>>- In VFP main screen and other apllications that opened before running
>> function "fontmenu(.T.)", menu font not change.
>>
>>So, with only the function "fontmenu(.T.)", VFP main screen is not update
>>menu font.
>
>I know there's a setting somewhere that tells a Windows app to look for Font
>changes. As soon as I get a chance, I'll look this up.

I was thinking of the SendMessage() API call and the WM_FONTCHANGE message, but it looks like that's for informing other programs that you've installed or removed fonts. You might have better luck asking on the MSNews server.