public CustomerViewModel(ICustomerDataService customerDataService)
{
_customerDataService = customerDataService;
CreateCustomer = ReactiveCommand.CreateFromTask(ExecuteCreateCreateCustomer);
CreateCustomer.Subscribe(x => AddCustomer(x));
var canPrint = this
.WhenAnyValue(x => x.SelectedCustomer)
.Select(x => x != null);
PrintCommand = ReactiveCommand.Create <Customer>(ExecutePrintCommand, canPrint);
Task.Run(Initialize);
}
