public int SendMail(string fileName)
{
MapiMessage msg = new MapiMessage();
msg.subject = "LR Detect Tool Information";
msg.noteText = "See the attached file for details.";
msg.files = GetAttachments(fileName, out msg.fileCount);
int result = MAPISendMail(new IntPtr(0), new IntPtr(0), msg, 0x00000001 | 0x00000008, 0);
if (result > 1 || result < 0)
throw new System.InvalidOperationException();
return result;
}
static extern int MAPISendMail(IntPtr sess, IntPtr hwnd, MapiMessage message, int flg, int rsv);