>I am considering using a form for my main menu of an application.
>I have found that this works ...
>
>My main program contains a call to the mainmenu form ...
>
>as in ...
>
>* main.prg
>do form mainmenu
>return
>
>and my mainmenu form is MODAL with buttons on it calling other MODAL forms.
>
>It seems to work. Any reasons not to do this ?

Don,
If you application lends itself to this type of design, go for it. However, some users may not like not being able to do multiple things within your application at one time. However, like I said, if your application requires that they finish one task before starting another, it's great.