UnityEditor.DockArea.KillIfEmpty C# (CSharp) Method

        private void KillIfEmpty()
        {
            if (this.m_Panes.Count == 0)
            {
                if (base.parent == null)
                {
                    base.window.InternalCloseWindow();
                }
                else
                {
                    SplitView parent = base.parent as SplitView;
                    ICleanuppable cleanuppable = base.parent as ICleanuppable;
                    parent.RemoveChildNice(this);
                    UnityEngine.Object.DestroyImmediate(this, true);
                    if (cleanuppable != null)
                    {
                        cleanuppable.Cleanup();
                    }
                }
            }
        }