#ifndef _WX_DDE_H_BASE_
#define _WX_DDE_H_BASE_
+#include "wx/list.h"
+
+class wxDDEClient;
+class wxDDEServer;
+class wxDDEConnection;
+
+WX_DECLARE_EXPORTED_LIST(wxDDEClient, wxDDEClientList);
+WX_DECLARE_EXPORTED_LIST(wxDDEServer, wxDDEServerList);
+WX_DECLARE_EXPORTED_LIST(wxDDEConnection, wxDDEConnectionList);
+
+
#if defined(__WXMSW__)
#include "wx/msw/dde.h"
#elif defined(__WXMOTIF__)