#include "wx/ownerdrw.h"
 #include "wx/settings.h"
 #include "wx/dcmemory.h"
+#include "wx/dcscreen.h"
 #include "wx/os2/checklst.h"
 #include "wx/log.h"
 
 , int                               nStrings
 , const wxString                    asChoices[]
 , long                              lStyle
-#if wxUSE_VALIDATORS
 , const wxValidator&                rVal
-#endif
 , const wxString&                   rsName
 )
               : wxListBox()
            ,nStrings
            ,asChoices
            ,lStyle | wxLB_OWNERDRAW
-#if wxUSE_VALIDATORS
            ,rVal
-#endif
            ,rsName
           );
 } // end of wxCheckListBox::wxCheckListBox