public CalculatorForm(IPresenter presenter)
        {
            InitializeComponent();

            this.presenter = presenter;

            this.viewUI = new ViewUI(
                list_OperationTypes,
                txt_Argument1,
                txt_Argument2,
                txt_OperationResult,
                list_OperationDescriptions);
        }
        public CalculatorForm(IPresenter presenter)
        {
            InitializeComponent();

            this.presenter = presenter;

            this.viewUI = new ViewUI(
                list_OperationTypes,
                txt_Argument1,
                txt_Argument2,
                txt_OperationResult,
                list_OperationDescriptions);
        }