Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
New VFP feature I didn't know about. Did you?
Message
From
21/07/2000 02:43:20
 
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Miscellaneous
Thread ID:
00395202
Message ID:
00395237
Views:
11
>Hi John,
>If it makes you feel any better, I found this out only a month ago. FPW did not do this and if I changed the alias inside the loop, I'd add the select alias at the end of the loop without thinking. I never thought to test it any other way.
>
>>Hey UT folks -
>>Sometimes I feel like a total idiot savant with VFP. Some features I know as well as the people who designed them, then I hit something like this .. which is probably something everyone but me knew about.
>>
>>Here's the feature I didn't know about, but came across by accident:
>>
>>Did you know that when you issue a SCAN/ENDSCAN VFP automatically flips a SELECT back to the correct file when hitting the ENDSCAN without you having to explicitly doing so?
>>
>>Here's an example program:
>>
>>SELECT j1
>>
>>SCAN
>> SELECT j2
>> LOCATE FOR ord = j1->rec
>> IF NOT FOUND()
>> APPEND BLANK
>> REPLACE ord with j1->rec
>> ENDIF
>>ENDSCAN
>>
>>Now I would have expected this to bomb, because I didn't issue a 'SELECT j1' after the REPLACE and there's no 'ord' field on the 'j2' file. But when the program hits the ENDSCAN, it reverts to 'j1' automatically!
>>
>>Please someone tell me this is new and not been around since VFP 3 or FoxPro 1.0. Yeesh!

Larry,

Are you sure this didn't work in FPW? I seem to remember it working in FPD.

John,

I'm pretty sure this was something they fixed in one of the many releases of FPD 2.0, back before Microsoft took over.
Fred
Microsoft Visual FoxPro MVP

foxcentral.net
Previous
Reply
Map
View

Click here to load this message in the networking platform