public FacebookAuthorizationView()
        {
            InitializeComponent();

            if (!DesignerProperties.IsInDesignTool)
                DataContext = new FacebookAuthorizationViewModel();
        }
        public FacebookAuthorizationView()
        {
            InitializeComponent();

            if (!DesignerProperties.IsInDesignTool)
            {
                DataContext = new FacebookAuthorizationViewModel();
            }
        }