#if wxUSE_GRID
-#define wxGRID_VALUE_CHOICEINT _T("choiceint")
-#define wxGRID_VALUE_DATETIME _T("datetime")
+#define wxGRID_VALUE_CHOICEINT wxT("choiceint")
+#define wxGRID_VALUE_DATETIME wxT("datetime")
// the default renderer for the cells containing string data