WPF布局间的切换方法

<StackPanel>
        <Button Content="wrap布局" Click="Button_Click" Width="100"></Button>
        <Button Content="stack布局" Click="Button_Click_1" Width="100"></Button>
        <ListBox Name="lb" HorizontalContentAlignment="Stretch">
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <Border BorderThickness="1" BorderBrush="Red">
                        <TextBlock Text="{Binding }"></TextBlock>
                    </Border>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>
    </StackPanel>

 public MainWindow()
        {
            InitializeComponent();
            List<string> list = new List<string>();
            for (int i = 0; i < 10; i++)
            {
                list.Add("item" + i);
            }
            lb.ItemsSource = list;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            lb.ItemsPanel = this.FindResource("one") as ItemsPanelTemplate;
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            lb.ItemsPanel = this.FindResource("two") as ItemsPanelTemplate;
        }
    }