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Question on EXTERNAL command
Message
De
28/07/2003 13:57:00
 
 
À
28/07/2003 13:48:40
Information générale
Forum:
Visual FoxPro
Catégorie:
Gestionnaire d'écran & Écrans
Divers
Thread ID:
00814214
Message ID:
00814223
Vues:
12
I think you dont need the EXTERNAL COMMAND in this scenario



>Below is code in a VFP app that also runs in FPD26. The FPD26 version runs a screen and the VFP version runs a form:
>
>
>#IF !'VISUAL' $ UPPER(VERSION())
>	DO co_prnt.spr
>#ELSE
>	DO FORM co_prnt.scx NAME oco_prnt LINKED
>#ENDIF		
>
>
>One of my coworkers modified it to now be the below code:
>
>
>#IF !'VISUAL' $ UPPER(VERSION())
>	DO co_prnt.spr
>#ELSE
>	EXTERNAL PROC co_prnt.scx
>	SET KEYCOMP TO DOS
>	DO FORM co_prnt.scx NAME oco_prnt LINKED
>	SET KEYCOMP TO WINDOWS
>#ENDIF		
>
>
>My question is why add the EXTERNAL PROC line? Isn't that NOT necessary in VFP? All functions running in the vfp8 form are contained in the form itself as properties of the form. I could understand a EXTERNAL FORM command if I was using macro substitution, but I'm not.
>
>TIA,
>Tracy
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