/// <summary>
        /// Handling controls
        /// </summary>

        //private void lvDepartments_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        //{
        //    new WinDepEdt(lvDepartments.SelectedItem as Department).ShowDialog();
        //    //WinDepartmentEdit.btnAddDep.IsEnabled = "False";
        //}

        private void lvEmployee_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            WinEmployeeEdit wee = new WinEmployeeEdit(lvEmployees.SelectedItem as Employee);

            wee.ShowDialog();
            wee.btnAddEmployee.IsEnabled = false;
        }
        private void btnAddEmployee_Click(object sender, RoutedEventArgs e)
        {
            WinEmployeeEdit wee = new WinEmployeeEdit(new Employee(), Visibility.Visible);

            wee.Height = 210;
            wee.ShowDialog();
            wee.btnAddEmployee.IsEnabled = false;
        }