From dc83e7851805f6707b1aa5d6a9e0c7330ad05ffe Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Mon, 31 May 2021 17:14:03 +0100
Subject: [PATCH] Merge pull request #5989 from
 AvaloniaUI/fixes/5988-showactivated-extendclientarea

Don't activate window when extending client area.
---
 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 082aca1109..3a3342fd14 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -900,7 +900,7 @@ namespace Avalonia.Win32
                 IntPtr.Zero,
                 rcWindow.left, rcWindow.top,
                 rcClient.Width, rcClient.Height,
-                SetWindowPosFlags.SWP_FRAMECHANGED);
+                SetWindowPosFlags.SWP_FRAMECHANGED | SetWindowPosFlags.SWP_NOACTIVATE);
 
             if (_isClientAreaExtended && WindowState != WindowState.FullScreen)
             {