/// <summary>
        /// Метод нажатия по кнопке добавления работника
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void AddEmployee_Click(object sender, RoutedEventArgs e)
        {
            Employee result = null;

            if (CheckBoxes())
            {
                switch (EmplTypes.Text)
                {
                case "Менеджер":

                    result = getManager();
                    dep.AddWorker(result);
                    break;

                case "Высший менеджер":
                    result = getHighManager();
                    dep.AddWorker(result);
                    break;

                default:
                    result = getInternt();
                    dep.AddWorker(result);
                    break;
                }
                this.Close();
            }
        }
        /// <summary>
        /// Добавляет сотрудника в отдел
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void HireWorkerOnClick(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(DivisionID.Text))
            {
                MessageBox.Show("Отдел не выбран");
                return;
            }
            if (string.IsNullOrEmpty(newWorkerName.Text) || string.IsNullOrEmpty(newWorkerRate.Text) ||
                string.IsNullOrEmpty(newWorkerPost.Text))
            {
                MessageBox.Show("Не все поля заполнены");
                return;
            }

            Department department = organization.FindDepartmentByID(int.Parse(DivisionID.Text));

            if (department == null)
            {
                MessageBox.Show("Отдел не найден");
                return;
            }
            try
            {
                if (IsNewWorkerIntern.IsChecked == true)
                {
                    department.AddWorker(
                        new Intern(newWorkerName.Text, newWorkerPost.Text, department, int.Parse(newWorkerRate.Text))
                        );
                }
                else
                {
                    department.AddWorker(
                        new Employee(newWorkerName.Text, newWorkerPost.Text, department, int.Parse(newWorkerRate.Text))
                        );
                }
                organization.CalculateSalary();
                //ObservableCollection<Worker> allWorkers = new ObservableCollection<Worker>(department.Workers);
                //allWorkers.Add(department.Manager);
                //WorkersListView.ItemsSource = allWorkers;
                newWorkerName.Clear();
                newWorkerPost.Clear();
                newWorkerRate.Clear();
                IsNewWorkerIntern.IsChecked = false;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
        }