This C# tutorial shows how to insert meta data to a new Pdf document.
All the available properties are in DocumentInfo
object, such as author, description and title.
Second, modify the page size of the new pages.
//Create new pdf document PdfDocument document = new PdfDocument(); document.DocumentInfo.Author = "test author"; document.DocumentInfo.Description = "test description"; document.DocumentInfo.Title = "test title"; //Insert a new page PdfPage page = document.Pages.AddPage(); //The default page size is A4 //Customize the page sie directly page.Size = new Size(800, 1000); //Or change the value by standard paper size //page.Size = PaperTypeConverter.ToSize(PaperTypes.A4); PdfFile pdfFile = new PdfFile(); //Save pdf to file using stream using (FileStream fs = File.Create("CreateNew.pdf")) { pdfFile.Export(document, fs); } //Save pdf to file using byte array //File.WriteAllBytes("CreateNew.pdf", pdfFile.Export(document));
C# topic explains how to load and import existing PDF document.
Impoart PDF file form steam (file stream and memory stream), or byte array (most used in ASP.NET application).
PdfFile pdfFile = new PdfFile(); PdfDocument document; //Read pdf document from stream using (FileStream fs = File.OpenRead("sample.pdf")) { document = pdfFile.Import(fs); } //Read pdf document from byte array //document = pdfFile.Import(File.ReadAllBytes("sample.pdf")); //Get page count from existing pdf file int pageCount = document.Pages.Count; Console.WriteLine(pageCount);
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