public MainViewModel( IMvxNavigationService navigationService, ISimulationService simulationService) : base(navigationService) { SimulationService = simulationService; CreateNewCommand = new MvxCommand(() => SimulationService.CreateNewField()); StartCommand = new MvxCommand(() => SimulationService.Start()); PauseCommand = new MvxCommand(() => SimulationService.Pause()); }