From 9c57223c809f020d563f8b3cc69048fbc03feee1 Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Mon, 7 May 2007 23:44:39 +0000
Subject: [PATCH] Assert on NULL window

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@45871 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/mac/carbon/dcclient.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mac/carbon/dcclient.cpp b/src/mac/carbon/dcclient.cpp
index 27164c2c9e..f50ec02f4c 100644
--- a/src/mac/carbon/dcclient.cpp
+++ b/src/mac/carbon/dcclient.cpp
@@ -258,6 +258,7 @@ wxClientDC::wxClientDC()
 wxClientDC::wxClientDC(wxWindow *window) :
     wxWindowDC( window )
 {
+    wxCHECK_RET( window, _T("invalid window in wxClientDC") );
     wxPoint origin = window->GetClientAreaOrigin() ;
     m_window->GetClientSize( &m_width , &m_height);
     SetDeviceOrigin( origin.x, origin.y );
@@ -266,6 +267,7 @@ wxClientDC::wxClientDC(wxWindow *window) :
 #else
 wxClientDC::wxClientDC(wxWindow *window)
 {
+    wxCHECK_RET( window, _T("invalid window in wxClientDC") );
     m_window = window ;
     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
     if (!rootwindow)