private void DeleteModel(GroupCharacterViewModel model)
        {
            if (model == null) return;
            if (MessageBoxWPF.Show("Вы действительно хотите удалить параметр ?", StringProject.MessageCaption, MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.No)
                return;

            bool flag = repository.DeleteGroupCharacter(model.GetModel);
            if (!flag)
            {
                MessageBoxWPF.Show(StringProject.ErrorDelRecort, StringProject.ErrorCaption, MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }
            AllModel.Remove(model);
        }
        private void UpdateModel(GroupCharacterViewModel model)
        {
            if (model == null) return;
            AddGroupCharacterView view = new AddGroupCharacterView(false, model.GetModel, repository) { ShowInTaskbar = false };
            view.ShowDialog();
            if (view.DialogResult != true) return;

            bool flag = repository.UpdateGroupCharacter(model.GetModel);
            if (!flag)
            {
                MessageBoxWPF.Show(StringProject.ErrorUpdRecort, StringProject.ErrorCaption, MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }
            model.RefreshModel();
        }