private void AddGuidDic()
 {
     using (AddGuidDicDialog dlg = new AddGuidDicDialog())
     {
         dlg.ItemText = GuidInfo.GetText(Item.Guid);
         dlg.ItemIcon = GuidInfo.GetImage(Item.Guid);
         var location = GuidInfo.GetIconLocation(Item.Guid);
         dlg.ItemIconPath  = location.IconPath;
         dlg.ItemIconIndex = location.IconIndex;
         IniWriter writer = new IniWriter
         {
             FilePath            = AppConfig.UserGuidInfosDic,
             DeleteFileWhenEmpty = true
         };
         string     section  = Item.Guid.ToString();
         MyListItem listItem = (MyListItem)Item;
         if (dlg.ShowDialog() != DialogResult.OK)
         {
             if (dlg.IsDelete)
             {
                 writer.DeleteSection(section);
                 GuidInfo.RemoveDic(Item.Guid);
                 listItem.Text  = Item.ItemText;
                 listItem.Image = GuidInfo.GetImage(Item.Guid);
             }
             return;
         }
         if (dlg.ItemText.IsNullOrWhiteSpace())
         {
             AppMessageBox.Show(AppString.Message.TextCannotBeEmpty);
             return;
         }
         dlg.ItemText = ResourceString.GetDirectString(dlg.ItemText);
         if (dlg.ItemText.IsNullOrWhiteSpace())
         {
             AppMessageBox.Show(AppString.Message.StringParsingFailed);
             return;
         }
         else
         {
             GuidInfo.RemoveDic(Item.Guid);
             writer.SetValue(section, "Text", dlg.ItemText);
             writer.SetValue(section, "Icon", dlg.ItemIconLocation);
             listItem.Text  = dlg.ItemText;
             listItem.Image = dlg.ItemIcon;
         }
     }
 }