guideHandle.invalidate(); guideHandle.setCanDeleteGuide(true);
	public  void addGuideFeedBack( )	{		if ( guideHandle == null )		{			guideHandle = createGuideHandle( );		}		if ( guideHandle != null && guideHandle != findHandle() )		{			clearGuideHandle( );			getHandleLayer( ).add( guideHandle );		}		else if (guideHandle != null && guideHandle == findHandle())		{			guideHandle.setCanDeleteGuide(false);		}		else if(guideHandle != null)		{			guideHandle.setCanDeleteGuide(true);		}	}