将Feature/XP.Common和Feature/XP.Hardware分支合并至Develop/XP.forHardwareAndCommon，完善XPapp注册和相关硬件类库通用类库功能。
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QI Mingxuan
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using XP.Common.Localization.Enums;
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namespace XP.Common.Localization.ViewModels
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{
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/// <summary>
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/// 语言选项数据模型 | Language option data model
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/// 用于在 UI 中显示可选语言 | Used to display available languages in UI
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/// </summary>
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public class LanguageOption
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{
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/// <summary>
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/// 语言枚举值 | Language enum value
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/// </summary>
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public SupportedLanguage Language { get; }
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/// <summary>
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/// 显示名称 | Display name
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/// </summary>
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public string DisplayName { get; }
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/// <summary>
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/// 语言标志/图标 | Language flag/icon
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/// </summary>
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public string Flag { get; }
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/// <summary>
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/// 构造函数 | Constructor
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/// </summary>
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/// <param name="language">语言 | Language</param>
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/// <param name="displayName">显示名称 | Display name</param>
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/// <param name="flag">标志 | Flag</param>
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public LanguageOption(SupportedLanguage language, string displayName, string flag = "")
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{
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Language = language;
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DisplayName = displayName;
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Flag = flag;
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}
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}
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}
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@@ -0,0 +1,209 @@
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Windows;
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using Prism.Commands;
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using Prism.Mvvm;
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using XP.Common.Localization.Enums;
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using XP.Common.Localization.Interfaces;
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using XP.Common.Logging.Interfaces;
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namespace XP.Common.Localization.ViewModels
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{
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/// <summary>
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/// 语言切换器 ViewModel | Language switcher ViewModel
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/// 提供语言选择和切换功能 | Provides language selection and switching functionality
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/// </summary>
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public class LanguageSwitcherViewModel : BindableBase
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{
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private readonly ILocalizationService _localizationService;
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private readonly ILocalizationConfig _config;
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private readonly ILoggerService _logger;
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private LanguageOption? _selectedLanguage;
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/// <summary>
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/// 选中的语言选项 | Selected language option
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/// </summary>
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public LanguageOption? SelectedLanguage
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{
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get => _selectedLanguage;
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set
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{
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if (SetProperty(ref _selectedLanguage, value))
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{
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ApplyCommand.RaiseCanExecuteChanged();
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UpdatePreviewTexts();
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}
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}
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}
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/// <summary>
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/// 可用语言列表 | Available languages list
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/// </summary>
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public IEnumerable<LanguageOption> AvailableLanguages { get; }
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/// <summary>
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/// 应用按钮命令 | Apply button command
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/// </summary>
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public DelegateCommand ApplyCommand { get; }
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private string _previewRestartNotice = string.Empty;
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/// <summary>
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/// 预览重启提示文本 | Preview restart notice text
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/// </summary>
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public string PreviewRestartNotice
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{
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get => _previewRestartNotice;
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set => SetProperty(ref _previewRestartNotice, value);
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}
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private string _previewApplyButtonText = string.Empty;
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/// <summary>
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/// 预览应用按钮文本 | Preview apply button text
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/// </summary>
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public string PreviewApplyButtonText
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{
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get => _previewApplyButtonText;
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set => SetProperty(ref _previewApplyButtonText, value);
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}
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/// <summary>
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/// 构造函数 | Constructor
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/// </summary>
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/// <param name="localizationService">本地化服务 | Localization service</param>
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/// <param name="config">本地化配置 | Localization configuration</param>
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/// <param name="logger">日志服务 | Logger service</param>
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public LanguageSwitcherViewModel(
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ILocalizationService localizationService,
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ILocalizationConfig config,
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ILoggerService logger)
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{
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_localizationService = localizationService ?? throw new ArgumentNullException(nameof(localizationService));
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_config = config ?? throw new ArgumentNullException(nameof(config));
