#if wxUSE_COMBOBOX
-WXDLLEXPORT_DATA(extern const char*) wxComboBoxNameStr;
-WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
+WXDLLEXPORT_DATA(extern const wxChar*) wxComboBoxNameStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
// Combobox item
class WXDLLEXPORT wxComboBox: public wxChoice