From b818ca05d4193648b20c3c4f7e6af9ffa639cbf0 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 20 May 2020 18:23:37 -0300
Subject: [PATCH] always draw the border.

---
 src/Windows/Avalonia.Win32/WindowImpl.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs
index 6a78c150e0..5eb92a4023 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -268,7 +268,7 @@ namespace Avalonia.Win32
                     break;
             }
 
-            accent.AccentFlags = 2;
+            accent.AccentFlags = 2 | (int)(AccentFlags.DrawLeftBorder | AccentFlags.DrawBottomBorder | AccentFlags.DrawRightBorder | AccentFlags.DrawTopBorder);
             accent.GradientColor = 0x00FFFFFF;
 
             var accentPtr = Marshal.AllocHGlobal(accentStructSize);