bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);