From 2517546be1599c63843e45bf1ac6c9ddb9c0dbf4 Mon Sep 17 00:00:00 2001
From: Jonas Kümmerlin <jonas@kuemmerlin.eu>
Date: Wed, 2 Jan 2019 17:44:51 +0100
Subject: implement cleanup functions

---
 alf/alfbutton.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'alf/alfbutton.cpp')

diff --git a/alf/alfbutton.cpp b/alf/alfbutton.cpp
index 2df9fc9..729e7ee 100644
--- a/alf/alfbutton.cpp
+++ b/alf/alfbutton.cpp
@@ -65,6 +65,8 @@ ALF__ButtonSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT
                                        p->left, p->top + padding,
                                        p->right - p->left, p->bottom - p->top - 2*padding,
                                        SWP_NOZORDER|SWP_NOACTIVATE);
+    } else if (uMsg == WM_DESTROY) {
+        app->compatFn->RemoveWindowSubclass(hwnd, ALF__ButtonSubclassProc, 0);
     }
 
     return app->compatFn->DefSubclassProc(hwnd, uMsg, wParam, lParam);
-- 
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