private void OnProviderFlightsUpdated(object sender, FlightsEventArgs e)
{
HashSet <string> hashSet = BuildListOfFlights();
if (!hashSet.SetEquals(activeFlights ?? new HashSet <string>()))
{
activeFlights = hashSet;
OnFlightsUpdated();
}
}
private void OnFlightsUpdated(object sender, FlightsEventArgs e)
{
SetFlightsTelemetry();
}