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Error if 'object not defined'
Message
 
 
À
06/05/2008 15:39:32
Information générale
Forum:
Visual FoxPro
Catégorie:
Programmation Orientée Object
Versions des environnements
Visual FoxPro:
VFP 7 SP1
OS:
Windows XP SP2
Network:
Windows 2000 Server
Database:
Visual FoxPro
Divers
Thread ID:
01315416
Message ID:
01315506
Vues:
13
>I check to see if my hidden scteen is an object.
>
IF TYPE('myobj')='O'
> An error occurs if the object is not defined.
>
>Is there a better way?
>
>Thanks, Randy

Randy,

You can check

vartype(m.myObject) = 'O' && works only for simple objects, for the object property on another object you may use GETPEM() or PEMSTATUS() or TYPE()

Or

type('m.myObject') = 'O' and not ISNULL(myObject)
If it's not broken, fix it until it is.


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