From 3ca9fabb02cc73e40d3496befbf10533e73b5cf1 Mon Sep 17 00:00:00 2001
From: Max Katz <maxkatz6@outlook.com>
Date: Fri, 24 Sep 2021 09:56:46 -0400
Subject: [PATCH] Merge pull request #6639 from
 Takoooooo/fix-expander-headertemplate-for-simple-theme

Fix Expander HeaderTemplate for Simple Theme
---
 src/Avalonia.Themes.Default/Expander.xaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Avalonia.Themes.Default/Expander.xaml b/src/Avalonia.Themes.Default/Expander.xaml
index 5e0958c54c..7df65677b6 100644
--- a/src/Avalonia.Themes.Default/Expander.xaml
+++ b/src/Avalonia.Themes.Default/Expander.xaml
@@ -101,6 +101,7 @@
                               Grid.Column="1" 
                               Background="Transparent" 
                               Content="{TemplateBinding Content}" 
+                              ContentTemplate="{Binding $parent[Expander].HeaderTemplate}"
                               VerticalAlignment="Center" 
                               HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                               VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"