PDF大綱或"書籤"提供了一種導航到PDF關鍵頁面的方式。 在Adobe Acrobat Reader中，這些書籤（可以是巢狀的）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，並允許新增、編輯和巢狀更多書籤。
要了解更多有關IronPDF如何增強您的PDF功能，請存取IronPDF產品頁面。 要深入了解Iron Software產品套件如何滿足您的文件處理需求，請探索Iron Software官方網站。
探索如何使用IronPDF新增和編輯PDF書籤。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.
Dim 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")Imports IronPdf
' Create a new PDF or edit an existing document.
Dim 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")
