From 8c981ec64d9a86e9bad5f4ef16f496513bce31f6 Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Fri, 8 Sep 2006 08:27:32 +0000
Subject: [PATCH] make sure we catch invalid control refs better

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41064 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/mac/carbon/utils.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mac/carbon/utils.cpp b/src/mac/carbon/utils.cpp
index 240161a190..3824110a77 100644
--- a/src/mac/carbon/utils.cpp
+++ b/src/mac/carbon/utils.cpp
@@ -826,6 +826,11 @@ void wxMacControl::Init()
 
 void wxMacControl::Dispose()
 {
+    wxASSERT_MSG( IsValidControlHandle(m_controlRef) , wxT("Invalid Control Handle (maybe already released) in Dispose") );
+
+    CFIndex count = CFGetRetainCount( m_controlRef ) ;
+    wxASSERT_MSG( count == 1 , wxT("Reference Count of native control was not 1 in Dispose") );
+
     ::DisposeControl( m_controlRef );
     m_controlRef = NULL;
 }
-- 
2.47.2