Introduction

public static void GetAttachments()
{
  Console.WriteLine( "=== GET ATTACHMENTS ===" );

  // Loads a document.
  var loadedDocument = "DocWithAttachments.pdf";
  using( var pdfInput = PdfDocument.Load( AttachmentsSample.AttachmentsSampleResourcesDirectory + loadedDocument ) )
  {
    var outputFileName = "GetAttachments.pdf";
    var outputPath = AttachmentsSample.AttachmentsSampleOutputDirectory + outputFileName;

    // Creates a PdfDocument.
    using( var pdfOutput = PdfDocument.Create( outputPath ) )
    {
      // Gets the first Page of the document.
      var page = pdfOutput.Pages.First();

      // Adds a title.
      var titleStyle = TextStyle.WithFont( pdfOutput.Fonts.GetStandardFont( StandardFontType.Helvetica ), 15d );
      page.AddParagraph( "Get attachments", titleStyle, new ParagraphStyle( ParagraphHorizontalAlignment.Center ) );

      // Adds text.
      var textStyle = TextStyle.WithFontAndColor( pdfOutput.Fonts.GetStandardFont( StandardFontType.Helvetica ), 12, Brushes.Red );
      page.AddText( $"Getting attachments from document: {loadedDocument}", new Point( 100, 100 ), textStyle );

      // Gets the attachments of the loaded document.
      var attachments = pdfInput.Attachments;

      // For each attachment, displays some of the attachment's properties.
      for( int i = 0; i < attachments.Count; ++i )
      {
        var attachment = attachments[ i ];

        page.AddText( "Attachment " + ( i + 1 ) + ":", new Point( 30, 150 + ( i * 65 ) ) );
        page.AddText( $"  Name: {attachment.Name}", new Point( 30, 165 + ( i * 65 ) ) );
        page.AddText( $"  Description: {attachment.Description}", new Point( 30, 180 + ( i * 65 ) ) );
        page.AddText( $"  Modified date: {attachment.ModifiedDate}", new Point( 30, 195 + ( i * 65 ) ) );
      }

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