>#DEFINE WM_KEYUP 0x101
>#DEFINE VK_DOWN 0x28
>#DEFINE WM_QUIT 0x12
>#DEFINE WM_CLOSE 0x10
>#DEFINE WM_KEYDOWN 0x100
>
>I have see this conde in some api samples.
>There are many other wm_??? commands.
>Maybe wm_command.
>
>Where to know ohter wm_??? commands response in vfp.

There are literally several hundred of them; they're documented in the MSDN Library, and Dan Appleman's Win32 API book for VB has a reasonable selection documented.

>
>Thanks.
>Cemal