From 15290a3240c18507c28aa4895234476e7ff0fde0 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Sat, 19 Aug 2023 13:31:47 +0100
Subject: [PATCH] win32: make setting ShowInTaskbar = true on an owned window
 that is already shown, not remove the ownership

This makes us consistent with WPF.
---
 src/Windows/Avalonia.Win32/WindowImpl.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs
index 154b20ef84..e9156e553d 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -683,9 +683,10 @@ namespace Avalonia.Win32
             if (parentHwnd == IntPtr.Zero && !_windowProperties.ShowInTaskbar)
             {
                 parentHwnd = OffscreenParentWindow.Handle;
-                _hiddenWindowIsParent = true;
             }
 
+            _hiddenWindowIsParent = parentHwnd == OffscreenParentWindow.Handle;
+
             SetWindowLongPtr(_hwnd, (int)WindowLongParam.GWL_HWNDPARENT, parentHwnd);
         }