MESSAGE_FLAG_WAS_DROPPED
fMessage->fHeader->flags |= MESSAGE_FLAG_WAS_DROPPED;
fMessage->fHeader->flags &= ~MESSAGE_FLAG_WAS_DROPPED;
fMessage->fHeader->flags |= MESSAGE_FLAG_WAS_DROPPED;
fMessage->fHeader->flags &= ~MESSAGE_FLAG_WAS_DROPPED;
return (fHeader->flags & MESSAGE_FLAG_WAS_DROPPED) != 0;
&& (fHeader->flags & MESSAGE_FLAG_WAS_DROPPED) != 0;