MESSAGE_FLAG_PASS_BY_AREA
| MESSAGE_FLAG_PASS_BY_AREA);
if ((fHeader->flags & MESSAGE_FLAG_PASS_BY_AREA) != 0
header->flags |= MESSAGE_FLAG_PASS_BY_AREA;
fHeader->flags &= ~MESSAGE_FLAG_PASS_BY_AREA;
if ((fHeader->flags & MESSAGE_FLAG_PASS_BY_AREA) != 0
| MESSAGE_FLAG_PASS_BY_AREA);