public void PrintDocument(PdfDocument pdf)
        {
            //.Net Framework class from System.Drawing.Printing namespace
            PrintDocument pd = new PrintDocument();
            int pageForPrint = 0;
            

            pd.PrintPage += (s, e) =>
            {
                pd.PrinterSettings.FromPage = 1;
                pd.PrinterSettings.ToPage = 1;
                
                //set paper size and orientation
                e.PageSettings.PaperSize.RawKind = (int)PaperKind.Letter;
                e.PageSettings.Landscape = false;

                pd.OriginAtMargins = true;
                e.PageSettings.Margins.Top = 0;
                e.PageSettings.Margins.Left = 0;
                e.PageSettings.Margins.Bottom = 0;
                e.PageSettings.Margins.Right = 0;                

                //Calculate actual size in pixels that depends on current printer's DPI 
                int actualWidth = (int)(e.Graphics.DpiX * 8.5f); 
                int actualHeight = (int)(e.Graphics.DpiY * 11);
                

                //Render to PdfBitmap using page's Render method with FPDF_PRINTING flag
                pdf.Pages[pageForPrint].Render
                    (e.Graphics,
                    0,
                    0,
                    actualWidth,
                    actualHeight,
                    Patagames.Pdf.Enums.PageRotate.Normal, Patagames.Pdf.Enums.RenderFlags.FPDF_PRINTING);

                //Print next page
                if (pageForPrint < pdf.Pages.Count - 1)
                {
                    pageForPrint++;
                    e.HasMorePages = true;
                }
            };

            //start printing routine
            pd.Print();
        }
    }
}