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Editorial Team
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Asked: 2026-05-25T06:17:19+00:00

Has anybody had any experience with COM / MFC trying to implement IConnectionPointContainer on

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Has anybody had any experience with COM / MFC trying to implement IConnectionPointContainer on an object extending from COleDocument (instead of COleControl) ? Can somebody please provide any tips, or a pointer to a guide on how to do this ? I need to implement notifications for objects that listen to changes to the document, which are made as part of implementations of another interface which is implemented by the Document.

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  1. Editorial Team

    MFC connection macros are not specific to COleControl but CCmdTarget. You can use DECLARE_CONNECTION_MAP/BEGIN_CONNECTION_MAP etc as long as your class is derived from CCmdTarget, and in this case, COleDocument is.

    Suggested reading:

    TN038: MFC/OLE IUnknown Implementation

    Connpts.exe sample demonstrates how to implement connection points and connection point sinks in Visual C++

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