#if wxUSE_BUSYINFO
-class WXDLLIMPEXP_CORE wxFrame;
+class WXDLLIMPEXP_FWD_CORE wxFrame;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
//--------------------------------------------------------------------------------
// wxBusyInfo
// Can be used in exactly same way as wxBusyCursor
//--------------------------------------------------------------------------------
-class WXDLLEXPORT wxBusyInfo : public wxObject
+class WXDLLIMPEXP_CORE wxBusyInfo : public wxObject
{
public:
wxBusyInfo(const wxString& message, wxWindow *parent = NULL);