nd</code> class references like 
   this:</P>
   
   <div class='listing'><pre>
    // Initialize MyMacroCommand
    override protected function initializeMacroCommand( ) : void
    {
     addSubCommand( com.me.myapp.controller.FirstCommand );
     addSubCommand( com.me.myapp.controller.SecondCommand );
     addSubCommand( com.me.myapp.controller.ThirdCommand );
    }
   </pre></div>
   
   <P>
   Note that <i>SubCommand</i>s may be any <code>ICommand</code> implementor,
   <code>MacroCommand</code>s or <co