dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo, INDICATOR_SIZE, INDICATOR_SIZE));
dc.SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (255, 255, 255), wxBRUSHSTYLE_SOLID));
dc.DrawRectangle (wxRect (rect.GetLeft() + xo, rect.GetTop() + yo, INDICATOR_SIZE, INDICATOR_SIZE));