<?xml version="1.0"?>
  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
      <![CDATA[
        import mx.core.ComponentDescriptor;
                 
        private function createComponents(event:Event):void 
        {
          CONTAINER.createComponentsFromDescriptors();
                      
          for(var i:int = 0 ; i < CONTAINER.childDescriptors.length; i++) 
          {
            var mDescriptor:ComponentDescriptor = CONTAINER.childDescriptors[i];
            var mObj:Object = mDescriptor.properties;
            TEXTAREA.text += String("ID:"+ mDescriptor.id +"\nTYPE:"+ mDescriptor.type +"\n");
            for(var j:String in mObj)
            {
              TEXTAREA.text += String("PROPERTY "+ j +"= "+ mObj[j] +"\n");
            }
            TEXTAREA.text += String("-------------\n");
          }          
        }
        
        private function componentCreationHandler(event:Event):void {
                TEXTAREA.text += String("NOTE: creationComplete on "+event.target.id+" was called\n");
        }
  
      ]]>
      </mx:Script>
      <mx:Button label="CREATE COMPONENTS" click="createComponents(event);" />
      <mx:HBox id="CONTAINER" creationPolicy="none" creationComplete="componentCreationHandler(event)">
        <mx:Button id="ADDED_BUTTON_1" 
          label="BUTTON COMPONENT 01" 
          alpha=".5" 
          creationComplete="componentCreationHandler(event)"/>
        <mx:Button id="ADDED_BUTTON_2" 
          label="BUTTON COMPONENT 02" 
          alpha=".3"
          creationComplete="componentCreationHandler(event)"/>
        <mx:Button id="ADDED_BUTTON_3"
          label="BUTTON COMPONENT 03"
          alpha=".2" 
          creationComplete="componentCreationHandler(event)"/>
      </mx:HBox>
      <mx:TextArea id="TEXTAREA" width="350" height="300" />
  </mx:Application>