DesignElement.PROPERTY_MASKS_PROP );
IDesignElementModel.PROPERTY_MASKS_PROP );
	public String getPropertyMask( Module module, String propName )	{		DesignElement e = this;		do		{			ArrayList masks = (ArrayList) e.getLocalProperty( module,					DesignElement.PROPERTY_MASKS_PROP );			if ( masks != null )			{				for ( int i = 0; i < masks.size( ); i++ )				{					PropertyMask mask = (PropertyMask) masks.get( i );					if ( propName.equals( mask.getName( ) ) )						return mask.getMask( );				}			}			e = e.getExtendsElement( );		} while ( e != null );		return null;	}