System.Net.Cache.CombinedReadStream.Dispose C# (CSharp) Method

        protected virtual void Dispose(bool disposing, CloseExState closeState) {

            // All below calls should already be idempotent

            try {
                if (!m_HeadEOF) {
                    ICloseEx icloseEx = m_HeadStream as ICloseEx;
                    if (icloseEx != null) {
                        icloseEx.CloseEx(closeState);
                    }
                    else {
                        m_HeadStream.Close();
                    }
                }
            }
            finally {
                ICloseEx icloseEx = m_TailStream as ICloseEx;
                if (icloseEx != null) {
                    icloseEx.CloseEx(closeState);
                }
                else {
                    m_TailStream.Close();
                }
            }

            if (!disposing) {
                m_HeadStream = null;
                m_TailStream = null;
            }
        }