大綱與書籤
PDF大綱或「書籤」提供了一種導航至PDF關鍵頁面的方式。 在 Adobe Acrobat Reader 中，這些書籤(可以嵌套)顯示在應用程式的左側欄中。 IronPDF將從PDF文件中匯入現有的書籤，並允許添加、編輯和嵌套更多書籤。 要了解更多有關 IronPDF 如何增強您的 PDF 功能，請訪問IronPDF產品頁面. 如需全面瞭解 Iron Software 的產品套件如何滿足您的文檔處理需求，請探索Iron Software 官方網站.
using IronPdf;
// Create a new PDF or edit an existing document.
var pdf = PdfDocument.FromFile("existing.pdf");
// Add bookmark
pdf.Bookmarks.AddBookMarkAtEnd("Author's Note", 2);
pdf.Bookmarks.AddBookMarkAtEnd("Table of Contents", 3);
// Store new bookmark in a variable to add nested bookmarks to
var summaryBookmark = pdf.Bookmarks.AddBookMarkAtEnd("Summary", 17);
// Add a sub-bookmark within the summary
var conclusionBookmark = summaryBookmark.Children.AddBookMarkAtStart("Conclusion", 18);
// Add another bookmark to end of highest-level bookmark list
pdf.Bookmarks.AddBookMarkAtEnd("References", 20);
// Remove bookmark example
pdf.Bookmarks.RemoveBookMark(summaryBookmark);
pdf.SaveAs("existing.pdf");Imports IronPdf
' Create a new PDF or edit an existing document.
Private pdf = PdfDocument.FromFile("existing.pdf")
' Add bookmark
pdf.Bookmarks.AddBookMarkAtEnd("Author's Note", 2)
pdf.Bookmarks.AddBookMarkAtEnd("Table of Contents", 3)
' Store new bookmark in a variable to add nested bookmarks to
Dim summaryBookmark = pdf.Bookmarks.AddBookMarkAtEnd("Summary", 17)
' Add a sub-bookmark within the summary
Dim conclusionBookmark = summaryBookmark.Children.AddBookMarkAtStart("Conclusion", 18)
' Add another bookmark to end of highest-level bookmark list
pdf.Bookmarks.AddBookMarkAtEnd("References", 20)
' Remove bookmark example
pdf.Bookmarks.RemoveBookMark(summaryBookmark)
pdf.SaveAs("existing.pdf")
