Regarding MAPI - How to get the MIME message buffer of any mail received on Outlook - VC++

 
I am developing a plugin for outlook .
I want to create a MIME message buffer of the mails received on outlook using MAPI.
Presently,I am using MAPI properties like PR_TRANSPORT_MESSAGE_HEADERS, PR_BODY, PR_HTML_BODY, PR_RTF_COMPRESSED, PR_ATTACH_DATA_BIN, etc and then I construct a buffer in RFC 822 format .
But still i am not able to construct a complete MIME buffer.
For example, i do not know how to retrieve the following parts as it in MIME :

------=_NextPart_000_0021_01C9E2E0.DFF273D0
Content-Type: text/html;
    charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

------=_NextPart_000_0021_01C9E2E0.DFF273D0
Content-Type: image/jpeg;
    name="ATT00226.jpg"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
    filename="ATT00226.jpg"

Is there a way by which i can get the complete message buffer in MIME format.