var mpc_sender = new TcpClientSender(tcpclient);
tcpclient.addResponseListener(tramp_mpc_recv);
mpc = new Mpc(mpc_sender, update_ui);
var mpc_sender = new TcpClientSender(tcpclient);
tcpclient.addResponseListener(tramp_mpc_recv);
mpc = new Mpc(mpc_sender, update_ui);