Close the the doc and use MemoryStream.ToArray() to get the data. PdfSmartCopy.CloseStream = false can be used to keep it open. In any case you must call doc.Close(). DocWriter.PageCount sets the new page number and only matters if creating a new doc with PdfWriter. What you are looking for is PdfSmartCopy.CurrentPageNumber. Gents, I use PdfSmartCopy to concatenate files and I've noticed an increase in the final concatenated output size when using version 4.0.3 versus 4.0.7 of iTextSharp. Scanning the history notes, I came across this entry by Paulo: "PdfSmartCopy was too liberal in comparing streams. Finally use a simple stamper to write out the edited reader PdfReader reader2 = new PdfReader(watermarkedFile); (PdfSmartCopy)writer).AddPage for removing duplicate but its not working. any other way to remove duplicate fonts. print the pdf. PdfSmartCopy generating bad PDFs. The PDF file below, when modified and concatenated with a similar file, will generate bad PDF output using PdfSmartCopy. This can be replicated doing Hi. I'm generating a PDF document based on template. The document has multiple pages. The document can have about 5000 pages. When creating the 500-th page I get an overflow RAM (memory). How to add blank pages while concatenating several PDFs using PdfSmartCopy. So you probably need an instance of source PdfDocument and a few lines of code:. I know PdfWriter can easily add blank pages, but it isn't made for merging a large number of files, which is why Edisting not using it. GetImportedPage reader, importedPageNumber ; cb. PLEASE NOTE: iTextSharp is EOL, and has been replaced by iText 7. Only security fixes will be added We HIGHLY recommend customers use iText 7 for new projects, and to consider moving existing projects from iTextSharp to iText 7 to benefit from the many improvements such as: * HTML to PDF (PDF/UA) conversion * PDF Redaction * SVG support * Better language support (Indic, Thai, Khmer, Arabic > (named Xf1 and > supposedly contained in object 2), but the template itself is missing. > > Similar code using either PdfStamper or PdfWriter to AddTemplate works > fine. > The reason I want to use PdfCopy or PdfSmartCopy is primarily due to > improved resource management and to avoid issues that arise with > PdfStamper when dealing with very large files. But it is found that the annotations and other objects are being left behind if we use PDFWriter object, instead if PDFSmartcopy / PDFCopy object is used the annotations will be copied as well. Can someone help with the process of using PDFSmartcopy to scale down the PDF files. The PDF file to which the page numbers needs to be added is read into a Byte array from the disk. Then the byte array is read into a PdfReader object and a loop is executed over the pages of the PDF and the page number is added to each page using the PdfStamper class. Finally the MemoryStream is saved to disk as PDF file. Using iTextSharp To Watermark/Write Text To Existing PDF's. May 11, 2008 by Donn Felker 8 Comments. First off, yes, I know there are other tutorials on how to watermark PDF's with iTextSharp. Unfortunately none of them showed me exactly what I wanted to do - which is why I wrote this one. Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.