public HttpContextProxy(String fileName, String queryString)
: base()
{
MemoryStream responseStream = new MemoryStream();
TextWriter responseWriter = new StreamWriter(responseStream);
HttpWorkerRequest wr = new SimpleWorkerRequest("/", @"C:\inetpub\wwwroot\", fileName, queryString, responseWriter);
HttpContext context = new HttpContext(wr);
HttpBrowserCapabilities browser = new HttpBrowserCapabilities();
browser.SetFieldValue("_items", new Hashtable());
context.Request.Browser = browser;
HttpContext previousContext = HttpContext.Current;
HttpContext.Current = context;
this._context = context;
this._previousContext = previousContext;
this._responseStream = responseStream;
this._responseWriter = responseWriter;
IHttpSessionState container = new HttpSessionStateContainer(Guid.NewGuid().ToString(), new SessionStateItemCollection(), new HttpStaticObjectsCollection(), 20, true, HttpCookieMode.AutoDetect, SessionStateMode.InProc, false);
this.SetSessionState(container);
}