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Can a COM EXE access a property from the parent?
Message
De
05/09/1999 21:42:36
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00261170
Message ID:
00261681
Vues:
22
>>The COM EXE cannot access the properties, methods, etc of the parent because they run in different memory space.
>
>Sure it can. Precisely because it is a COM object and COM supports accessing
>methods and properties across all COM boundaries including over remote
>machines.
>
>If you pass a ref to another object that object is fully functional.
>
>The problem Sylvain is seeing is not related to the object reference
>but to the way he's trying to get at the property, which is more like
>using events. Assign methods won't fire over COM at least not when you're
>going the indirect route - meaning you never instantiated the original
>object as a COM object - VFP is simply (well, actually not so simply)
>marshalling a non-COM object as a COM object. In this process is where
>the Assign problem occurs.
>
>The concept needs to be put on its head using client pull rather
>than server push. The server should set a value on its own members
>to be retrieved by the client which has a reference to the server.
>That way you can bypass the circular references altogether.


Thanks for the clarification.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer
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