Create Tagged PDF Files in C# .NET

readme.md

Read the complete article on how to create tagged PDF files in C# .NET: https://blog.aspose.com/2022/05/20/create-tagged-pdf-files-in-csharp-net/

create-tagged-pdf-illustrating-structure.cs

// Create PDF document
Document document = new Document();

// Get content for work with Tagged PDF
ITaggedContent taggedContent = document.TaggedContent;
var rootElement = taggedContent.RootElement;

// Set title and language for document
taggedContent.SetTitle("Tagged Pdf Document");
taggedContent.SetLanguage("en-US");

IllustrationElement figure1 = taggedContent.CreateFigureElement();
taggedContent.RootElement.AppendChild(figure1);
figure1.AlternativeText = "Figure One";
figure1.Title = "Image 1";
figure1.SetTag("Fig1");
figure1.SetImage("aspose_pdf.png");

// Save tagged PDF
document.Save("tagged-pdf-illustrating-structure.pdf");

create-tagged-pdf-nested-elements.cs

// Create PDF document
Document document = new Document();

// Get content for work with Tagged PDF
ITaggedContent taggedContent = document.TaggedContent;
var rootElement = taggedContent.RootElement;

// Set title and language for document
taggedContent.SetTitle("Tagged Pdf Document");
taggedContent.SetLanguage("en-US");

// Add header
HeaderElement mainHeader = taggedContent.CreateHeaderElement();
mainHeader.SetText("Main Header");

// Create paragraph
ParagraphElement paragraphWithQuotes = taggedContent.CreateParagraphElement();
paragraphWithQuotes.StructureTextState.Font = FontRepository.FindFont("Calibri");
paragraphWithQuotes.StructureTextState.MarginInfo = new MarginInfo(10, 5, 10, 5);

// Add span element
SpanElement spanElement1 = taggedContent.CreateSpanElement();
spanElement1.SetText("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean nec lectus ac sem faucibus imperdiet. Sed ut erat ac magna ullamcorper hendrerit. Cras pellentesque libero semper, gravida magna sed, luctus leo. Fusce lectus odio, laoreet nec ullamcorper ut, molestie eu elit. Interdum et malesuada fames ac ante ipsum primis in faucibus. Aliquam lacinia sit amet elit ac consectetur. Donec cursus condimentum ligula, vitae volutpat sem tristique eget. Nulla in consectetur massa. Vestibulum vitae lobortis ante. Nulla ullamcorper pellentesque justo rhoncus accumsan. Mauris ornare eu odio non lacinia. Aliquam massa leo, rhoncus ac iaculis eget, tempus et magna. Sed non consectetur elit. ");
QuoteElement quoteElement = taggedContent.CreateQuoteElement();
quoteElement.SetText("Sed vulputate, quam sed lacinia luctus, ipsum nibh fringilla purus, vitae posuere risus odio id massa.");
quoteElement.StructureTextState.FontStyle = FontStyles.Bold | FontStyles.Italic;
SpanElement spanElement2 = taggedContent.CreateSpanElement();
spanElement2.SetText(" Sed non consectetur elit.");

// Append to paragraph
paragraphWithQuotes.AppendChild(spanElement1);
paragraphWithQuotes.AppendChild(quoteElement);
paragraphWithQuotes.AppendChild(spanElement2);

// Add to root element
rootElement.AppendChild(mainHeader);
rootElement.AppendChild(paragraphWithQuotes);

// Save tagged PDF
document.Save("tagged-pdf-nested-elements.pdf");

create-tagged-pdf-styling.cs

// Create PDF document
Document document = new Document();

// Get content for work with Tagged PDF
ITaggedContent taggedContent = document.TaggedContent;
var rootElement = taggedContent.RootElement;

// Set title and language for document
taggedContent.SetTitle("Tagged Pdf Document");
taggedContent.SetLanguage("en-US");

// Add header
HeaderElement mainHeader = taggedContent.CreateHeaderElement();
mainHeader.SetText("Main Header");

// Create paragraph
ParagraphElement paragraphWithQuotes = taggedContent.CreateParagraphElement();
taggedContent.RootElement.AppendChild(paragraphWithQuotes);

// Set styling
paragraphWithQuotes.StructureTextState.FontSize = 18F;
paragraphWithQuotes.StructureTextState.ForegroundColor = Color.Red;
paragraphWithQuotes.StructureTextState.FontStyle = FontStyles.Italic;
            
// Add text
paragraphWithQuotes.SetText("Red italic text.");

// Save tagged PDF
document.Save("tagged-pdf-text-styling.pdf");

create-tagged-pdf.cs

// Create PDF document
Document document = new Document();

// Get Content for work with Tagged PDF
ITaggedContent taggedContent = document.TaggedContent;
var rootElement = taggedContent.RootElement;
            
// Set title and language for document
taggedContent.SetTitle("Tagged Pdf Document");
taggedContent.SetLanguage("en-US");

// Add header
HeaderElement mainHeader = taggedContent.CreateHeaderElement();
mainHeader.SetText("Main Header");

// Add paragraph
ParagraphElement paragraphElement = taggedContent.CreateParagraphElement();
paragraphElement.SetText("Lorem ipsum dolor sit amet, consectetur adipiscing elit. " +
"Aenean nec lectus ac sem faucibus imperdiet. Sed ut erat ac magna ullamcorper hendrerit. " +
"Cras pellentesque libero semper, gravida magna sed, luctus leo. Fusce lectus odio, laoreet" +
"nec ullamcorper ut, molestie eu elit. Interdum et malesuada fames ac ante ipsum primis in faucibus." +
"Aliquam lacinia sit amet elit ac consectetur. Donec cursus condimentum ligula, vitae volutpat" +
"sem tristique eget. Nulla in consectetur massa. Vestibulum vitae lobortis ante. Nulla ullamcorper" +
"pellentesque justo rhoncus accumsan. Mauris ornare eu odio non lacinia. Aliquam massa leo, rhoncus" +
"ac iaculis eget, tempus et magna. Sed non consectetur elit. Sed vulputate, quam sed lacinia luctus," +
"ipsum nibh fringilla purus, vitae posuere risus odio id massa. Cras sed venenatis lacus.");

rootElement.AppendChild(mainHeader);
rootElement.AppendChild(paragraphElement);

// Save tagged PDF
document.Save("tagged-pdf.pdf");