OpenTween.TweenMain.MyList_SelectedIndexChanged C# (CSharp) Method

        private void MyList_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (_curList == null || !_curList.Equals(sender) || _curList.SelectedIndices.Count != 1) return;

            _curItemIndex = _curList.SelectedIndices[0];
            if (_curItemIndex > _curList.VirtualListSize - 1) return;

            try
            {
                this._curPost = GetCurTabPost(_curItemIndex);
            }
            catch (ArgumentException)
            {
                return;
            }

            this.PushSelectPostChain();

            this._statuses.SetReadAllTab(_curPost.StatusId, read: true);
            //キャッシュの書き換え
            ChangeCacheStyleRead(true, _curItemIndex);   //既読へ（フォント、文字色）

            ColorizeList();
            _colorize = true;
        }