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Development Working Around TlbImp's Cleverness

TlbImp, the .Net tool to create Interop assemblies from COM type libraries, contains an optimization that presumably aims at making the consumption of the Interop assembly easier, but ultimately is a nuisance. Consider the following IDL code: import "oaidl.idl"; import "ocidl.idl"; [ uuid( a657ef35-fea1-40ad-86d8-bb7b6085a0a3 ), version( 1.0 ) ] library Test { [ object, uuid( 84b2f017-b8fe-4c2c-87b8-0587b4bf5507 ), version( 1.0 ), oleautomation ] interface IFoo : IUnknown { HRESULT Foo(); } [ object, uuid( 13d950d6-beb3-4dd3-957b-88b0e5eb5e3f ), version( 1. Continue »