かけがえのない愛

private static void EnablingAlternateLanguages(SPSite site, SPWeb web)
{
    SPWebTemplateCollection templates = site.GetWebTemplates(web.Language);
    SPWebTemplate template = templates[web.WebTemplate];

    if (template.SupportsMultilingualUI)
    {
        web.IsMultilingual = true;

        SPLanguageCollection installed = SPRegionalSettings.GlobalInstalledLanguages;
        IEnumerable supported = web.SupportedUICultures;

        foreach (SPLanguage language in installed)
        {
            CultureInfo culture = new CultureInfo(language.LCID);
            if (!supported.Contains(culture))
            {
                web.AddSupportedUICulture(culture);
            }
        }
    }
}