private void EndingSurvey()
{
aTimer.Stop();
aTimer = null;
double result = MarkSurvey();
surveyController.SetMark(_survey.Id, _user.Id, result);
ShowResult(result);
isFinish = true;
NextQuestion.Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
Foto.Source = null;
Question.Content = string.Empty;
Answers.Children.Clear();
NextQuestion.Content = LangPages.QuestionPage.KcFinish;
}));
}
