private void btn_sen_Click(object sender, RoutedEventArgs e)
 {
     _pipeClient = new PipeClientT();
     txt_resp.Text = _pipeClient.Send(txt_mess.Text , "DCCPipe", 4000);
 }
 private void btn_sen_Click(object sender, RoutedEventArgs e)
 {
     _pipeClient   = new PipeClientT();
     txt_resp.Text = _pipeClient.Send(txt_mess.Text, "DCCPipe", 4000);
 }