Flex 3 DataGridColumn HeaderText Localization

headerText="{localizedHeaderText('LABEL_USER_NAME')}

override protected function resourcesChanged():void {
    super.resourcesChanged();
    dispatchEvent(new Event("localeChange"));
}

[Bindable(event="localeChange")]
public function localizedHeaderText(key:String):String {
    return resourceManager.getString('resources', key);
}