     1	namespace B
     2	{
     3	
     4	class BClass : public A::AClass
     5	{
     6	.....
     7	}
     8	
     9	BClass::command_factory()
    10	{
    11		A::AClass::command_factory();
    12	
    13		command_list.push_back(....);
    14	}
    15	
    16	} /* End of B namespace */
