如何在WPF中设计时显示多语言资源文本

<data name="Greeting" xml:space="preserve">
  <value>Hello, World!</value>
</data>

<data name="Greeting" xml:space="preserve">
  <value>你好，世界！</value>
</data>

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:system="clr-namespace:System;assembly=mscorlib">

    <system:String x:Key="Greeting">Hello, World!</system:String>
</ResourceDictionary>

<Window x:Class="MultiLanguageApp.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>
        <TextBlock Text="{StaticResource Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
    </Grid>
</Window>

using System.Globalization;
using System.Resources;
using System.Threading;
using System.Windows;

namespace MultiLanguageApp
{
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);

            // 设置当前线程的文化信息
            CultureInfo culture = new CultureInfo("zh-CN"); // 例如设置为简体中文
            Thread.CurrentThread.CurrentCulture = culture;
            Thread.CurrentThread.CurrentUICulture = culture;

            // 加载对应语言的资源文件
            ResourceDictionary rd = new ResourceDictionary();
            rd.Source = new Uri($"Resources/{culture.TwoLetterISOLanguageName}.xaml", UriKind.Relative);
            Resources.MergedDictionaries.Clear();
            Resources.MergedDictionaries.Add(rd);

            MainWindow mainWindow = new MainWindow();
            mainWindow.Show();
        }
    }
}

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <system:String x:Key="Greeting">你好，世界！</system:String>
</ResourceDictionary>

<Window x:Class="MultiLanguageApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        d:DataContext="{d:DesignData Source=DesignTimeData.xaml}"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <TextBlock Text="{StaticResource Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
    </Grid>
</Window>