/// <summary>
/// Adds MVC view and data annotations localization services to the application.
/// </summary>
/// <param name="builder">The <see cref="IMvcCoreBuilder"/>.</param>
/// <param name="localizationOptionsSetupAction">An action to configure
/// the <see cref="LocalizationOptions"/>. Can be <c>null</c>.</param>
/// <param name="format">The view format for localized views.</param>
/// <param name="dataAnnotationsLocalizationOptionsSetupAction">An action to configure
/// the <see cref="MvcDataAnnotationsLocalizationOptions"/>. Can be <c>null</c>.</param>
/// <returns>The <see cref="IMvcCoreBuilder"/>.</returns>
/// <remarks>
/// Adding localization also adds support for views via
/// <see cref="MvcViewFeaturesMvcCoreBuilderExtensions.AddViews(IMvcCoreBuilder)"/> and the Razor view engine
/// via <see cref="MvcRazorMvcCoreBuilderExtensions.AddRazorViewEngine(IMvcCoreBuilder)"/>.
/// </remarks>
public static IMvcCoreBuilder AddMvcLocalization(
this IMvcCoreBuilder builder,
Action <LocalizationOptions>?localizationOptionsSetupAction,
LanguageViewLocationExpanderFormat format,
Action <MvcDataAnnotationsLocalizationOptions>?dataAnnotationsLocalizationOptionsSetupAction)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder
.AddViewLocalization(format, localizationOptionsSetupAction)
.AddDataAnnotationsLocalization(dataAnnotationsLocalizationOptionsSetupAction));
}