如何通过 XAML 绑定设置当前 CultureUI [英] How to set current CultureUI via XAML binding

问题描述

我有一个绑定到字符串的 TextBlock.我希望字符串显示在应用程序的当前 UI 文化中.我想在 XAML 中做到这一点.文本块很简单，如下所示.

I have a TextBlock bound to a string. I want the string to be displayed in current UI culture of the application. I want to do this in XAML. The text block is simple like below.

推荐答案

您需要设置 FrameworkElement.Language 属性.对整个应用程序执行此操作的最简单方法是覆盖 App 类静态构造函数中的属性元数据:

You need to set the FrameworkElement.Language property. The easiest way to do that for the whole application is to override the property metadata in the App class static constructor:

public partial class App : Application
{
    static App()
    {
        FrameworkElement.LanguageProperty.OverrideMetadata(
            typeof(FrameworkElement),
            new FrameworkPropertyMetadata(
                XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));
    }
}

如果您只想为特定控件设置区域性，可以将其 Language 属性绑定到数据上下文的属性:

If you only want to set the culture for a specific control, you can bind its Language property to a property of your datacontext:

<TextBlock Text="{Binding Something}" Language="{Binding TheLanguage}" />

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