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VARTYPE() vs PEMSTATUS()
Message
De
08/01/2009 22:24:28
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01372210
Message ID:
01372231
Vues:
21
>>>>Is there any difference between these two functions - Dragan's anticipated comments aside - or advantage of one over the other?
>>>>
>>>>IF VARTYPE( THISFORM.tmrCheckMousePosition ) = 'O'
>>>>
>>>>
>>>>IF PEMSTATUS(THISFORM.tmrCheckMousePosition,'O',3)
>>>>
>>>
>>>The second syntax is incorrect.
>>>
>>>PEMSTATUS()
>>>
>>>If you need to check for a property or a method, use pemstatus. Otherwise you may check with vartype. It all depends on what you're trying to do.
>>
>>Syntax aside, obviously I'm checking to see if an object exists. Just an exacto knife and a pencil, Nadya.
>
>In this case, I would try to use GETPEM() or check for type('myObject.myOtherObject.Name') = 'C'

Did you mean 'O' instead of 'C' ? I'm checking for an object.
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