带有ContextMenu的wpf listView不使用数据绑定显示数据

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="WPF ListView with ContextMenu" Height="450" Width="800">
    <Grid>
        <ListView x:Name="listView">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Name" Width="120" DisplayMemberBinding="{Binding Name}" />
                    <GridViewColumn Header="Age" Width="50" DisplayMemberBinding="{Binding Age}" />
                </GridView>
            </ListView.View>
        </ListView>
        <ContextMenu x:Name="contextMenu">
            <MenuItem Header="Delete" Click="Delete_Click" />
        </ContextMenu>
    </Grid>
</Window>

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();

        // 创建数据
        List<Person> people = new List<Person>
        {
            new Person { Name = "John", Age = 25 },
            new Person { Name = "Jane", Age = 30 },
            new Person { Name = "Bob", Age = 35 }
        };

        // 将数据添加到ListView中
        foreach (Person person in people)
        {
            listView.Items.Add(person);
        }
    }

    // 右键菜单的点击事件处理程序
    private void Delete_Click(object sender, RoutedEventArgs e)
    {
        // 在这里处理删除操作
        if (listView.SelectedItem != null)
        {
            listView.Items.Remove(listView.SelectedItem);
        }
    }
}