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_logger = logger.ForModule<LanguageSwitcherViewModel>();
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// 初始化可用语言列表 | Initialize available languages list
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AvailableLanguages = new[]
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{
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new LanguageOption(SupportedLanguage.ZhCN, "简体中文", "🇨🇳"),
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new LanguageOption(SupportedLanguage.ZhTW, "繁體中文", "🇹🇼"),
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new LanguageOption(SupportedLanguage.EnUS, "English", "🇺🇸")
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};
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// 设置当前选中的语言 | Set currently selected language
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var currentLang = localizationService.CurrentLanguage;
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foreach (var lang in AvailableLanguages)
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{
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if (lang.Language == currentLang)
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{
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_selectedLanguage = lang;
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break;
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}
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}
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// 初始化命令 | Initialize commands
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ApplyCommand = new DelegateCommand(OnApply, CanApply);
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// 初始化预览文本 | Initialize preview texts
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UpdatePreviewTexts();
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}
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/// <summary>
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/// 更新预览文本 | Update preview texts
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/// </summary>
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private void UpdatePreviewTexts()
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{
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if (_selectedLanguage == null)
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return;
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// 获取选中语言的 CultureInfo | Get CultureInfo for selected language
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var previewCulture = GetCultureInfo(_selectedLanguage.Language);
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// 使用选中的语言获取本地化文本 | Get localized text using selected language
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PreviewRestartNotice = _localizationService.GetString("Settings_Language_RestartNotice", previewCulture);
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PreviewApplyButtonText = _localizationService.GetString("Button_Apply", previewCulture);
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}
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/// <summary>
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/// 判断是否可以应用 | Determine if can apply
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/// 与配置文件中已保存的语言比较 | Compare with saved language in config
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/// </summary>
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private bool CanApply()
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{
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if (_selectedLanguage == null)
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return false;
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// 获取配置文件中已保存的语言 | Get saved language from config
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var savedLanguage = _config.GetSavedLanguage() ?? _localizationService.CurrentLanguage;
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return _selectedLanguage.Language != savedLanguage;
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}
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/// <summary>
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/// 应用语言切换 | Apply language change
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/// </summary>
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private void OnApply()
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{
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if (_selectedLanguage == null)
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return;
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try
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{
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var newLanguage = _selectedLanguage.Language;
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_localizationService.SetLanguage(newLanguage);
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_logger.Info($"Language switched to {newLanguage}");
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// 显示重启提示对话框 | Show restart prompt dialog
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MessageBox.Show(
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_localizationService.GetString("Settings_Language_SavedRestartRequired"),
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_localizationService.GetString("Dialog_Notice"),
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MessageBoxButton.OK,
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MessageBoxImage.Information);
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// 更新命令状态 | Update command state
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ApplyCommand.RaiseCanExecuteChanged();
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}
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catch (Exception ex)
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{
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_logger.Error(ex, $"Failed to switch language to {_selectedLanguage.Language}");
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// 显示错误对话框 | Show error dialog
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var errorMsg = string.Format(
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_localizationService.GetString("Settings_Language_SwitchFailed"),
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ex.Message);
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MessageBox.Show(
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errorMsg,
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_localizationService.GetString("Dialog_Error"),
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MessageBoxButton.OK,
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MessageBoxImage.Error);
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// 恢复到之前的语言 | Restore previous language
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var currentLang = _localizationService.CurrentLanguage;
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foreach (var lang in AvailableLanguages)
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{
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if (lang.Language == currentLang)
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{
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_selectedLanguage = lang;
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RaisePropertyChanged(nameof(SelectedLanguage));
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break;
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}
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}
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}
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}
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/// <summary>
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/// 获取语言对应的 CultureInfo | Get CultureInfo for language
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/// </summary>
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private CultureInfo GetCultureInfo(SupportedLanguage language)
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{
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return language switch
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{
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SupportedLanguage.ZhCN => new CultureInfo("zh-CN"),
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SupportedLanguage.ZhTW => new CultureInfo("zh-TW"),
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SupportedLanguage.EnUS => new CultureInfo("en-US"),
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_ => new CultureInfo("zh-CN")
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};
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}
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}
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}
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