// to derive from the wxControlWithArrows interface and implement its methods.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxControlWithArrows;
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxMouseEvent;
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxRenderer;
+class WXDLLIMPEXP_FWD_CORE wxControlWithArrows;
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxMouseEvent;
+class WXDLLIMPEXP_FWD_CORE wxRect;
+class WXDLLIMPEXP_FWD_CORE wxRenderer;
// ----------------------------------------------------------------------------
// wxScrollArrows: an abstraction of scrollbar arrow