From 938e07422ad9d202e37a1e03f027201487a54254 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Fri, 15 Jan 2016 17:42:06 +0100
Subject: [PATCH] Invalidate TextBlock.FormattedText when attached to logical
 tree.

As inherited properties can change when this happens.
---
 src/Perspex.Controls/TextBlock.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Perspex.Controls/TextBlock.cs b/src/Perspex.Controls/TextBlock.cs
index ea749be84e..65ee4b5f70 100644
--- a/src/Perspex.Controls/TextBlock.cs
+++ b/src/Perspex.Controls/TextBlock.cs
@@ -392,5 +392,11 @@ namespace Perspex.Controls
 
             return new Size();
         }
+
+        protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
+        {
+            base.OnAttachedToLogicalTree(e);
+            InvalidateFormattedText();
+        }
     }
 }
\ No newline at end of file