private void Delegate81GTS1(string[] frequency)
        {
            TestF(ref Test81GTS1, ref optionButton1, ref optionButton2, ref optionButton3, ref SI81GTS1, ref NO81GTS1, frequency[0], frequency[1], frequency[2], double.Parse(Time_81GTS1.Text) * 1.03 + 0.02, ref T81GTS1rilevato);
        }

   private void Test81GTS1_Click(object sender, EventArgs e)
        {
             Button Bt = (Button)sender;
             if (Bt.Text == "Annulla")
             {
                 Interruzione(Bt, null/*new Exception("Prova interrotta dall'utente")*/);
                 Form1_Pulsanti(Bt, "Time");
                 return;
             }
             else
             {
                 
                 Hz81GTS1impostata.Text = string.Format("{0:0.00}", End81GTS1step * Convert.ToDouble(Setting_81GTS1.Text));
                 Hz81GTS1impostata.Refresh();
                 string StartF = "" + (Start81GTS1step * double.Parse(Setting_81GTS1.Text));
                 StartF = StartF.Replace(',', '.');
                 string StopF = Hz81GTS1impostata.Text.Replace(',', '.');
                 string tStart = string.Format("{0:0.00}", Convert.ToDouble(Hz81GTS1impostata.Text) - 0.01).Replace(',', '.');
                 T81GTS1rilevato.Text = "";
                 if (Time_81GTS1.Text == "")
                 {
                     MessageBox.Show("Impossibile eseguire la prova se non viene inserito il valore del tempo guida", "ATTENZIONE", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                     return;
                 }
                 else
                 {
                     string[] data = { StartF, StopF, tStart };
                     prova = new Thread(Delegate81GTS1);
                     prova.Start(data);
                 }
             }
        }