Itextsharp swf view methods

Itextsharp dll i kullanarak oluşturduğumuz pdf te istenilen swf dosyaları oynatmak için yazmış olduğum method örneği

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using iTextSharp.text.pdf;
using iTextSharp.text;
using iTextSharp.text.xml;
using System.IO;
using System.Xml;
using iTextSharp.text.pdf.codec;
using iTextSharp.text.pdf.parser;
using iTextSharp.text.pdf.richmedia;

public void PdfFlash(string file)
{
    string day = DateTime.Now.ToString("dd/MM/yyyy");
    Document document = new Document();
    PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(file, FileMode.Create));
    writer.SetPdfVersion(PdfWriter.PDF_VERSION_1_7);
    writer.AddDeveloperExtension(PdfDeveloperExtension.ADOBE_1_7_EXTENSIONLEVEL3);
    document.Open();
    RichMediaAnnotation richMedia = new RichMediaAnnotation(writer, new Rectangle(36, 400, 559, 806));
    PdfFileSpecification fs = PdfFileSpecification.FileEmbedded(writer, @"C:1.swf", "1.swf", null);
    PdfIndirectReference asset = richMedia.AddAsset("1.swf", fs);
    RichMediaConfiguration configuration = new RichMediaConfiguration(PdfName.FLASH);
    RichMediaInstance instance = new RichMediaInstance(PdfName.FLASH);
    RichMediaParams flashVars = new RichMediaParams();
    String vars = day;
    flashVars.FlashVars = vars;
    instance.Params = flashVars;
    instance.Asset = asset;
    configuration.AddInstance(instance);
    PdfIndirectReference configurationRef = richMedia.AddConfiguration(configuration);
    RichMediaActivation activation = new RichMediaActivation();
    activation.Configuration = configurationRef;
    richMedia.Activation = activation;
    PdfAnnotation richMediaAnnotation = richMedia.CreateAnnotation();
    richMediaAnnotation.Flags = PdfAnnotation.FLAGS_PRINT;
    writer.AddAnnotation(richMediaAnnotation);
    document.Close();
}