MESequencerSourceTopologyUpdated event
Raised by the sequencer source when the IMFSequencerSource::UpdateTopology method completes asynchronously.
Event values
Possible values retrieved from IMFMediaEvent::GetValue include the following.
| VARTYPE | Description |
|---|---|
| VT_UI4 |
Sequencer element identifier of the topology that is being updated. The application specifies this value in the dwId parameter of the UpdateTopology method. |
Remarks
This event signals that the sequencer source has updated the topology, but does not mean that the topology is ready for playback. The application should wait for the MESessionTopologyStatus event.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|
See also