private static Action<PagesHeaderBuilder> CreateCustomHeader(ReportHeader reportHeader)
{
    return
        header => header.XHtmlHeader(rptHeader =>
        {
            rptHeader.PageHeaderProperties(new XHeaderBasicProperties
            {
                ShowBorder = true,
                PdfFont = header.PdfFont,
                RunDirection = PdfRunDirection.RightToLeft,
            });
            rptHeader.AddPageHeader(pageHeader => CreateHeaderHtml(reportHeader));
        });
}