From 65d312f6015e9f01219fffdd376033eb5c4d5fce Mon Sep 17 00:00:00 2001
From: Justin Bull <me@justinbull.ca>
Date: Sun, 22 Jan 2023 15:43:14 -0500
Subject: [PATCH] WM_DESTROY callback must return 0

fixes #112
---
 win10toast/__init__.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/win10toast/__init__.py b/win10toast/__init__.py
index 8ed1bc5..ff583c4 100644
--- a/win10toast/__init__.py
+++ b/win10toast/__init__.py
@@ -143,6 +143,8 @@ def notification_active(self):
 
     def on_destroy(self, hwnd, msg, wparam, lparam):
         """Clean after notification ended.
+        
+        See https://learn.microsoft.com/en-us/windows/win32/winmsg/wm-destroy#return-value
 
         :hwnd:
         :msg:
@@ -153,5 +155,5 @@ def on_destroy(self, hwnd, msg, wparam, lparam):
         Shell_NotifyIcon(NIM_DELETE, nid)
         PostQuitMessage(0)
 
-        return None
+        return 0