From a96cb03ad6308f246b6c36454e1c33014e244183 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Wed, 15 Dec 2021 11:03:53 +0300
Subject: [PATCH] [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();