BudgetAnalyser.LedgerBook.LedgerBookControllerFileOperations.LedgerBookControllerFileOperations C# (CSharp) Method

        public LedgerBookControllerFileOperations(
            [NotNull] IMessenger messenger,
            [NotNull] IApplicationDatabaseService applicationDatabaseService)
        {
            if (messenger == null)
            {
                throw new ArgumentNullException(nameof(messenger));
            }

            if (applicationDatabaseService == null)
            {
                throw new ArgumentNullException(nameof(applicationDatabaseService));
            }

            this.applicationDatabaseService = applicationDatabaseService;
            MessengerInstance = messenger;

            ViewModel = new LedgerBookViewModel();
        }