public int Forward(IntPtr destinationHandle) { if (_msg.Init() == -1) { return(-1); } int receiveMore; int bytesSent; do { if (LibZmq.zmq_msg_recv(_msg, SocketHandle, 0) == -1) { return(-1); } if (GetReceiveMore(out receiveMore) == -1) { return(-1); } if ((bytesSent = LibZmq.zmq_msg_send(_msg, destinationHandle, receiveMore == 1 ? (int)SocketFlags.SendMore : 0)) == -1) { return(-1); } }while (receiveMore == 1); if (_msg.Close() == -1) { return(-1); } return(bytesSent); }