private void HandleWeatherForecastEvent(object sender, WeatherEventArgs e)
{
Debug.Print($"Subscriver {id} received event: {e.Date}, {e.Temeperature}");
}
protected virtual void OnRaiseWeatherForecastEvent(WeatherEventArgs e)
{
//WeatherForecastEvent(this, e);
WeatherForecastEvent?.Invoke(this, e);
}