Take a look at Re: Shortcut menu relative to command button Message #867967.

>I would like to display a popup menu right above a button?
>For example, I define the popup menu in a Click() method of a
>button and then display it using the following sample code:
>
>

>define popup MyPopMenu shortcut relative from nRow,nCol
>

>
>But I always have to try different values of nRow and nCol until I
>get this menu displayed above the button. Is there a better method
>of determining these coordinates?