public LanguageHelper() { var container = (Application.Current.Resources["bootstrapper"] as AppBootstrapper).Container; this.eventAggregator = container.GetInstance(typeof(IEventAggregator), null) as IEventAggregator; this.storageService = container.GetInstance(typeof(IStorageService), null) as IStorageService; CultureInfo cultureInfo = null; var setting = storageService.GetCurrentLanguage(); if (setting != null) { cultureInfo = new CultureInfo(setting); } else { cultureInfo = CultureInfo.CurrentCulture; } SetLanguage(cultureInfo); }