private void button_Copy_Click(object sender, RoutedEventArgs e)
 {
     HealthThermometerService.Stop();
     HealthThermometerService = null;
 }
 private void button_HT_2_Start_Click(object sender, RoutedEventArgs e)
 {
     HealthThermometerService = new HealthThermometer();
     HealthThermometerService.Start2();
 }