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Thursday, January 21, 2010

Cooking your own EllipseCOM

During a conversation with a reader on my blog post, it has come to my attention that I have missed a key piece of information with respect to MIMSX.

In order for one to build one's own aggregation server, apart from following the recipe you also need to use a version of MIMSX that is at least of version or later. Earlier version contains an internal setting bug making it an invalid candidate to aggregate.

Unfortunately, one cannot tell from a COM component's registered attributes or type library if it is supporting aggregation. You need to build the aggregation server to see if you can successfully create the aggregated component and wired up the query interface mechanism.

Also during instantiation, you must create an instance of the aggregation server and then query the interface of IMimsxServer; you do not create an instance of MIMSX.

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