/// <summary>
/// Flushes one or more streams.
/// </summary>
/// <param name="sourceReader">A valid IMFSourceReader instance.</param></param>
/// <param name="streamIndex">The streamIndex(s) to flush.</param>
/// <returns>If this function succeeds, it returns the S_OK member. Otherwise, it returns another HResult's member that describe the error.</returns>
public static HResult Flush(this IMFSourceReader sourceReader, SourceReaderStreams stream)
{
if (sourceReader == null)
{
throw new ArgumentNullException("sourceReader");
}
return(sourceReader.Flush((int)stream));
}