Introduction

public static void AddPages()
{
  Console.WriteLine( "=== ADD PAGES ===" );
  var outputFileName = "AddPages.pdf";
  var outputPath = PagesSample.PagesSampleOutputDirectory + outputFileName;

  // Create a pdf document.
  using( var pdfoutput = PdfDocument.Create( outputPath ) )
  {
    // Get the first page of the document.
    var page = pdfoutput.Pages.First();

    // Add title.
    var titleStyle = TextStyle.WithFont( pdfoutput.Fonts.GetStandardFont( StandardFontType.Helvetica ), 15d );
    page.AddParagraph( "Add Pages", titleStyle, new ParagraphStyle( ParagraphHorizontalAlignment.Center ) );

    // Define a TextStyle to use for next texts.
    var textStyle = TextStyle.WithFont( pdfoutput.Fonts.GetStandardFont( StandardFontType.Helvetica ), 18 );

    // Add Text on first page.
    page.AddText( "This text is on FIRST page.", new Point( 30, 100 ), textStyle );

    // Add a new page.
    page = pdfoutput.Pages.Add();

    // Add Text on second page.
    page.AddText( "This text is on SECOND page.", new Point( 30, 100 ), textStyle );

    // Add a new page.
    page = pdfoutput.Pages.Add();

    // Add Text on third page.
    page.AddText( "This text is on THIRD page.", new Point( 30, 100 ), textStyle );

    // Save the output document.
    pdfoutput.Save();
    Console.WriteLine( $"Info exported to path: {outputFileName}" );
  }
}