private void FanSpeedChanged_Event(object sender, EventArgs e) { int printerFanSpeed = PrinterConnectionAndCommunication.Instance.FanSpeed0To255; fanSpeedDisplay.SetDisplayString("{0}%".FormatWith((int)(printerFanSpeed * 100.5 / 255))); doingDisplayUpdateFromPrinter = true; if (printerFanSpeed > 0) { toggleSwitch.Checked = true; } else { toggleSwitch.Checked = false; } doingDisplayUpdateFromPrinter = false; }