From 54a6974c51b533d398bfc13f06cf5e26f13866c1 Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Thu, 9 Feb 2006 15:16:21 +0000
Subject: [PATCH] guard against empty ref

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/mac/carbon/region.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mac/carbon/region.cpp b/src/mac/carbon/region.cpp
index 751177afde..b20a78b000 100644
--- a/src/mac/carbon/region.cpp
+++ b/src/mac/carbon/region.cpp
@@ -282,7 +282,10 @@ wxRect wxRegion::GetBox() const
 // Is region empty?
 bool wxRegion::Empty() const
 {
-    return EmptyRgn( M_REGION ) ;
+    if ( m_refData )
+        return EmptyRgn( M_REGION ) ;
+    else
+        return true ;
 }
 
 const WXHRGN wxRegion::GetWXHRGN() const
-- 
2.50.0