/// <summary>
        ///    <para>
        ///       Invokes the property builder beginning with the specified page.
        ///    </para>
        /// </summary>
        /// <param name='initialPage'>
        ///    The page to begin with.
        /// </param>
        protected internal void InvokePropertyBuilder(int initialPage)
        {
            IComponentChangeService changeService = null;
            bool result = false;

            changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService));
            if (changeService != null)
            {
                try
                {
                    changeService.OnComponentChanging(_selectionList, null);
                }
                catch (CheckoutException ex)
                {
                    if (ex == CheckoutException.Canceled)
                    {
                        return;
                    }
                    throw;
                }
            }

            try
            {
                SelectionListComponentEditor compEditor = new SelectionListComponentEditor(initialPage);
                result = compEditor.EditComponent(_selectionList);
            }
            finally
            {
                if (changeService != null)
                {
                    changeService.OnComponentChanged(_selectionList, null, null, null);

                    if (IMobileWebFormServices != null)
                    {
                        IMobileWebFormServices.ClearUndoStack();
                    }
                }
            }
        }
        /// <summary>
        ///    <para>
        ///       Invokes the property builder beginning with the specified page.
        ///    </para>
        /// </summary>
        /// <param name='initialPage'>
        ///    The page to begin with.
        /// </param>
        protected internal void InvokePropertyBuilder(int initialPage) 
        {
            IComponentChangeService changeService = null;
            bool result = false;

            changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService));
            if (changeService != null) 
            {
                try 
                {
                    changeService.OnComponentChanging(_selectionList, null);
                }
                catch (CheckoutException ex) 
                {
                    if (ex == CheckoutException.Canceled)
                    {
                        return;
                    }
                    throw;
                }
            }

            try 
            {
                SelectionListComponentEditor compEditor = new SelectionListComponentEditor(initialPage);
                result = compEditor.EditComponent(_selectionList);
            }
            finally
            {
                if (changeService != null)
                {
                    changeService.OnComponentChanged(_selectionList, null, null, null);

                    if (IMobileWebFormServices != null)
                    {
                        IMobileWebFormServices.ClearUndoStack();
                    }
                }
            }
        }