Did you ever try to read the online help first?
MyMessage.BodyFormat = MailFormat.Html;
ms-help://MS.VSCC.2003/MS.MSDNQTR.2005JUL.1033/cpref/html/frlrfSystemWebMailMailMessageClassBodyFormatTopic.htm
"la_gouyn" <la_gouyn@discussions.microsoft.com> ¼¶¼g©ó¶l¥ó·s»D:1F0E21CF-65CA-446D-B93A-858AC21A480B@microsoft.com...
> Does the .net framework provide any support for creating HTML Email
> messages?