问UWP Mvvm棱镜ConfirgureContainer问题

EN

    protected override async void ConfigureContainer()

 protected override async void ConfigureContainer()
    {


        // register a singleton using Container.RegisterType<IInterface, Type>(new ContainerControlledLifetimeManager());
        base.ConfigureContainer();
        Container.RegisterInstance<IResourceLoader>(new ResourceLoaderAdapter(new ResourceLoader()));
        DocumentClient client = new DocumentClient(new Uri("https://docdb.etc/"),
             "my key", new ConnectionPolicy() { ConnectionMode = ConnectionMode.Direct });
        try
        {
            await client.OpenAsync();
        }
        catch (Exception ex)
        {

            throw new Exception("DocumentClient client could not open");
        }
        IDataAccessBM _db = new DataAccessDocDb(client, "ct", "ops");
        AddressSearch addresSearcher = new AddressSearch(_db, 4);
        StartUpArgs startUpArgs = new StartUpArgs
        {
            postCodeApiKey = "anotherKey",
            db = _db,
            fid = "bridge cars",
            dialogService = new DialogService(),
            addressSearcher = addresSearcher
        };
        startUpArgs.zoneSet = await _db.ZoneSetGetActiveAsync("another key");
        Container.RegisterInstance(startUpArgs);
    }