git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24281 
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
 
         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
 
-        if ((event.m_eventType == entry->m_eventType) && (entry->m_fn != NULL))
+        if ((event.m_eventType == entry->m_eventType) && (entry->m_fn != 0))
         {
             wxEvtHandler *handler =
 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
         {
             wxEvtHandler *handler =
 #if !WXWIN_COMPATIBILITY_EVENT_TYPES