/// <summary>
 /// Конструктор
 /// </summary>
 /// <param name="listItem">Элемент списка</param>
 /// <param name="fileName">Название файла</param>
 /// <param name="mode">Режим загрузки</param>
 public ItemRecordAttachment(SPListItem listItem, string fileName, AttachmentsLoadMode mode)
 {
     this.Name = fileName;//Name;
     this.Url = listItem.Attachments.UrlPrefix + fileName;//Name;
     if ((mode == AttachmentsLoadMode.None))// || (mode == AttachmentsLoadMode.Present))
     {
         throw new ArgumentException("Incorrect value of 'mode' parameter");
     }
     SPFile file = listItem.Web.GetFile(listItem.Attachments.UrlPrefix + fileName);
     this.Size = file.Length;
     if (mode == AttachmentsLoadMode.Full)
     {
         this._content = file.OpenBinary();
     }
 }
 /// <summary>
 /// Инициализация
 /// </summary>
 /// <param name="listItem">Элемент списка</param>
 /// <param name="mode">Режим загрузки</param>
 public virtual void Init(SPListItem listItem, AttachmentsLoadMode mode)
 {
     //LoadDataFromSPListItem(listItem);             ???
     base.GetSPListItemData(listItem);
     if (mode != AttachmentsLoadMode.None)
     {
         if (listItem.Attachments == null || listItem.Attachments.Count <= 0)
         {
             return;
         }
         for (int i = 0; i < listItem.Attachments.Count; i++)
         {
             //SPAttachmentCollection
             var curItem = listItem.Attachments[i];
             Attachments.Add(new ItemRecordAttachment(listItem, curItem, mode));
         }
     }
 }