Gui neu angelegt

StammGenerator/App.xaml.cs

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+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using StammGenerator.HostBuilders;
+using StammGenerator.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace StammGenerator
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        private readonly IHost _host;
+        public App()
+        {
+            _host = CreateHostBuilder().Build();
+        }
+
+        static IHostBuilder CreateHostBuilder(string[]? args = null)
+        {
+            return Host.CreateDefaultBuilder(args)
+                .AddConfiguration()
+                .AddServices()
+                .AddViewModels()
+                .AddStores();
+        }
+
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            _host.Start();
+
+
+
+            MainWindow? window = new MainWindow() { DataContext = _host.Services.GetRequiredService<MainWindowViewModel>() };
+            window.Show();
+
+            base.OnStartup(e);
+        }
+    }
+}