/// <summary>
/// Refresh port settings from application settings.
/// </summary>
public void RefreshPortSettings()
{
if (!(comPort == null))
{
comPort.ChangeSettings(Settings.Default.ComPort, 115200, Parity.None, 8, StopBits.One, Handshake.None, "\r\n");
portStatusLabel.Text = comPort.PortName;
}
}