experimental async entry point for wpf app

App.cs

/// <summary>
    /// Entry Point of the App
    /// </summary>
    public partial class App
    {
        private CancellationTokenSource _mainTokenSource;
        private TaskScheduler _mainScheduler;

        public TaskFactory MainFactory()
            => new TaskFactory(
                _mainTokenSource.Token,
                TaskCreationOptions.None,
                TaskContinuationOptions.None,
                _mainScheduler);

        protected override async void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);

            _mainTokenSource = new CancellationTokenSource();
            _mainScheduler = TaskScheduler.FromCurrentSynchronizationContext();

            // Real entry point for full async app :)
            await MainFactory().StartNew(() =>
            {

            });
        }

        protected override void OnExit(ExitEventArgs e)
        {
            if(!_mainTokenSource.IsCancellationRequested)
                _mainTokenSource.Cancel();

            base.OnExit(e);
        }
    }