From 4deef1d57b2b719a69671b7f405661ba0abbf579 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@users.noreply.github.com>
Date: Fri, 7 Sep 2018 22:53:07 +0200
Subject: [PATCH] Enable TreeView horizontal scrollbar. (#1872)

Fixes #1871.
---
 src/Avalonia.Themes.Default/TreeView.xaml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Themes.Default/TreeView.xaml b/src/Avalonia.Themes.Default/TreeView.xaml
index 42c0b2cdd9..4e38c6db3a 100644
--- a/src/Avalonia.Themes.Default/TreeView.xaml
+++ b/src/Avalonia.Themes.Default/TreeView.xaml
@@ -3,11 +3,15 @@
   <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderMidBrush}"/>
   <Setter Property="BorderThickness" Value="{DynamicResource ThemeBorderThickness}"/>
   <Setter Property="Padding" Value="4"/>
+  <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
+  <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
   <Setter Property="Template">
     <ControlTemplate>
       <Border BorderBrush="{TemplateBinding BorderBrush}"
               BorderThickness="{TemplateBinding BorderThickness}">
-        <ScrollViewer Background="{TemplateBinding Background}">
+        <ScrollViewer Background="{TemplateBinding Background}"
+                      HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
+                      VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
           <ItemsPresenter Name="PART_ItemsPresenter"
                           Items="{TemplateBinding Items}"
                           ItemsPanel="{TemplateBinding ItemsPanel}"
@@ -17,4 +21,4 @@
       </Border>
     </ControlTemplate>
   </Setter>
-</Style>
\ No newline at end of file
+</Style>