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Don't store object variables in the SPM

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Some MTS/COM+ newbies wonder whether it is legal to store object variables in the SPM.

No, you can't!! the SPM is unaware of Apartment marshaling issues. If you ask the SPM for an interface pointer while running in an apartment that is different from the one where the interface pointer resides the SPM will blindly pass you the rough interface pointer without marshaling it, thus violating COM rules (and your app will randomly fail). Park the interface pointer in the GIT and park the GIT cookie in the SPM.


Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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