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Registers an object to be notified whenever the clock starts, stops, or pauses, or changes rate.
Syntax
HRESULT AddClockStateSink(
[in] IMFClockStateSink *pStateSink
);
Parameters
[in] pStateSink
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 |
|---|---|
|
The method succeeded. |
Remarks
Before releasing the object, call IMFPresentationClock::RemoveClockStateSink to unregister the object for state-change notifications.
Requirements
| 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 |