// Access the Pages list information without creating a PublishingWeb
// object.
            using (SPSite site = new SPSite("http://myteam/team/"))
            {
                using (SPWeb web = site.OpenWeb())
                {
                    if (PublishingWeb.IsPublishingWeb(web))
                    {
                        // Get the Id for the Pages list if we 
                        // know that Web is a PublishingWeb.
                        Guid pagesListId = PublishingWeb.GetPagesListId(web);

                        // Get the list by way of the Id.
                        SPList pagesList = web.Lists[pagesListId];

                        // Get the Pages list URL. Note:
                        // PublishingWeb.GetPagesListName(web)
                        // is equivalent to pagesList.RootFolder.Url.
                        string pagesListUrl = PublishingWeb.GetPagesListName(web);
                    }
                    else
                    {
                        // If the SPWeb is not a PublishingWeb, 
                        // then GetPagesListName returns the URL
                        // that would be used by the Pages list 
                        // if the Publishing feature were to be
                        // activated.
                        string pagesListName = PublishingWeb.GetPagesListName(web);
                    }
                }
            }

            // You can also create a PublishingWeb and access
            // the properties from it.
            using (SPSite site = new SPSite("http://myteam/"))
            {
                using (SPWeb web = site.OpenWeb())
                {
                    PublishingWeb publishingWeb = PublishingWeb.GetPublishingWeb(web);

                    // Get the Id for the Pages list.
                    Guid pagesListId = publishingWeb.PagesListId;

                    SPList pagesList = publishingWeb.PagesList;

                    // The PublishingWeb.PagesListName is equivalent 
                    // to PublishingWeb.PagesList.RootFolder.Url.
                    string pagesListUrl = publishingWeb.PagesListName;
                }
            }