#include "wx/control.h" // the base class
#include "wx/dcclient.h" // for wxPaintDC
-class WXDLLEXPORT wxComboBox;
-class WXDLLEXPORT wxStaticText;
-class WXDLLEXPORT wxSpinCtrl;
+class WXDLLIMPEXP_FWD_CORE wxComboBox;
+class WXDLLIMPEXP_FWD_CORE wxStaticText;
+class WXDLLIMPEXP_FWD_CORE wxSpinCtrl;
#define wxCalendarNameStr _T("CalendarCtrl")