From 0470369af056c13d5af388e827cf39eaf394cec1 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Fri, 3 Jun 2022 15:20:22 +0100
Subject: [PATCH] osx: ensure shadow is invalidated on show.

---
 native/Avalonia.Native/src/OSX/WindowBaseImpl.mm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
index ea9ef3c9de..46f2ac0092 100644
--- a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
+++ b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
@@ -99,6 +99,8 @@ HRESULT WindowBaseImpl::Show(bool activate, bool isDialog) {
         }
 
         UpdateStyle();
+        
+        [Window invalidateShadow];
 
         if (ShouldTakeFocusOnShow() && activate) {
             [Window orderFront:Window];