LayoutFarm.HtmlBoxes.HtmlHost.GetRenderTreeBuilder C# (CSharp) Method

        public LayoutFarm.Composers.RenderTreeBuilder GetRenderTreeBuilder()
        {
            if (this.renderTreeBuilder == null)
            {
                renderTreeBuilder = new Composers.RenderTreeBuilder(this);
                this.renderTreeBuilder.RequestStyleSheet += (e) =>
                {
                    if (requestStyleSheet != null)
                    {
                        requestStyleSheet(this, e);
                    }
                };
            }
            return renderTreeBuilder;
        }
        internal void NotifyHtmlContainerUpdate(HtmlContainer htmlCont)

        public static MyHtmlVisualRoot CreateHtmlVisualRootFromFullHtml(
            HtmlHost htmlHost,
            string fullHtmlString,
            HtmlRenderBox htmlFrgmentRenderBox)
        {
            HtmlDocument htmldoc = WebDocumentParser.ParseDocument(
                htmlHost,
                new LayoutFarm.WebDom.Parser.TextSource(fullHtmlString.ToCharArray()));
            //1. builder
            RenderTreeBuilder renderTreeBuilder = htmlHost.GetRenderTreeBuilder();
            //-------------------------------------------------------------------
            //2. generate render tree
            ////build rootbox from htmldoc

            CssBox rootElement = renderTreeBuilder.BuildCssRenderTree(htmldoc,
                                                                      htmlHost.BaseStylesheet,
                                                                      htmlFrgmentRenderBox);
            //3. create small htmlContainer

            MyHtmlVisualRoot htmlContainer = new MyHtmlVisualRoot(htmlHost);

            htmlContainer.WebDocument = htmldoc;
            htmlContainer.SetRootCssBox(rootElement);
            htmlContainer.SetMaxSize(htmlFrgmentRenderBox.Width, 0);
            //
            LayoutVisitor lay = htmlHost.GetSharedHtmlLayoutVisitor(htmlContainer);

            htmlContainer.PerformLayout(lay);
            htmlHost.ReleaseHtmlLayoutVisitor(lay);
            htmlFrgmentRenderBox.SetHtmlContainer(htmlContainer, rootElement);
            return(htmlContainer);
        }