MARKUS

                                                foreach (var item in Printimg_List)

                                                {

                                                    Export_img = iTextSharp.text.Image.GetInstance(item.Value, System.Drawing.Imaging.ImageFormat.Png);

                                                    if (Export_img.Width > Export_img.Height)

                                                    {

                                                        doc.SetPageSize(new Rectangle(height, width));