How to display both page and bookmarks in the PDF document using C# and VB.NET?

Syncfusion Essential® PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can display both pages and bookmarks in PDF documents.

Steps to display both pages and bookmarks in the PDF documents programmatically

1. Create a new C# console application project.

2. Install the Syncfusion.Pdf.WinForms NuGet package as a reference to your .NET Framework application from the NuGet.org.

3. Include the following namespaces in the Program.cs file.

C#

using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Interactive;
using System.Drawing;

VB.NET

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Graphics
Imports Syncfusion.Pdf.Interactive
Imports System.Drawing

4. Use the following code snippet to display both page and bookmarks in the PDF document.

C#

VB.NET

'Creates a New document
Dim document As PdfDocument = New PdfDocument()
 
'Set to open bookmarks
document.ViewerPreferences.PageMode = PdfPageMode.UseOutlines
 
'Add a page
Dim page As PdfPage = document.Pages.Add()
 
'Create parent bookmark 
Dim bookmark As PdfBookmark = document.Bookmarks.Add("Page 1")
bookmark.Destination = New PdfDestination(page)
bookmark.Destination.Location = New PointF(20, 20)
 
'Adds the child bookmark
Dim childBookmark As PdfBookmark = bookmark.Insert(0, "Heading 1")
childBookmark.Destination = New PdfDestination(page)
childBookmark.Destination.Location = New PointF(0, 300)
childBookmark.Destination.Zoom = 2.0F
 
'Draw String 
page.Graphics.DrawString("Hello World", New PdfStandardFont(PdfFontFamily.Helvetica, 20), PdfBrushes.Black, New PointF(0, 0))
 
'Sets the text style And color
bookmark.TextStyle = PdfTextStyle.Bold
bookmark.Color = System.Drawing.Color.Red
 
'Saves And closes the PDF document
document.Save("Output.pdf")
document.Close(True)
 
'This will open the PDF file so, the result will be seen in the default PDF viewer
System.Diagnostics.Process.Start("Output.pdf")

A complete working sample can be downloaded from BookmarkSample.zip.

By executing the program, you will get the PDF document as follows,

Take a moment to peruse the documentation, where you can find other options like adding child bookmarks, inserting bookmarks, removing, and modifying bookmarks in the PDF document with code example.

Refer here to explore the rich set of Syncfusion Essential® PDF features.

Note:

Starting with v16.2.0.x, if you reference Syncfusion® assemblies from the trial setup or the NuGet feed, include a license key in your projects. Refer to the link to learn about generating and registering the Syncfusion® license key in your application to use the components without a trial message.

See Also:

Add bookmarks in PDF document

Conclusion:

I hope you enjoyed learning about how to display both page and bookmarks in the PDF document using C# and VB.NET.

You can refer to our Flutter PDF feature tour page to learn about its other groundbreaking features and documentation, and how to quickly get started with configuration specifications. You can also explore our Flutter PDF Flutter PDF examples to understand how to create and manipulate data.

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