Mime |
protected virtual Task OnMimePartBeginAsync( ContentType contentType, long beginOffset, int beginLineNumber, CancellationToken cancellationToken )
Called when the beginning of a MIME part is encountered in the stream.
This method is always paired with a corresponding call to OnMimePartEndAsync(ContentType, Int64, Int32, Int64, Int64, Int32, CancellationToken) when the end of the MIME part is found.