Raised by a stream sink when the rate has changed.
Possible values retrieved from IMFMediaEvent::GetValue include the following.
||No event data.
If a stream sink supports rate changes, it sends this event after the rate change is complete. The event is sent once for each call to the sink's IMFClockStateSink::OnClockSetRate method. If the rate change is not successful, the event status value is an error code.
|Minimum supported client
||Windows Vista [desktop apps only]
|Minimum supported server
||Windows Server 2008 [desktop apps only]