     1	void DocDs::get_device_property()
     2	{
     3		Tango::DbData	data;
     4		data.push_back(DbDatum("Max"));
     5		data.push_back(DbDatum("Min"));
     6	
     7		get_db_device()->get_property(data);
     8	
     9		if (data[0].is_empty()==false)
    10			data[0]  >>  max;
    11		if (data[1].is_empty()==false)
    12			data[1]  >>  min;
    13	}
