-// ---------------------------------------------------------------------------
-// forward declarations
-// ---------------------------------------------------------------------------
-
-class WXDLLEXPORT wxButton;
-class WXDLLEXPORT wxScrollBar;
-class WXDLLEXPORT wxTopLevelWindowMac;
-
-// internal implementation classes
+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxScrollBar;
+class WXDLLIMPEXP_FWD_CORE wxTopLevelWindowMac;