/// <summary>
/// Creates a string list that contains the hierrarchy leading to the current page
/// </summary>
/// <param name="currentPage"></param>
/// <param name="ReplaceStartWithLangCode"></param>
/// <param name="ReverseSort"></param>
/// <returns></returns>
public static List<string> GetBreadCrumb(PageData currentPage, bool ReplaceStartWithLangCode, bool ReverseSort)
{
   if (currentPage != null)

// Extension method for retrieving a page from a PageReference
// For example:
// PageData parent = CurrentPage.ParentLink.GetPage()
public static PageData GetPage(this PageReference link)
{
    if (link==PageReference.EmptyReference)
        return null;
 
    return DataFactory.Instance.GetPage(link);
}