>>>>I was kind of confused reading your answer. I had tested it with _vfp.hwnd and thisform.hwnd prior to posting
>>>>
>>>>Anyway, glad it helps - when your form has a caption, this is
>>>
>>>So now I need a good idea how to invoke it. Normaly this should be "Alt"+"-" but VFP for some reasons does not open the menu (that's why I end up trying to open it via code). "Alt"+"-" otoh will not be traceable via KEYPRESS.
>>>
>>>Any suggestions how to solve this?
>>
>>If I have understood well -
>>
>>

>>#define WM_COMMAND 0x0111
>>#define WM_SYSCOMMAND	0x0112
>>
>>#define SC_SIZE         0xF000 
>>#define SC_MOVE         0xF010 
>>#define SC_MINIMIZE     0xF020 
>>#define SC_MAXIMIZE     0xF030 
>>#define SC_NEXTWINDOW   0xF040 
>>#define SC_PREVWINDOW   0xF050 
>>#define SC_CLOSE        0xF060 
>>#define SC_VSCROLL      0xF070 
>>#define SC_HSCROLL      0xF080 
>>#define SC_MOUSEMENU    0xF090 
>>#define SC_KEYMENU      0xF100 
>>#define SC_ARRANGE      0xF110 
>>#define SC_RESTORE      0xF120 
>>#define SC_TASKLIST     0xF130 
>>#define SC_SCREENSAVE   0xF140 
>>#define SC_HOTKEY       0xF150 
>> 
>>#define SC_DEFAULT      0xF160 
>>
>>#define	WM_CHAR 0x0102
>>
>>#if .f.
>>&& maximize by sending keystroke
>>=postmessage(m.thisform.hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0)
>>=postmessage(m.thisform.hwnd, WM_CHAR , asc(space(1)), 0)
>>=postmessage(m.thisform.hwnd, WM_CHAR , asc('x'), 0)
>>
>>#else
>>&& maximize by sending command
>>=postmessage(m.thisform.hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0)
>>
>>#endif
>>

>
>(@.@ )
>
>If I undersand your code it maximes the form via postmessage.
>
>This is not my problem.
>
>I know (thank you) how to open the windows menu (formerly known as windows system menu).
>
>The problem I have now is the catch the keycombination that should do this.
>
>Windows standard would be "Alt"+"-". A plain VFP form will not act as supposed, the windows menu will not open on this key.
>I like to use keypress to read the key and call your code, but Keypress will not be calles if I hit "Alt"+"-".
>
>So this is my problem, how to invoke the windows menu if I hit "Alt"+"-"
>
>Agnes

I do not think you can intercept ALT+-

What you could do is intercept another key, NODEFAULT and then use (one or more) postmessage()

Doesn't the form react to ALT+- ?