C# (CSharp) SearchAll.Focus примеры использования

Пример #1

        public ProductView()
        {
            InitializeComponent();
            conn = new NpgsqlConnection(MainWindow.ConnectionString);
            conn.Open();

            ShowCategory();
            ShowProducts(0);
            SearchAll.Focus();
        }

Пример #2

 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     SearchAll.Focus();
     ShowCategory();
     ShowProducts(0);
 }