WeifenLuo.WinFormsUI.Docking.DockPane.OnParentChanged C# (CSharp) Method

        protected override void OnParentChanged(EventArgs e)
        {
            base.OnParentChanged(e);
            var newParent = Parent as DockWindow;
            if (newParent != _lastParentWindow)
            {
                if (_lastParentWindow != null)
                    _lastParentWindow.PerformLayout();
                _lastParentWindow = newParent;
            }
        }