private void WKL_StopEvent()
 {
     PDataChart.Series[0].Points.Clear();
     PDataChart.ResetAutoValues();
     PDataTable.Rows.Clear();
     P_TSB_STOP.Enabled  = false;
     P_TSB_Pause.Enabled = false;
     P_TSB_GO.Enabled    = true;
 }
 private void CountControl()
 {
     if (PDataChart.Series[0].Points.Count >= sett.max_number)
     {
         //int NumberRows = PDataTable.Rows.Count;
         int NumberPoints = PDataChart.Series[0].Points.Count;
         for (int ii = 1; ii <= NumberPoints - sett.max_number; ii++)
         {
             PDataChart.Series[0].Points.RemoveAt(0);
             PDataChart.ResetAutoValues();
             //
             PDataTable.Rows.RemoveAt(0);
         }
     }
 }