本地化问题 - Windows 8.1 App

Question

我无法更改应用的语言。当用户更改组合框中的所选项目时，应更改语言。

以下是我的部分代码的片段：

protected override void OnLaunched(LaunchActivatedEventArgs args)
    {        
       ResourceContext.GetForCurrentView().QualifierValues.MapChanged += QualifierValues_MapChanged;

    }

private void QualifierValues_MapChanged(IObservableMap<string, string> sender, IMapChangedEventArgs<string> @event)
    {
        ResourceContext.ResetGlobalQualifierValues();
    }

组合框代码是：

private void cbLanguage_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        if (e.AddedItems.Count > 0 && !String.IsNullOrEmpty(((ComboBoxItem)e.AddedItems[0]).Tag as string))
        {
            LocalizationManager.UICulture = new System.Globalization.CultureInfo((string)((ComboBoxItem)e.AddedItems[0]).Tag);
            Windows.Globalization.ApplicationLanguages.PrimaryLanguageOverride = LocalizationManager.UICulture.Name;
            int index = 0;
            if (cbLanguage.SelectedIndex == 0 || cbLanguage.SelectedIndex < 0)
            {
                index = cbLanguage.Items.Count - 1;
            }
            else
            {
                index = cbLanguage.SelectedIndex - 1;
            }

            Windows.Globalization.ApplicationLanguages.PrimaryLanguageOverride = (string)((ComboBoxItem)cbLanguage.Items[index]).Tag as String;
            Windows.Globalization.ApplicationLanguages.PrimaryLanguageOverride = ((ComboBoxItem)e.AddedItems[0]).Tag as String;

            if (languageChange != null)
            {
                languageChange(sender, new EventArgs());
            }
        }
        else
        {
            LocalizationManager.UICulture = System.Globalization.CultureInfo.CurrentUICulture;
        }
    }

这会返回访问冲突错误。

你可以帮助我，让应用程序正确更改语言吗？

Answer 1

代码正在设置Windows.Globalization.ApplicationLanguages.PrimaryLanguageOverride三次。这是什么原因？

设置primay语言后，为什么要更改索引并再次设置语言？

if (cbLanguage.SelectedIndex == 0 || cbLanguage.SelectedIndex < 0)
        {
            index = cbLanguage.Items.Count - 1;
        }
        else
        {
            index = cbLanguage.SelectedIndex - 1;
        }