C# (CSharp) DepCommands примеры использования

Пример #1

        public WAdjustment()
        {
            InitializeComponent();

            DataContext = EmpCommands.getInstance();
            listDepartments.ItemsSource = DepCommands.getInstance().Departments;
        }

Пример #2

 public WAdjustmentDep()
 {
     InitializeComponent();
     DataContext = DepCommands.getInstance();
 }