/// <summary>
 /// Determines whether or not the values of this event have changed since the previous
 /// </summary>
 public bool HasChangedSince(DailyFx previous)
 {
     return(Importance != previous.Importance ||
            Meaning != previous.Meaning ||
            Actual != previous.Actual ||
            Forecast != previous.Forecast ||
            Previous != previous.Previous ||
            Commentary != previous.Commentary ||
            Value != previous.Value);
 }
 private static string MakeKey(DailyFx data)
 {
     return(data.EventDateTime + data.Title);
 }