#ifndef _WX_DDE_H_BASE_
#define _WX_DDE_H_BASE_
+#include "wx/list.h"
+
+class wxDDEClient;
+class wxDDEServer;
+class wxDDEConnection;
+
+WX_DECLARE_USER_EXPORTED_LIST(wxDDEClient, wxDDEClientList, WXDLLIMPEXP_BASE);
+WX_DECLARE_USER_EXPORTED_LIST(wxDDEServer, wxDDEServerList, WXDLLIMPEXP_BASE);
+WX_DECLARE_USER_EXPORTED_LIST(wxDDEConnection, wxDDEConnectionList, WXDLLIMPEXP_BASE);
+
#if defined(__WXMSW__)
-#include "wx/msw/dde.h"
-#elif defined(__WXMOTIF__)
-#include "wx/motif/dde.h"
-#elif defined(__WXGTK__)
-#include "wx/gtk/dde.h"
-#elif defined(__WXQT__)
-#include "wx/qt/dde.h"
-#elif defined(__WXMAC__)
-#include "wx/mac/dde.h"
-#elif defined(__WXSTUBS__)
-#include "wx/stubs/dde.h"
+ #include "wx/msw/dde.h"
+#else
+ #error DDE is only supported on MSW
#endif
#endif