virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
virtual void OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const;
virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
virtual void OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const;