From 2f383eaa7d3000513a6a3675ec731a99099cd0a3 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 27 Mar 2009 22:37:22 +0000
Subject: [PATCH] don't reset WS_EX_CONTROLPARENT bit in
 wxNotebook::MSWGetStyle(), this can result in freezing the program

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@59897 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/notebook.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index ff7022558c..a231fe161b 100644
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -421,12 +421,11 @@ WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
     else if ( style & wxBK_RIGHT )
         tabStyle |= TCS_VERTICAL | TCS_RIGHT;
 
-    // ex style
     if ( exstyle )
     {
         // note that we never want to have the default WS_EX_CLIENTEDGE style
         // as it looks too ugly for the notebooks
-        *exstyle = 0;
+        *exstyle &= ~WS_EX_CLIENTEDGE;
     }
 
     return tabStyle;