在WPF中获取ComboBox中的属性值

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <ComboBox x:Name="MyComboBox" SelectionChanged="MyComboBox_SelectionChanged" Margin="5">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="{Binding Name}" Width="100"/>
                        <TextBlock Text="{Binding Age}" Width="50"/>
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
    </Grid>
</Window>

using System.Windows;
using System.Collections.ObjectModel;

namespace WpfApp1
{
    public partial class MainWindow : Window
    {
        public ObservableCollection<Person> Persons { get; set; }

        public MainWindow()
        {
            InitializeComponent();

            Persons = new ObservableCollection<Person>
            {
                new Person { Name = "张三", Age = 25 },
                new Person { Name = "李四", Age = 30 },
                new Person { Name = "王五", Age = 35 },
            };

            MyComboBox.ItemsSource = Persons;
        }

        private void MyComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var selectedItem = MyComboBox.SelectedItem as Person;
            if (selectedItem != null)
            {
                string name = selectedItem.Name;
                int age = selectedItem.Age;

                // 处理选中项的属性值
                MessageBox.Show($"选中的人的姓名为：{name}，年龄为：{age}");
            }
        }
    }

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