virtual void OnDraw(wxDC& WXUNUSED(dc)) {};
// Override this function if you don't want to have wxScrolledWindow
// automatically change the origin according to the scroll position.
virtual void PrepareDC(wxDC& dc);
virtual void OnDraw(wxDC& WXUNUSED(dc)) {};
// Override this function if you don't want to have wxScrolledWindow
// automatically change the origin according to the scroll position.
virtual void PrepareDC(wxDC& dc);