It is parsed in that way, if the body was ContentTransferEncoded, it has been decoded to the correct bytes.
It will be a null reference (Nothing in Visual Basic) if this MimeMessagePart is a MultiPart message.
Use IsMultiPart to check if this MimeMessagePart is a MultiPart message.
Target Platforms: Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7