when memory dumps out debug info, lookups can go wrong, since the list is not there...

[wxWidgets.git] / src / mac / toplevel.cpp

diff --git a/src/mac/toplevel.cpp b/src/mac/toplevel.cpp
index a4b965bcbfa4b5eaa37995a9b4d0e9ce3cdc24ea..f5598a3c9f069377647acfbcf545f2e64e619331 100644 (file)
--- a/src/mac/toplevel.cpp
+++ b/src/mac/toplevel.cpp
@@ -421,6 +421,8 @@ DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacWindowEventHandler )
 wxList *wxWinMacWindowList = NULL;
 wxTopLevelWindowMac *wxFindWinFromMacWindow(WXWindow inWindowRef)
 {
+    if ( wxWinMacWindowList == NULL )
+        return NULL ;
     wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
     if (!node)
         return NULL;