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How to return value from DoDefault()?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP1
Divers
Thread ID:
01506997
Message ID:
01507085
Vues:
38
>>Hi,
>>
>>I have a method in the base class (e.g. method name BEFORE_PROCESS) that returns .T. or .F.
>>
>>I want the child class of this class to have its own code before calling the parent BEFORE_PROCESS. Therefore, the pseudo code in the child method BEFORE_PROCESS is:
>>
>>
>>nChoice = messagebox("question ...")
>>if nChoice = 7
>>   RETURN .F.
>>endif 
>>
>>*-- now calling the method of the parent class
>>DODEFAULT()
>>
>>*-- but how to capture the return value in the parent method so that to return from here?  
>>
>>
>>
>>TIA.
>
>I see Naomi and Viv have answered your question. Just a minor stylistic suggestion -- if you include FOXPRO.H, you can code this
>
>if nChoice = IDNO
>
>instead of this
>
>if nChoice = 7
>
>Maybe it's just personal preference but I think the first way is much more readable than using a magic number. Likewise, I prefer the dialog box options spelled out rather than using numbers.

Thank you.
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