IMFPresentationClock::AddClockStateSink method (mfidl.h)

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

Syntax

HRESULT AddClockStateSink(
  [in] IMFClockStateSink *pStateSink
);

[in] pStateSink

Pointer to the object's IMFClockStateSink interface.

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.

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

Requirement	Value
Minimum supported client	Windows Vista [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2008 [desktop apps \| UWP apps]
Target Platform	Windows
Header	mfidl.h
Library	Mfuuid.lib