>I typically do the following:
>
>

>DO FORM e_custcv NAME Oe_custcv LINKED WITH lvchoice
>IF UPPER(TYPE('oe_custcv'))="O" .AND. Oe_custcv<>.NULL.
>	Oe_custcv.VISIBLE=.F.
>	Oe_custcv.RELEASE()
>ELSE
>	Oe_custcv=.NULL.
>	RELEASE Oe_custcv
>ENDIF
>

>However, couldn't I simply just do:
>

>DO FORM e_custcv NAME Oe_custcv LINKED WITH lvchoice
>RELEASE Oe_custcv
>

>
>Since the form is released when Oe_custcv is released (it runs the form's release method, does it not?), isn't the single line just as good?

To determine if variable exist ---

FUNCTION NoExistingVar
   LPARAMETERS cCheckVar
   hError= ON("ERROR")
   lNoVar= .F.
   ON ERROR lNoVar= .T.
   WAIT WINDOW NOWAIT STR(LEN(cCheckVar))
   WAIT CLEAR 
   ON ERROR &hError
   RETURN lNoVar