// type is an 'or' (|) of wxOK, wxCANCEL, wxYES_NO
// Returns wxYES/NO/OK/CANCEL
-WXDLLEXPORT_DATA(extern const char*) wxMessageBoxCaptionStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxMessageBoxCaptionStr;
class WXDLLEXPORT wxGenericMessageDialog: public wxDialog
{