IHTMLDocument2 document = (IHTMLDocument2)axWebBrowser.Document;
IHTMLWindow2 windowdocument = (IHTMLWindow2)document.parentWindow;
windowdocument.execScript("getTinyMCEContent();","javascript");
IHTMLElement htmwlelement = (IHTMLElement)document.forms.item(null,0);
String textinput = htmwlelement.innerText;
int textInputStartPosition = textinput.IndexOf( _
  "startHTMLCONTENT:",0,textinput.Length);
String outputstring = textinput.Substring( _
textInputStartPosition+17,textinput.Length-textInputStartPosition-26);
axWebBrowser.Focus();