How to prevent IE Browse from showing up when printing HTML

Question

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void SendDocToPrinterSilently(string htmlfilename)        {            try            {                documentLoaded = false;                documentPrinted = false;                  SHDocVw.InternetExplorer ie = new InternetExplorer();                ie.Visible = false;                ie.DocumentComplete += new DWebBrowserEvents2_DocumentCompleteEventHandler(ie_DocumentComplete);                ie.PrintTemplateTeardown += new DWebBrowserEvents2_PrintTemplateTeardownEventHandler(ie_PrintTemplateTeardown);                object missing = Missing.Value;                  ie.Navigate(htmlfilename, ref missing, ref missing, ref missing, ref missing);                while (!documentLoaded && ie.QueryStatusWB(OLECMDID.OLECMDID_PRINT) != OLECMDF.OLECMDF_ENABLED)                    Thread.Sleep(100);                   ie.ExecWB(OLECMDID.OLECMDID_PRINT, OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER, ref missing, ref missing);                while (!documentPrinted)                    Thread.Sleep(100);                  ie.DocumentComplete -= ie_DocumentComplete;                ie.PrintTemplateTeardown -= ie_PrintTemplateTeardown;                ie.Quit();                   //SHDocVw.InternetExplorer IE = new SHDocVw.InternetExplorer();                //IE.Visible = false;                //IE.Silent = true;                //IE.DocumentComplete += new SHDocVw.DWebBrowserEvents2_DocumentCompleteEventHandler(IE_DocumentComplete);                //IE.PrintTemplateTeardown += new SHDocVw.DWebBrowserEvents2_PrintTemplateTeardownEventHandler(IE_PrintTemplateTeardown);                 //IE.Navigate(htmlfilename);             }            catch (Exception ex)            {                throw ex;            }          }

 

private void ie_DocumentComplete(object pDisp, ref object URL)        {            documentLoaded = true;        }   

 private void ie_PrintTemplateTeardown(object pDisp)        {            documentPrinted = true;        }

 

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