Server.Items.HouseRaffleStone.InvalidateRegion C# (CSharp) Method

        private void InvalidateRegion()
        {
            if ( m_Region != null )
            {
                m_Region.Unregister();
                m_Region = null;
            }

            if ( ValidLocation() )
            {
                m_Region = new HouseRaffleRegion( this );
                m_Region.Register();
            }
        }