Verzeichnisse umgeräumt

SewerStammGen.WPF/App.xaml.cs

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+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using SewerStammGen.HostBuilders;
+using SewerStammGen.WPF.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SewerStammGen.WPF
+{
+    /// <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)
+        {
+            Application.Current.DispatcherUnhandledException += Current_DispatcherUnhandledException;
+            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
+
+            _host.Start();
+
+            
+
+            MainWindow? window = new MainWindow() { DataContext = _host.Services.GetRequiredService<MainWindowViewModel>() };
+            window.Show();
+
+            base.OnStartup(e);
+        }
+
+        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
+        {
+            try
+            {
+                Exception ex = (Exception)e.ExceptionObject;
+                string text = "An application error occured. Plrease contact the Administrator with the following information:\n\n";
+                MessageBox.Show(text + " " + ex.Message + "\n\n" + ex.StackTrace);
+            }
+            catch (Exception ex2)
+            {
+                MessageBox.Show("Fatal Non-UI error", ex2.Message, MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void Current_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}