ServiceStack.Razor.RazorFormat.BindToAppHost C# (CSharp) Method

        private void BindToAppHost(IAppHost appHost)
        {
            appHost.CatchAllHandlers.Add(this.PageResolver.CatchAllHandler);
            appHost.ViewEngines.Add(this.PageResolver);

            if (this.RenderPartialFn == null)
            {
                this.RenderPartialFn = (pageName, model, renderHtml, writer, htmlHelper, httpReq) =>
                {
                    foreach (var viewEngine in appHost.ViewEngines)
                    {
                        if (viewEngine == PageResolver || !viewEngine.HasView(pageName, httpReq)) continue;
                        return viewEngine.RenderPartial(pageName, model, renderHtml, writer, htmlHelper);
                    }
                    writer.Write("<!--{0} not found-->".Fmt(pageName));
                    return null;
                };
            }
            this.PageResolver.RenderPartialFn = this.RenderPartialFn;
        }