public static extern int MAPISendMail(
IntPtr aSession,
IntPtr aHandle,
SMapiMessage aMessage,
int aFlags,
int aReserved
);
public virtual void StartMail()
{
if (_To.Count == 0)
{
_To.Add("");
}
SMapiMessage lMessage = new SMapiMessage();
lMessage.subject = Subject;
lMessage.noteText = Body;
lMessage.recips = getRecipients(out lMessage.recipCount);
lMessage.files = Attachments.getAttachments(out lMessage.fileCount);
MAPISendMail(new IntPtr(0), new IntPtr(0), lMessage, MAPI_DIALOG, 0);
}