      *  @playerversion AIR 1.5
      *  @productversion Flex 4
      */
-    [Bindable]
+    [Bindable("dataProviderChanged")]
+    
     public function get dataProvider():IList
     {       
         return (dataGroup) 

        }
        else
            dataGroupProperties.dataProvider = value;
    }
    
    //----------------------------------


package spark.components
{

import flash.events.Event;

import mx.collections.IList;
import mx.core.IFactory;
