private void GetAirlines()
{
Service.BeginGetAirlines(SelectedAirport.Id, CreateAsyncCallback(ar => Service.EndGetAirlines(ar),
result =>
{
var selectedAirline = SelectedAirline;
Airlines = new ObservableCollection<Airline>(result);
SelectedAirline = selectedAirline != null
? Airlines.FirstOrDefault(a => a.Id == selectedAirline.Id)
: null;
}),
null);
}
private void FixupAirline(Airline previousValue, bool skipKeys = false)
{
if (IsDeserializing)
{
return;
}
if (Airline != null)
{
AirlineId = Airline.Id;
}
else if (!skipKeys)
{
AirlineId = null;
}
if (ChangeTracker.ChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("Airline")
&& (ChangeTracker.OriginalValues["Airline"] == Airline))
{
ChangeTracker.OriginalValues.Remove("Airline");
}
else
{
ChangeTracker.RecordOriginalValue("Airline", previousValue);
}
if (Airline != null && !Airline.ChangeTracker.ChangeTrackingEnabled)
{
Airline.StartTracking();
}
}
}
public bool Equals(Airline other)
{
if (ReferenceEquals(null, other)) return false;
if (ReferenceEquals(this, other)) return true;
if (other.Id == 0 && Id == 0)
return false;
else
return other.Id == Id;
}