static void Main(string[] args)
    {
        try
        {

            CreatePDFNoTemplate();
            Console.WriteLine("done");
            Console.ReadKey();
        }
        catch (Exception ex)
        {

            Console.WriteLine(ex.Message);
            Console.ReadKey();
        }

       

    }

    private static void CreatePDFNoTemplate()
    {
        Document pdfDoc = new Document();
        PdfWriter writer = PdfWriter.GetInstance(pdfDoc, new FileStream($"{P_OutputStream}/test.pdf" , FileMode.OpenOrCreate));

        pdfDoc.Open();
        pdfDoc.Add(new Paragraph("Some data"));
        PdfContentByte cb = writer.DirectContent;
        cb.MoveTo(pdfDoc.PageSize.Width / 2, pdfDoc.PageSize.Height / 2);
        cb.LineTo(pdfDoc.PageSize.Width / 2, pdfDoc.PageSize.Height);
        cb.Stroke();

        pdfDoc.Close();
    }