/// <summary>
/// Event handler for StartedOrLanded events
/// </summary>
/// <param name="sender">sender of the event</param>
/// <param name="e">event arguments</param>
private void OnStartedOrLanded_handler(object sender, FlightEventArgs e)
{
Console.Out.WriteLine($"Extrafunktion: {e.FlightNo}: {e.FlightAction}, {e.DateTime} ");
StartsAndLandings.Text += $"Flight {e.FlightNo} is {e.FlightAction} at {e.DateTime}\n";
}
