viewmodel ins wpf gepackt, build failed

DaSaSo.Wpf/ViewModel/Commands/EditImpregnationCommand.cs

@@ -0,0 +1,44 @@
+using DaSaSo.Domain.Model;
+using DaSaSo.Domain.Services;
+using DaSaSo.Wpf.ViewModel.Interface;
+using System.Threading.Tasks;
+
+namespace DaSaSo.Wpf.ViewModel.Commands
+{
+    internal class EditImpregnationCommand : AsyncCommandBase
+    {
+        private IDataService<Impregnation> _impregnationService;
+        private ImpregnierungListViewModel _impregnierungListViewModel;
+        private IRenavigator _editRenavigator;
+        private IActualProject _actualProject;
+        public override bool CanExecute(object? parameter)
+        {
+            return _impregnierungListViewModel.SelectedImpregnation != null;
+        }
+
+        public EditImpregnationCommand(
+            IDataService<Impregnation> impregnationService,
+            ImpregnierungListViewModel impregnierungListViewModel,
+            IActualProject actualProject,
+            IRenavigator editRenavigator)
+        {
+            _impregnationService = impregnationService;
+            _impregnierungListViewModel = impregnierungListViewModel;
+            _actualProject = actualProject;
+            _editRenavigator = editRenavigator;
+            _impregnierungListViewModel.PropertyChanged += _impregnierungListViewModel_PropertyChanged;
+        }
+
+        private void _impregnierungListViewModel_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == nameof(_impregnierungListViewModel.CanSelectImpregnation))
+                OnCanExecuteChanged();
+        }
+
+        public override async Task ExecuteAsync(object? parameter)
+        {
+            _actualProject.SetImpregnation(_impregnierungListViewModel.SelectedImpregnation);
+            _editRenavigator.Renavigate();
+        }
+    }
+}