OpenTween.MediaSelector.AddNewImagePage C# (CSharp) Метод

        private void AddNewImagePage(int selectedIndex)
        {
            var service = this.SelectedService;
            if (service == null) return;

            if (selectedIndex < service.MaxMediaCount - 1)
            {
                // 投稿先の投稿可能枚数まで選択できるようにする
                var count = ImagePageCombo.Items.Count;
                if (selectedIndex == count - 1)
                {
                    count++;
                    ImagePageCombo.Items.Add(new SelectedMedia(count.ToString()));
                    ImagePageCombo.Enabled = true;
                }
            }
        }