OpenTween.TweenMain.GoNextTab C# (CSharp) Method

        private void GoNextTab(bool forward)
        {
            int idx = ListTab.SelectedIndex;
            if (forward)
            {
                idx += 1;
                if (idx > ListTab.TabPages.Count - 1) idx = 0;
            }
            else
            {
                idx -= 1;
                if (idx < 0) idx = ListTab.TabPages.Count - 1;
            }
            ListTab.SelectedIndex = idx;
        }