protected override void CreateChildItems(RadElement parent)
 {
     base.CreateChildItems(parent);
     this.sizingGrip                 = new SizeGripElement();
     this.sizingGrip.SizingMode      = SizingMode.None;
     this.sizingGrip.MinSize         = new Size(0, 12);
     this.sizingGripDockLayout       = new DockLayoutPanel();
     this.sizingGripDockLayout.Class = "PopupPanel";
     this.sizingGripDockLayout.Children.Add((RadElement)this.sizingGrip);
     this.sizingGripDockLayout.LastChildFill = true;
     DockLayoutPanel.SetDock((RadElement)this.sizingGrip, Dock.Bottom);
     parent.Children.Add((RadElement)this.sizingGripDockLayout);
 }
        protected override void CreateChildItems(RadElement parent)
        {
            DockLayoutPanel panel = new DockLayoutPanel();
            panel.Class = "PopupPanel";

            grip = new SizeGripElement();
			grip.SizingMode = SizingMode.None;
            DockLayoutPanel.SetDock(grip, Telerik.WinControls.Layouts.Dock.Bottom);
            panel.Children.Add(grip);

            if (this.popupListBoxElement != null)
                panel.Children.Add(this.popupListBoxElement);

            parent.Children.Add(panel);
        }