+#ifndef _WX_DIRDLG_H_BASE_
+#define _WX_DIRDLG_H_BASE_
+
+#if wxUSE_DIRDLG
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(extern const wxChar*) wxDirDialogNameStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxDirDialogDefaultFolderStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;