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IMFPresentationClock::AddClockStateSink method

Registers an object to be notified whenever the clock starts, stops, or pauses, or changes rate.

Syntax

C++


HRESULT AddClockStateSink(
  [in] IMFClockStateSink *pStateSink
);

Parameters

pStateSink [in]: Pointer to the object's IMFClockStateSink interface.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

Remarks

Before releasing the object, call IMFPresentationClock::RemoveClockStateSink to unregister the object for state-change notifications.

Requirements

Minimum supported client	Windows Vista [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2008 [desktop apps \| Windows Store apps]
Header	Mfidl.h
Library	Mfuuid.lib