No, you cannot. From VFP help: "To return a value to the TO VarName clause in the DO FORM command, use the RETURN command in the Unload event".
There's something wrong with your design if you have to call a form to just return a value.

>I call a form like this
>
>

>DO FORM c:\frmkey.scx WITH 'MARB65042713' TO tnam
>

>
>In the init of the frmkey form i have pout this code
>
>

>IF Thisform.recherche(tcVal) > 1
>    Thisform.ConfigKey(tcValRech,tcVal)
>    Thisform.configgrd(ALLTRIM(UPPER(tcValRech)))
>    GO TOP
>    Thisform.Refresh
>ELSE
>    RETURN thisform.valret
>    RETURN .f.
>ENDIF 	
>

>
>In The Recherche Method I init the valret property
>and i need to have this value in the tnam variable
>Is it possible
>
>Benoit