From dd17e85271726135ea5e87b6b28f4d371c2f9a40 Mon Sep 17 00:00:00 2001
From: Max Katz <maxkatz6@outlook.com>
Date: Mon, 19 Aug 2024 20:01:30 -0700
Subject: [PATCH] window.WindowDecorationMargin.Top can be negative, but Height
 cannot (#16735)

---
 src/Avalonia.Controls/Chrome/TitleBar.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Chrome/TitleBar.cs b/src/Avalonia.Controls/Chrome/TitleBar.cs
index d796fabb05..01ec6c24fb 100644
--- a/src/Avalonia.Controls/Chrome/TitleBar.cs
+++ b/src/Avalonia.Controls/Chrome/TitleBar.cs
@@ -27,7 +27,7 @@ namespace Avalonia.Controls.Chrome
 
             if (window.WindowState != WindowState.FullScreen)
             {
-                Height = window.WindowDecorationMargin.Top;
+                Height = Math.Max(0, window.WindowDecorationMargin.Top);
 
                 if (_captionButtons != null)
                 {