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Re-try with TRY/CATCH
Message
De
16/12/2008 06:31:46
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP
Network:
Windows 2003 Server
Database:
MS SQL Server
Divers
Thread ID:
01367724
Message ID:
01367772
Vues:
10
This message has been marked as a message which has helped to the initial question of the thread.
>>>Something like
>>>
>>>FOR lnI = 1 TO 2
>>>	TRY
>>>		&tcSql
>>>	CATCH TO loEx
>>>		_CLIPTEXT = m.tcSql
>>>		IF lnI = 1 AND loEx.ERROR = 108  && File is in use by another user
>>>
>>>			DECLARE INTEGER Sleep IN Win32API INTEGER cMilliseconds
>>>			=Sleep(0.5*1000) && wait half a second
>>>** we're going to re-try
>>>		ELSE
>>>                                               * the normal catch code
>>>                                               lnI = 10 && to fall out the loop
>>>                                          ENDIF
>>>                         ENDTRY
>>>NEXT
>>
>>(1) What if there's no error ?
>>(2) I prefer EXIT instead of lnI = 10
>> - more readable
>> - what if you decide to try 10 or 15 times (or step -1) and forget to change lnI = 10 ?
>
>Good point about no error! I forgot about it. I guess I need to add some extra check in FINALLY clause for this too.
>
>I don't like EXIT in principle :)

As I explained to Agnes, I do not feel the need to convince, just to point it out
(1) If you are happy setting the variable, then by all means do
(2) One day you may regret (1)
Gregory
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