Re: ActiveX events not firing in WTL app

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Wed, 18 Apr 2007 10:47:51 -0400
Message-ID:
<evv$KicgHHA.2332@TK2MSFTNGP04.phx.gbl>
NickP <a@a.com> wrote:

   I have an ActiveX control situated on a dialog in a WTL
application. I used the wizard in order to create the necessary
event code and a SYNC_MAP has been created, with the appropriate
callback methods. Everything compiles and runs fine but none of the
events are fired.
   For example, the control displays pages of a document and an event
is raised when a page is changed...

-------------

BEGIN_SINK_MAP(CDocumentView)
   SINK_ENTRY(IDC_VSPDFVIEWER, 201, OnPageChangeVspdfviewer)
END_SINK_MAP()

void __stdcall OnPageChangeVspdfviewer();


Show the declaration of CDocumentView. Is it derived from
IDispEventImpl? What parameters are passed to IDispEventImpl?

Try replacing SINK_ENTRY with SINK_ENTRY_EX, explicitly listing the DIID
of the source interface. SINK_ENTRY tries to automatically detect the
control's default source interface. Many controls don't support such
detection.
--
With best wishes,
    Igor Tandetnik

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