public EditRoomDataPage(AdminWindow adminWindow, audiences SelectedRoom)
        {
            InitializeComponent();

            this.adminWindow = adminWindow;

            this.SelectedRoom      = (audiences)SelectedRoom.Clone();
            this.EditRoomReference = SelectedRoom;

            IsNotChangeMode = false;

            DataContext = this;
        }
        public EditRoomDataPage(AdminWindow adminWindow)
        {
            InitializeComponent();

            this.adminWindow = adminWindow;

            SelectedRoom = new audiences
            {
                room     = 0,
                capacity = 0,
                type     = "Какой-то тип"
            };

            DataContext = this;
        }