private void AddCommonParams(ref FoursquareRequest refRequest) { if (IsLoggedIn()) { refRequest.AddParam("oauth_token", Token); } else { refRequest.AddParam("client_id", _clientId); refRequest.AddParam("client_secret", _clientSecret); } if (!refRequest.HasParam("v")) { refRequest.AddParam("v", _version); } refRequest.AddParam("m", "foursquare"); }