Ext.Net.AccordionDesigner.AddPanel C# (CSharp) Method

        public void AddPanel()
        {
            IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));

            if (host != null)
            {
                Panel item = (Panel)host.CreateComponent(typeof(Panel));
                
                if (item != null)
                {
                    IComponentChangeService changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService));

                    try
                    {
                        changeService.OnComponentChanging(layout, TypeDescriptor.GetProperties(layout)["Items"]);
                        item.Title = "Item";
                        item.Border = false;
                        layout.Items.Add(item);

                        this.ExpandItem(item);
                    }
                    finally
                    {
                        changeService.OnComponentChanged(layout, TypeDescriptor.GetProperties(layout)["Items"], null, null);
                    }
                }
                this.UpdateDesignTimeHtml();

                this.Tag.SetDirty(true);
            }
        }