don't place NULL pointers in the GDK window array in GTKGetWindow()
[wxWidgets.git] / interface / wx / dataview.h
index 6fa9f2442cf1a2ef6cf17d4469490af99bbe13c9..79db099c1fb399defcf11fb453cf1183c263e63f 100644 (file)
@@ -107,7 +107,7 @@ public:
     virtual int Compare(const wxDataViewItem& item1,
                         const wxDataViewItem& item2,
                         unsigned int column,
-                        bool ascending);
+                        bool ascending) const;
 
     /**
         Override this to indicate that the item has special font attributes.