UnityEditor.AudioMixerGroupSelector.GroupTreeViewGUI.GetTotalSize C# (CSharp) Method

            public override Vector2 GetTotalSize(List<TreeViewItem> rows)
            {
                if (this.m_RowRects.Count == 0)
                {
                    return new Vector2(1f, 1f);
                }
                Rect rect = this.m_RowRects[this.m_RowRects.Count - 1];
                return new Vector2(base.GetMaxWidth(rows) + 10f, rect.yMax);
            }