OpenTween.TweenMain.GoPost C# (CSharp) Method

        private void GoPost(bool forward)
        {
            if (_curList.SelectedIndices.Count == 0 || _curPost == null)
                return;

            var tab = this._statuses.Tabs[this._curTab.Text];
            var selectedIndex = this._curList.SelectedIndices[0];

            int fIdx, toIdx, stp;

            if (forward)
            {
                fIdx = selectedIndex + 1;
                if (fIdx > tab.AllCount - 1) return;
                toIdx = tab.AllCount;
                stp = 1;
            }
            else
            {
                fIdx = selectedIndex - 1;
                if (fIdx < 0) return;
                toIdx = -1;
                stp = -1;
            }

            string name = "";
            if (_curPost.RetweetedId == null)
            {
                name = _curPost.ScreenName;
            }
            else
            {
                name = _curPost.RetweetedBy;
            }
            for (int idx = fIdx; idx != toIdx; idx += stp)
            {
                var post = tab[idx];
                if (post.RetweetedId == null)
                {
                    if (post.ScreenName == name)
                    {
                        SelectListItem(_curList, idx);
                        _curList.EnsureVisible(idx);
                        break;
                    }
                }
                else
                {
                    if (post.RetweetedBy == name)
                    {
                        SelectListItem(_curList, idx);
                        _curList.EnsureVisible(idx);
                        break;
                    }
                }
            }
        }