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Try/Catch
Message
De
07/08/2007 11:23:25
 
 
À
07/08/2007 11:17:51
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Titre:
Versions des environnements
Visual FoxPro:
VFP 8 SP1
Divers
Thread ID:
01246493
Message ID:
01246497
Vues:
24
Try/catch is for ERRORS, not for regular conditions. You -may- use the ERROR command to raise fake errors, but that's not what try/catch is meant for. But it fits your purpose, it's yur choice.

>Not sure. I'm going to be testing for a number of conditions, whenever m.MyVariable = .T. then I want to immediately kickout. If this isn't a good application of TRY/CATCH, then what is? I'm just trying to use functionality that's available and this sounded like a good fit.
>
>
>>Why do you need TRY..ENDTRY? It sounds like IF..ENDIF or DO CASE will do.
>>
>>>In the TRY block I want to test for certain conditions, if those conditions prove false, then I want to go to the CATCH block and do some other stuff. I think I should use THROW, but I can't figure out how to do it. I'm new to using the TRY/CATCH stuff.
>>>
>>>
>>>TRY
>>>
>>>   Bunches of code...
>>>
>>>CATCH TO oException (come here if a variable in the TRY block proves false - not sure I even need oException here)
>>>
>>>   IF oException.ErrorNo = 1
>>>      STRTOFILE("Error occurred at: " + TRANSFORM(DATETIME());
>>>         + CHR(13),"C:\Errors.log",.T.)
>>>   ENDIF
>>>
>>>FINALLY
>>>
>>>   RETURN .T.
>>>
>>>ENDTRY
>>>
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