public OAuthContext()
    {
      _verifier = new BoundParameter(Parameters.OAuth_Verifier, this);
      _consumerKey = new BoundParameter(Parameters.OAuth_Consumer_Key, this);
      _callbackUrl = new BoundParameter(Parameters.OAuth_Callback, this);
      _nonce = new BoundParameter(Parameters.OAuth_Nonce, this);
      _signature = new BoundParameter(Parameters.OAuth_Signature, this);
      _signatureMethod = new BoundParameter(Parameters.OAuth_Signature_Method, this);
      _timestamp = new BoundParameter(Parameters.OAuth_Timestamp, this);
      _token = new BoundParameter(Parameters.OAuth_Token, this);
      _tokenSecret = new BoundParameter(Parameters.OAuth_Token_Secret, this);
      _version = new BoundParameter(Parameters.OAuth_Version, this);

      FormEncodedParameters = new NameValueCollection();
      Cookies = new NameValueCollection();
      Headers = new NameValueCollection();
      AuthorizationHeaderParameters = new NameValueCollection();
    }
    public OAuthContext()
    {
      _verifier = new BoundParameter(Parameters.OAuth_Verifier, this);
      _consumerKey = new BoundParameter(Parameters.OAuth_Consumer_Key, this);
      _callbackUrl = new BoundParameter(Parameters.OAuth_Callback, this);
      _nonce = new BoundParameter(Parameters.OAuth_Nonce, this);
      _signature = new BoundParameter(Parameters.OAuth_Signature, this);
      _signatureMethod = new BoundParameter(Parameters.OAuth_Signature_Method, this);
      _timestamp = new BoundParameter(Parameters.OAuth_Timestamp, this);
      _token = new BoundParameter(Parameters.OAuth_Token, this);
      _tokenSecret = new BoundParameter(Parameters.OAuth_Token_Secret, this);
      _version = new BoundParameter(Parameters.OAuth_Version, this);
      _sessionHandle = new BoundParameter(Parameters.OAuth_Session_Handle, this);
      _bodyHash = new BoundParameter(Parameters.OAuth_Body_Hash, this);

      _xAuthUsername = new BoundParameter(Parameters.XAuthUsername, this);
      _xAuthPassword = new BoundParameter(Parameters.XAuthPassword, this);
      _xAuthMode = new BoundParameter(Parameters.XAuthMode, this);

      FormEncodedParameters = new NameValueCollection();
      Cookies = new NameValueCollection();
      Headers = new NameValueCollection();
      AuthorizationHeaderParameters = new NameValueCollection();
    }