Location:
MIUTDEF.H
const TMsvEmailTypeList KMsvEmailTypeListMHTMLMessage;
Flags that a new message should be of MHTML type.
If this is not set, a plain-text message is created.
const TMsvEmailTypeList KMsvEmailTypeListInvisibleMessage;
Flags that a new message should be invisible.
const TMsvEmailTypeList KMsvEmailTypeListMessageInPreparation;
Flags that a new message should have the "in preparation" flag set.