lauffähige Grundversion erstellt

SewerStammGen/Commands/UpdateCurrentViewModelCommand.cs

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+using SewerStammGen.Enum;
+using SewerStammGen.Interface;
+using SewerStammGen.Interface.Navigator;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SewerStammGen.Commands
+{
+    internal 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);
+            }
+        }
+    }
+}