private void tryToAutentize(string name, string password) { User autentizedUser = serverProxy.autentizate(new Credentials(name, password)); bool wasLoginSuccessful = autentizedUser != null; if (wasLoginSuccessful) { setAutentizedUser(autentizedUser); setState(ClientState.AUTENTIZED_SUCCESSFULLY); setState(ClientState.ALL_PRODUCTS_OFFERED); } else { setState(ClientState.AUTENTIZATION_FAILED); setState(ClientState.UNAUTENTIZED); } }