Login fenster öffnen

Casino/MainWindow.xaml.cs

@@ -20,12 +20,23 @@ namespace Casino
         {
             InitializeComponent();
 
+
+            //copilot hilfe
+            Loaded += (_, _) =>
+            {
                 var window = new Login();
 
                 window.Owner = this;
                 window.ShowDialog();
+                if(window.DialogResult == false)
+                {
+                    Close();
+                }
+            };
 
             
         }
+        
+
     }
 }

Casino/User.cs

@@ -8,7 +8,7 @@ namespace Casino
 {
     public class User
     {
-        public string ID { get; }
+        public string ID { get; set; }
         public string Name { get; set; }
         public int Alter {  get; set; }
         public string Passwort { get; set; }