public void OpenDevice()
{
if (_gps != null) {
return;
}
_gps = new GpsUnit(new NmeaSerialPort("COM2", 19200));
_gps.LocationChanged += OnLocationChanged;
}
public void CloseDevice()
{
if (_gps == null) {
return;
}
_gps.LocationChanged -= OnLocationChanged;
((IDisposable)_gps).Dispose();
_gps = null;
}
