C# WPF程序引用WPFLocalizeExtension第三方库实现全球化

    public static class LangHelper
    {
        /// <summary>
        /// 根据关键字获取当前语言环境下的提示信息
        /// </summary>
        /// <param name="key"></param>
        /// <param name="resourceFileName"></param>
        /// <param name="addSpaceAfter"></param>
        /// <returns></returns>
        public static string GetLocalizedString(string key, string resourceFileName = "Langs", bool addSpaceAfter = false)
        {
            var localizedString = String.Empty;

            // Build up the fully-qualified name of the key
            var assemblyName = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;
            var fullKey = assemblyName + ":" + resourceFileName + ":" + key;
            var locExtension = new LocExtension(fullKey);
            locExtension.ResolveLocalizedValue(out localizedString);

            // Add a space to the end, if requested
            if (addSpaceAfter)
            {
                localizedString += " ";
            }

            return localizedString;
        }
    }

<Window
    ...
    xmlns:lex="http://wpflocalizeextension.codeplex.com"
    lex:LocalizeDictionary.DesignCulture="en-US"
    lex:ResxLocalizationProvider.DefaultAssembly="AppSample"
    lex:ResxLocalizationProvider.DefaultDictionary="Langs">
    <!-- 解释一下 -->
    <!--
    lex:LocalizeDictionary.DesignCulture="en-US" 默认en-US英文，zh-CN中文，这里采用英文
    lex:ResxLocalizationProvider.DefaultAssembly="AppSample" AppSample为程序集名称
    lex:ResxLocalizationProvider.DefaultDictionary="Langs"  找不到时，去找Langs资源下
    -->
    <!-- 其他代码 -->
</Window>  

4 GitHub

4.1 LocalizeExtension开源地址

https://github.com/XAMLMarkupExtensions/WPFLocalizationExtension

4.2 测试Demo地址

https://github.com/JeremyWu917/DynamicChangeLanguageSample

  作者：Jeremy.Wu
  出处：https://www.cnblogs.com/jeremywucnblog/
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