From cf16418d21815fddd6d8f8a3822c524179b1dae3 Mon Sep 17 00:00:00 2001
From: Benedikt Stebner <Gillibald@users.noreply.github.com>
Date: Mon, 10 Oct 2022 18:34:40 +0200
Subject: [PATCH] Adjust visual logical tree reset

---
 src/Avalonia.Controls/RichTextBlock.cs | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/Avalonia.Controls/RichTextBlock.cs b/src/Avalonia.Controls/RichTextBlock.cs
index a7eee504ec..d0b713ba56 100644
--- a/src/Avalonia.Controls/RichTextBlock.cs
+++ b/src/Avalonia.Controls/RichTextBlock.cs
@@ -538,9 +538,14 @@ namespace Avalonia.Controls
 
         protected override Size MeasureOverride(Size availableSize)
         {
-            LogicalChildren.Clear();
+            if(_textRuns != null)
+            {
+                LogicalChildren.Clear();
+
+                VisualChildren.Clear();
 
-            VisualChildren.Clear();
+                _textRuns = null;
+            }
 
             if (Inlines != null && Inlines.Count > 0)
             {
@@ -558,7 +563,7 @@ namespace Avalonia.Controls
                     if (textRun is EmbeddedControlRun controlRun &&
                         controlRun.Control is Control control)
                     {
-                        ((ISetLogicalParent)control).SetParent(this);
+                        LogicalChildren.Add(control);
 
                         VisualChildren.Add(control);
 
@@ -568,10 +573,6 @@ namespace Avalonia.Controls
 
                 _textRuns = textRuns;
             }
-            else
-            {
-                _textRuns = null;
-            }
 
             return base.MeasureOverride(availableSize);
         }