public MethodMainViewModel(IEventAggregator aggregator,
IDataService <LabDbEntities> labDbData,
ISpecificationService specificationService) : base()
{
_labDbData = labDbData;
_eventAggregator = aggregator;
_specificationService = specificationService;
DeleteMethodCommand = new DelegateCommand(
() =>
{
_selectedMethod.Delete();
},
() => IsSpecAdmin && _selectedMethod != null);
NewMethodCommand = new DelegateCommand(
() =>
{
_specificationService.CreateMethod();
},
() => IsSpecAdmin);
_eventAggregator.GetEvent <MethodChanged>().Subscribe(
tkn => RaisePropertyChanged("MethodList"));
}