>>>No, my form does not react to ALT+- at all
>>>
>>>try
>>>

>>>oForm1 = createobject("form")
>>>oForm1.Show()
>>>

>>
>>
>>I get the menu on the form.
>
>ok I open doubleclick VFP9.exe in explorere window.
>
>I enter the code aboce in command window
>
>I press ALT+-
>
>Nothing happens.
>
>
>what do I wrong?

It doesn't work if titlebar is not visible otherwise no problem.