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Error Handling Priority
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De
25/09/2013 14:29:32
 
 
À
25/09/2013 13:03:21
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01584109
Message ID:
01584122
Vues:
38
Thanks for your time and effort.

>you could have instead
>
>objectName = ".lblBoard"+TRANSFORM(iBoard)
>if type(m.objectName) == 'O'
>  .removeObject(m.objectName)
>else
>  exit
>endif
>
>
>
>>What is the sequence in which error handling is processed? In my particular instance, I'm trying to remove from a page in a pageframe all labels of a certain name. I'm doing this in the valid of a textbox on the main form. My code is
>>WITH thisform.pframe
>>     .
>>     some code
>>     .
>>	WITH .pgPassFail
>>		** Remove the "Board Number" objects from the pass/fail page
>>		iBoard = 0
>>		DO WHILE .T.
>>			iBoard = iBoard + 1
>>			TRY
>>				.RemoveObject(".lblBoard"+TRANSFORM(iBoard))
>>			CATCH
>>				EXIT
>>			ENDTRY
>>		ENDDO
>>	ENDWITH
>>     .
>>     more code
>>     .
>>ENDWITH
>>
>>I know there are other (probably better) ways of doing this. I'm not looking for help on that as I'm (pretty sure I can work that out on my own. But........
>>
>>when the object doesn't exist, I would have expected the TRY/CATCH block to kick in and execute the code in the CATCH section. Instead, the form ERROR method is invoked
>>
>>So. Assuming that all of the following exist
>>
>>1. ON ERROR
>>2. Form Error Method Code
>>3.. Control Error Method Code
>>4. TRY/CATCH code
>>
>>What is the sequence in which the error checking takes place?
>>
>>Thanks...........Rich
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