viewmodel ins wpf gepackt, build failed

DaSaSo.Wpf/ViewModel/Commands/UpdateCurrentViewModelCommand.cs

@@ -0,0 +1,32 @@
+using DaSaSo.Domain.Enums;
+using DaSaSo.Wpf.ViewModel.Enums;
+using DaSaSo.Wpf.ViewModel.Interface;
+using System;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace DaSaSo.Wpf.ViewModel.Commands
+{
+    class UpdateCurrentViewModelCommand : AsyncCommandBase
+    {
+        private INavigator _navigator;
+        private readonly IViewModelAbstractFactory _viewModelFactory;
+
+        public UpdateCurrentViewModelCommand(INavigator navigator, IViewModelAbstractFactory viewModelFactory)
+        {
+            _navigator = navigator;
+            _viewModelFactory = viewModelFactory;
+        }
+
+       
+
+        public override async Task ExecuteAsync(object? parameter)
+        {
+            if(parameter is EMainWindowViewType)
+            {
+                EMainWindowViewType viewType = (EMainWindowViewType)parameter;
+                _navigator.CurrentViewModel = _viewModelFactory.CreateViewModel(viewType);
+            }
+        }
+    }
+}