private void SaveChanges_Click(object sender, RoutedEventArgs e)
        {
            if (DAO.ApiPathExists(txbHarvestAPI.Text))
            {
                LoginScreen loginScreen = new LoginScreen();
                loginScreen.Show();

                var configFile = ConfigurationManager.OpenExeConfiguration(System.Reflection.Assembly.GetExecutingAssembly().Location);
                configFile.AppSettings.Settings["HarvestAPIFolder"].Value = txbHarvestAPI.Text;
                configFile.Save();

                this.Hide();
            }
        }
        public ValidationScreen()
        {
            viewModel = new ValidationScreenViewModel();

            InitializeComponent();

            base.DataContext = viewModel;

            //DAO dao = new DAO();

            if (DAO.ApiPathExists(DAO.ApiPath))
            {
                LoginScreen loginScreen = new LoginScreen();
                loginScreen.Show();
                this.Hide();
            }
        }