any differences between yesterday and today on this WinXP system.
>>>
>>>TIA,
>>>Tracy