From 09f4ab8ea06958b49ea12bcc5bd55da86292441a Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 15 Dec 2021 16:35:23 +0000
Subject: [PATCH] Merge pull request #7163 from
 AvaloniaUI/fixes/7158-dispose-x11-transparency-helper

[X11] Dispose transparency helper
---
 src/Avalonia.X11/X11Window.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Avalonia.X11/X11Window.cs b/src/Avalonia.X11/X11Window.cs
index b2bc9d1a35..982bca6439 100644
--- a/src/Avalonia.X11/X11Window.cs
+++ b/src/Avalonia.X11/X11Window.cs
@@ -785,6 +785,12 @@ namespace Avalonia.X11
 
         void Cleanup()
         {
+            if (_transparencyHelper != null)
+            {
+                _transparencyHelper.Dispose();
+                _transparencyHelper = null;
+            }
+            
             if (_imeControl != null)
             {
                 _imeControl.Dispose();