Ext.Net.FitLayoutDesigner.Clear C# (CSharp) Method

        internal void Clear()
        {
            IDesignerHost host = (IDesignerHost) GetService(typeof (IDesignerHost));

            if (host != null)
            {
                using (DesignerTransaction transaction = host.CreateTransaction("Clear"))
                {
                    IComponentChangeService changeService =
                        (IComponentChangeService) GetService(typeof (IComponentChangeService));

                    try
                    {
                        changeService.OnComponentChanging(this.fitLayout,
                                                          TypeDescriptor.GetProperties(this.fitLayout)["Items"]);
                        this.fitLayout.Items.Clear();
                    }
                    finally
                    {
                        changeService.OnComponentChanged(this.fitLayout,
                                                         TypeDescriptor.GetProperties(this.fitLayout)["Items"], null,
                                                         null);
                    }

                    this.UpdateDesignTimeHtml();
                    transaction.Commit();
                }

                this.Tag.SetDirty(true);
            }
        }