From e4df163ef0fff967d3483642aa49fa4059554a50 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Thu, 10 May 2018 01:09:38 +0200
Subject: [PATCH] Call Initialized for attached properties.

#1499 broke `AvaloniaProperty.Initialized` for attached properties - they were no longer called.

Fixes #1568.
---
 src/Avalonia.Base/AvaloniaObject.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Base/AvaloniaObject.cs b/src/Avalonia.Base/AvaloniaObject.cs
index 4ab813333d..68b9871fd1 100644
--- a/src/Avalonia.Base/AvaloniaObject.cs
+++ b/src/Avalonia.Base/AvaloniaObject.cs
@@ -71,7 +71,8 @@ namespace Avalonia
         public AvaloniaObject()
         {
             VerifyAccess();
-            foreach (var property in AvaloniaPropertyRegistry.Instance.GetRegistered(this))
+
+            void Notify(AvaloniaProperty property)
             {
                 object value = property.IsDirect ?
                     ((IDirectPropertyAccessor)property).GetValue(this) :
@@ -86,6 +87,16 @@ namespace Avalonia
 
                 property.NotifyInitialized(e);
             }
+
+            foreach (var property in AvaloniaPropertyRegistry.Instance.GetRegistered(this))
+            {
+                Notify(property);
+            }
+
+            foreach (var property in AvaloniaPropertyRegistry.Instance.GetRegisteredAttached(this.GetType()))
+            {
+                Notify(property);
+            }
         }
 
         /// <summary>