public MainWindow()
{
InitializeComponent();
FileIOLoading.ReadAlltoMem(); //Read collections from files
App.Update_Flights(); //Check for any flights that have taken off since last loading, and moves them as needed.
//Start a timer to call App.Update_Flights() every 5 minutes, for continuous flight management over time.
var startTimeSpan = TimeSpan.Zero;
var periodTimeSpan = TimeSpan.FromMinutes(5);
System.Threading.Timer timer1 = null;
timer1 = new System.Threading.Timer(_ => App.Update_Flights());
timer1.Change(startTimeSpan, periodTimeSpan);
}
void Application_Exit(object sender, ExitEventArgs e)
{
Console.WriteLine("App closing, saving to file");
FileIOLoading.WriteAlltoFile();
hasFirstLoaded = false;
}