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Does UDF exist?
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Titre:
Versions des environnements
Visual FoxPro:
VFP 9 SP1
Divers
Thread ID:
01516054
Message ID:
01516063
Vues:
65
>>>Hi,
>>>
>>>Is there a method/approach to determine if a user-defined function exists? For example, say the application may or may not have a function MyFunct(). I thought that TYPE() would work but it does not seem to.
>>>Here is how I used TYPE() in this case:
>>>
>>>? TYPE('MyFunct()')
>>>
>>>
>>>But it seem to always return "U". Is there another method?
>>
>>
lbYesFunc = .t.
>>TRY
>>   lnResult = MyFunct()
>>CATCH
>>   lbYesFunc = .f. 
>>ENDTRY 
>>
>>IF NOT lbYesFunc
>>   MESSAGEBOX([Function don't exists])
>>ENDIF
>
>Thank you. I was hoping that I would not have to run/execute the function to find out if it exists. But if this is the only way, so be it.

Hi Dmitry,
I don't know another way.
_______________________________________________________________
Testing displays the presence, not the absence of bugs.
If a software application has to be designed, it has to be designed correctly!
_______________________________________________________________
Vladimir Zografski
Systems Analyst
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