private IEnumerable <Stream> GetAllStreams()
{
yield return(PrimaryStream);
foreach (var stream in OtherStreams.Where(x => x != null))
{
yield return(stream);
}
}
public override long Seek(long offset, SeekOrigin origin)
{
if (!CanSeek)
{
throw new InvalidOperationException("Not all stream are seekable");
}
var result = PrimaryStream.Seek(offset, origin);
foreach (var stream in OtherStreams.Where(x => x != null))
{
stream.Seek(offset, origin);
}
return(result);
}