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Aborting a routine
Message
From
31/01/2017 23:48:20
 
 
To
31/01/2017 04:06:44
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
SAMBA Server
Database:
MySQL
Application:
Desktop
Miscellaneous
Thread ID:
01647222
Message ID:
01647238
Views:
44
Hi Al,

Thanks for your reply.

Yes, ESCAPE is set to ON. No code in the form's KeyPress event as well.

Will also tinker with your suggestions - use a variable instead of a form property.

Get back to you asap.

Are you still developing VFP apps may I ask?



>>Hi All,
>>
>>Is it possible to 'abort' some processing loop? I tried the code below (form method) to no avail:
>>
>>
>>
>>ON ESCAPE ThisForm.QuitProcess = .T.
>>
>>ThisForm.QuitProcess = .F.
>>
>>BEGIN TRANSACTION
>>
>>DO WHILE NOT ThisForm.QuitProcess 
>>     * here, we do stuff like calculations, record inserts
>>ENDDO
>>
>>IF ThisForm.QuitProcess
>>    ROLLBACK
>>ELSE
>>    COMMIT
>>ENDIF
>>
>>
>>Thanks in advance!
>
>Might be too obvious, but SET ESCAPE must be set to ON.
>
>Another thing to be wary of is, I don't know if ThisForm is still in scope during processing of an ON ESCAPE handler. To check you could reference the actual name of the form i.e.
>
>ON ESCAPE ActualNameOfForm.QuitProcess = .T.
>
>or, you could set and use a PRIVATE or PUBLIC memvar rather than a form property (if only for debugging purposes).
>
>Another thing you might need to check is if you've defined any code in the Form.KeyPress() or elsewhere that may get called.
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