| Microsoft DirectX 9.0 |
This topic applies to Windows XP Service Pack 1 only.
The IMSVidStreamBufferSinkEvent interface is used to receive events from the MSVidStreamBufferSink object.
This interface is an outgoing connection-point interface. To receive events from a playback device, implement this interface and then call the IConnectionPoint::Advise method to establish a connection.
In addition to the methods inherited from IMSVidOutputDeviceEvent, the IMSVidStreamBufferSinkEvent interface exposes the following methods.
| Method | Description |
| CertificateFailure | The object failed to get an encryption/decription license. |
| CertificateSuccess | The object succeeded in getting an encryption/decription license. |