private void ExecuteNewQuestionCommand(Object parameter)
{
var view = new TecherFormAddAndEditQuestions();
var vm = new AddEditQuestionViewModel();
vm.Question = new Question();
vm.IsNewQuestion = true;
vm.Window = view;
view.DataContext = vm;
var result = view.ShowDialog();
if (result.HasValue && result.Value)
{
vm.Question.Answers = new List <Answer>(vm.AnswerCollection);
var questionid = DBDataSource.AddNewQuestion(vm.Question, NavigationHelper.CurrrentTest.Id);
if (questionid > 0)
{
//Добавление вопроса в UI
vm.Question.Id = questionid;
QuestionCollection.Add(vm.Question);
}
}
}