// when the user clicks mouse outside it or if it loses focus in any other way
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxPopupWindowHandler;
-class WXDLLEXPORT wxPopupFocusHandler;
+class WXDLLIMPEXP_FWD_CORE wxPopupWindowHandler;
+class WXDLLIMPEXP_FWD_CORE wxPopupFocusHandler;
class WXDLLEXPORT wxPopupTransientWindow : public wxPopupWindow
{
// wxPopupComboWindow: wxPopupTransientWindow used by wxComboBox
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxComboBox;
-class WXDLLEXPORT wxComboCtrl;
+class WXDLLIMPEXP_FWD_CORE wxComboBox;
+class WXDLLIMPEXP_FWD_CORE wxComboCtrl;
class WXDLLEXPORT wxPopupComboWindow : public wxPopupTransientWindow
{