#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
-class WXDLLEXPORT wxColour;
-class WXDLLEXPORT wxBitmap;
+class WXDLLIMPEXP_FWD_CORE wxColour;
+class WXDLLIMPEXP_FWD_CORE wxBitmap;
// ========================================================================
// wxPen