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Asked: 2026-05-11T05:10:41+00:00

I have a predefined TLB file, with IS8SimulationEvents wrapper method implementations, for instance: inline

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I have a predefined TLB file, with IS8SimulationEvents wrapper method implementations, for instance:

inline HRESULT IS8SimulationEvents::S8SimulationReset ( ) {     HRESULT _result = 0;     _com_dispatch_method(this, 0x1, DISPATCH_METHOD, VT_ERROR, (void*)&_result, NULL);     return _result; }

Using Oleview, I can see the IConnectionPointContainer interface attached to the COM object.

Question:

  • How do I implement the outgoing interface on a sink object, for the client to receive event notification from the COM object

Without:

  • ATL
  • MFC
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1 Answer

  1. This article explain how to implement connections points sources/sinks in plain C http://www.codeproject.com/KB/COM/com_in_c5.aspx

    Probably the whole series of articles ‘COM in plain C’ by Jeff Glatt are more than recommended if you want to understand COM at the low level.

    PD: Lambdasoft Comet is a framework that implement COM wrappers that doesn’t make use of ATL/MFC, it is pretty dated but if you want something simple it worth to take a look https://bitbucket.org/sofusmortensen/comet/ or http://www.lambdasoft.dk/comet/.

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