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IMsgStore::Unadvise

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Cancels the sending of notifications previously set up with a call to the IMsgStore::Advise method.

HRESULT Unadvise(
  ULONG ulConnection
);

ulConnection

[in] The connection number associated with an active notification registration. The value of ulConnection must have been returned by a previous call to the IMsgStore::Advise method.

S_OK

The registration was successfully canceled.

The IMsgStore::Unadvise method cancels a registration for notification. Unadvise releases its pointer to the caller's advise sink, which it received in the Advise call used for registration.

Generally, Unadvise calls the advise sink's IUnknown::Release method during the Unadvise call. However, if another thread is in the process of calling the advise sink's IMAPIAdviseSink::OnNotify method, the Release call is delayed until the OnNotify method returns.

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