Displaying the Contents of a PDF File in an ASP.NET Application using GhostScript

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Web;
using Cyotek.GhostScript.PdfConversion;

namespace GhostScriptWebTest
{
  public class PdfImage : IHttpHandler
  {
    public void ProcessRequest(HttpContext context)
    {
      string fileName;
      int pageNumber;
      Pdf2Image convertor;
      Bitmap image;

      fileName = context.Server.MapPath("~/" + context.Request.QueryString["fileName"]);
      pageNumber = Convert.ToInt32(context.Request.QueryString["page"]);

      // convert the image
      convertor = new Pdf2Image(fileName);
      image = convertor.GetImage(pageNumber);

      // set the content type
      context.Response.ContentType = "image/png";

      // save the image directly to the response stream
      image.Save(context.Response.OutputStream, ImageFormat.Png);
    }

    public bool IsReusable
    { get { return true; } }
  }
}