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How to determine if an object exists
Message
From
11/05/1998 01:29:37
Cetin Basoz
Engineerica Inc.
Izmir, Turkey
 
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00098172
Message ID:
00098426
Views:
35
>>After some chat with you, now I also agree that TYPE([oControl.Name]) = "C" is enough. As I learned :
>>- Scatter name oName wouldn't be treaded like a real object.
>>- And with that exception Name property cannot be prevented to be seen.
>>Cetin
>
>I'm mostly curious, and totaly new to the Universal Thread, but wouldn't it be better to test TYPE didn't return an "O", like the following?
>
> IF TYPE([oControl.Name]) != "O"
> *the objet does not exist
> *create it if you need it
> ENDIF
I'm not new to UT but reading the whole thread you would see how much should I be confused with this. In the end I think I'll take the long way and use type()+isnull() to check. For now I'll think names can be protected or hidden. At least now I'm sure type()+isnull() has correct info.
Cetin
Çetin Basöz

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