public void open(HTTPMethodEnum method, string url, bool @async, string user, string password)
 {
     IXMLHttpRequestActivity.raise_onsend(
         new IXMLHttpRequestActivity {
         request = this, method = method, url = url, async = async, user = user, password = password
     }
         );
 }
 public void open(HTTPMethodEnum method, string url, bool @async)
 {
     IXMLHttpRequestActivity.raise_onsend(
         new IXMLHttpRequestActivity {
         request = this, method = method, url = url, async = async
     }
         );
 }