整理PDF

using IronPdf;

// Import cover page
PdfDocument coverPage = PdfDocument.FromFile("coverPage.pdf");
// Import content document
PdfDocument contentPage = PdfDocument.FromFile("contentPage.pdf");
// Insert PDF
contentPage.InsertPdf(coverPage, 0);
contentPage.SaveAs("report_final.pdf");
// Copy a single page into a new PDF object
PdfDocument myReport = PdfDocument.FromFile("report_final.pdf");
PdfDocument copyOfPageOne = myReport.CopyPage(0);

using IronPdf;
// Import two pdfs
PdfDocument pdf_A = PdfDocument.FromFile("merge_docA.pdf");
PdfDocument pdf_B = PdfDocument.FromFile("merge_docB.pdf");
// Merge the two pdfs A and B
var merged = PdfDocument.Merge(pdf_A, pdf_B);
merged.SaveAs("Merged.pdf");

using IronPdf;
// Create a new PDF or edit an existing document.
PdfDocument pdf = PdfDocument.FromFile("existing.pdf");
// Add a bookmark
var mainBookmarks = pdf.Bookmarks.AddBookMarkAtEnd("NameOfBookmark", 0);
//Add a sub-bookmark
var subBookmarks = mainBookmarks.Children.AddBookMarkAtEnd("Conclusion", 1);
pdf.SaveAs("singleLayerBookmarks.pdf");

using IronPdf;
using System.IO;
// Import attachment file
byte[] fileData = File.ReadAllBytes(@"path/to/file");
// Open existing PDF
PdfDocument pdf = PdfDocument.FromFile("sample.pdf");
// Add attachment to the PDF
pdf.Attachments.AddAttachment("Example", fileData);
pdf.SaveAs("addAttachment.pdf");