more issuesa

Toolkit.Foundation/Subscriber.cs

@@ -25,6 +25,7 @@ public class Subscriber(SubscriptionCollection subscriptions,
                 Type requestType = handlerArguments[0];
                 Type responseType = handlerArguments[1];
                 Type wrapperType = typeof(HandlerWrapper<,>).MakeGenericType(requestType, responseType);
+
                 AddSubscriptions(subscriber, subscribers, wrapperType);
             }
         }
@@ -49,12 +50,14 @@ public class Subscriber(SubscriptionCollection subscriptions,
                 Type requestType = handlerArguments[0];
                 Type responseType = handlerArguments[1];
                 Type wrapperType = typeof(HandlerWrapper<,>).MakeGenericType(requestType, responseType);
+
                 RemoveSubscriptions(subscriber, subscribers, wrapperType);
             }
         }
     }
 
-    private void AddOrUpdateSubscription(object subscriber, string preferredKey)
+    private void AddOrUpdateSubscription(object subscriber, 
+        string preferredKey)
     {
         subscriptions.AddOrUpdate(preferredKey, _ => new List<WeakReference> { new(subscriber) }, (_, collection) =>
         {
@@ -62,10 +65,16 @@ public class Subscriber(SubscriptionCollection subscriptions,
             return collection;
         });
 
-        disposer.Add(subscriber, Disposable.Create(() => RemoveSubscription(subscriber, preferredKey)));
+        disposer.Add(subscriber, Disposable.Create(() => { 
+            
+            RemoveSubscription(subscriber, preferredKey);
+        
+        }));
     }
 
-    private void AddSubscriptions(object subscriber, IDictionary<Type, List<object>> subscribers, Type handlerType)
+    private void AddSubscriptions(object subscriber, 
+        IDictionary<Type, List<object>> subscribers, 
+        Type handlerType)
     {
         if (subscribers.TryGetValue(handlerType, out List<object>? keys))
         {
@@ -135,7 +144,9 @@ public class Subscriber(SubscriptionCollection subscriptions,
         }
     }
 
-    private void RemoveSubscriptions(object subscriber, IDictionary<Type, List<object>> subscribers, Type handlerType)
+    private void RemoveSubscriptions(object subscriber,
+        IDictionary<Type, List<object>> subscribers, 
+        Type handlerType)
     {
         if (subscribers.TryGetValue(handlerType, out List<object>? keys))
         {

Toolkit.UI.Avalonia/AttachedEventTriggerBehaviour.cs

@@ -21,13 +21,26 @@ public class AttachedEventTriggerBehaviour : Trigger
         {
             if (AssociatedObject is Interactive interactive)
             {
-                interactive.AddHandler(RoutedEvent, (object sender, RoutedEventArgs args) =>
+                interactive.AddHandler(RoutedEvent, Handle);
-                {
-                    Interaction.ExecuteActions(AssociatedObject, Actions, null);
-                });
             }
         }
 
         base.OnAttached();
     }
+
+    protected override void OnDetaching()
+    {
+        if (RoutedEvent is not null)
+        {
+            if (AssociatedObject is Interactive interactive)
+            {
+                interactive.RemoveHandler(RoutedEvent, Handle);
+            }
+        }
+
+        base.OnDetaching();
+    }
+
+    private void Handle(object sender, RoutedEventArgs args) => 
+        Interaction.ExecuteActions(AssociatedObject, Actions, null);
 }

Toolkit.UI.Avalonia/ListBoxExtension.cs

@@ -39,7 +39,20 @@ public class ListBoxExtension
                     }
                 }
 
+                if (sender.DataContext == listBox.SelectedItem)
+                {
+                    sender.RaiseEvent(new ItemInvokedEventArgs { RoutedEvent = ItemInvokedEvent });
+                }
+
+                void HandleUnloaded(object? _, RoutedEventArgs __)
+                {
+                    listBox.SelectionChanged -= OnItemInvoked;
+                    listBox.Unloaded -= HandleUnloaded;
+                }
+
                 listBox.SelectionChanged += OnItemInvoked;
+                listBox.Unloaded += HandleUnloaded;
+
                 return true;
             }
 
@@ -48,13 +61,12 @@ public class ListBoxExtension
 
         if (!TrySetupListBox())
         {
-            void OnAttachedToVisualTree(object? _, VisualTreeAttachmentEventArgs __)
+            void HandleLoaded(object? _, RoutedEventArgs __)
             {
-                sender.AttachedToVisualTree -= OnAttachedToVisualTree;
                 TrySetupListBox();
             }
 
-            sender.AttachedToVisualTree += OnAttachedToVisualTree;
+            sender.Loaded += HandleLoaded;
         }
     }