The form has to be closed eventually. :)

>I've check it, and it seems like a Bug for me too,but... if the problem is the closable property, maybe a NODEFAULT could work.
>
>

>public oForm
>oForm = CREATEOBJECT("myForm")
>oForm.Show()
>DEFINE CLASS myForm as FORM
>   KeyPreview = .t.
>   Closable = .T.
>   PROCEDURE KeyPress
>   LPARAMETERS nKeyCode, nShiftAltCtrl
>     MESSAGEBOX(nKeyCode)
>   ENDPROC
>   PROCEDURE QueryUnload
>      NODEFAULT
>   ENDPROC
>ENDDEF
>

>
>Of course, this is not a complete Workaround, but at least, he could use the F5 key, while SP1 is released.
>
>
>>If I remember correctly, it's a bug in VFP8. The KeyPress event doesn't fire for F5 if Closable Property of a Form set to .F. I'm unaware about any workarouns.
>
>>>I can't capture F5 on keypress event of a textbox, everything works fine on VFP7. This is the code:
>>>
>>>IF nKeyCode = -4
>>> Do something....
>>>
>>>ENDIF