From 195c7ba6ea5bfc40a0ded905e280e605f657f927 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Fri, 14 Feb 2020 09:40:55 +0100
Subject: [PATCH] Don't ignore available size in window measure.

Fixes #3569.
---
 src/Avalonia.Controls/Window.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Window.cs b/src/Avalonia.Controls/Window.cs
index 0c37858223..6554237b3a 100644
--- a/src/Avalonia.Controls/Window.cs
+++ b/src/Avalonia.Controls/Window.cs
@@ -529,7 +529,7 @@ namespace Avalonia.Controls
         {
             var sizeToContent = SizeToContent;
             var clientSize = ClientSize;
-            Size constraint = clientSize;
+            var constraint = availableSize;
 
             if ((sizeToContent & SizeToContent.Width) != 0)
             {