|  | Experimental | 
 Syntax
Syntaxprotected override void OnMimePartContentBegin( long beginOffset, int beginLineNumber, CancellationToken cancellationToken )
 Remarks
RemarksCalled when the beginning of a MIME part's content is encountered in the stream.
This method is always paired with a corresponding call to OnMimePartContentEnd(Int64, Int32, Int64, Int32, NullableNewLineFormat, CancellationToken).
 See Also
See Also