如何在 C# 中添加目录

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Configure render options
renderer.RenderingOptions = new ChromePdfRenderOptions
{
    // Enable table of content feature
    TableOfContents = TableOfContentsTypes.WithPageNumbers,
};

PdfDocument pdf = renderer.RenderHtmlFileAsPdf("tableOfContent.html");

pdf.SaveAs("tableOfContents.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Configure render options
renderer.RenderingOptions = New ChromePdfRenderOptions With {.TableOfContents = TableOfContentsTypes.WithPageNumbers}

Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("tableOfContent.html")

pdf.SaveAs("tableOfContents.pdf")

using IronPdf;

// Create renderer with multiple options
ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions = new ChromePdfRenderOptions
{
    // Enable table of contents with page numbers
    TableOfContents = TableOfContentsTypes.WithPageNumbers,
    
    // Add margins for better formatting
    MarginTop = 40,
    MarginBottom = 40,
    
    // Enable JavaScript for dynamic content
    EnableJavaScript = true,
    
    // Set paper orientation
    PaperOrientation = PdfPaperOrientation.Portrait,
    
    // Add first page number offset
    FirstPageNumber = 1
};

 // Convert HTML with multiple header levels
string htmlContent = @"
<h1>Introduction</h1>
<p>Welcome to our comprehensive guide...</p>

<h2>Chapter 1: Getting Started</h2>
<p>Let's begin with the basics...</p>

<h3>1.1 Prerequisites</h3>
<p>Before we start, ensure you have...</p>

<h2>Chapter 2: Advanced Topics</h2>
<p>Now let's explore more complex features...</p>
";

PdfDocument pdf = renderer.RenderHtmlAsPdf(htmlContent);
pdf.SaveAs("document-with-toc.pdf");

Imports IronPdf

' Create renderer with multiple options
Dim renderer As New ChromePdfRenderer()
renderer.RenderingOptions = New ChromePdfRenderOptions With {
    ' Enable table of contents with page numbers
    .TableOfContents = TableOfContentsTypes.WithPageNumbers,
    
    ' Add margins for better formatting
    .MarginTop = 40,
    .MarginBottom = 40,
    
    ' Enable JavaScript for dynamic content
    .EnableJavaScript = True,
    
    ' Set paper orientation
    .PaperOrientation = PdfPaperOrientation.Portrait,
    
    ' Add first page number offset
    .FirstPageNumber = 1
}

' Convert HTML with multiple header levels
Dim htmlContent As String = "
<h1>Introduction</h1>
<p>Welcome to our comprehensive guide...</p>

<h2>Chapter 1: Getting Started</h2>
<p>Let's begin with the basics...</p>

<h3>1.1 Prerequisites</h3>
<p>Before we start, ensure you have...</p>

<h2>Chapter 2: Advanced Topics</h2>
<p>Now let's explore more complex features...</p>
"

Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(htmlContent)
pdf.SaveAs("document-with-toc.pdf")