*/
public void on_data_available(DataReader reader) {
MessageDataReader messagedatareader = MessageDataReaderHelper.narrow(reader);
Message tab_message [] = new Message [1] ;
SampleInfo tab_Sample [] = new SampleInfo[1] ;
tab_Sample[0] = new SampleInfo(0,0,0,new Time_t(0,0),0,0,0,0,0,0);
tab_message[0] = new Message("");
MessageSeqHolder seqofmessage= new MessageSeqHolder(tab_message);
SampleInfoSeqHolder seqofsample = new SampleInfoSeqHolder(tab_Sample);
messagedatareader.take(seqofmessage,seqofsample,0,0,0,0);
fenetre.SetText(seqofmessage.value[0].mess);