FreeSWITCH.Native.ManagedSession.Dispose C# (CSharp) Method

        public override void Dispose()
        {
            lock(this) {
              if(swigCPtr.Handle != IntPtr.Zero && swigCMemOwn) {
            swigCMemOwn = false;
            freeswitchPINVOKE.delete_ManagedSession(swigCPtr);
              }
              swigCPtr = new HandleRef(null, IntPtr.Zero);
              GC.SuppressFinalize(this);
              base.Dispose();
            }
        }

        /// <summary>
        /// Performs originate. Returns ManagedSession on success, null on failure.
        /// onHangup is called as a state handler, after the channel is truly hungup (CS_REPORTING).
        /// </summary>
        public static ManagedSession OriginateHandleHangup(CoreSession aLegSession, string destination, TimeSpan timeout, Action <ManagedSession> onHangup)
        {
            var bleg = new ManagedSession();

            bleg.originate_ondestroy_delegate = bleg.originate_ondestroy_method;
            bleg.originate_onhangup_delegate  = CreateStateHandlerDelegate(bleg, sess_b => {
                if (onHangup != null)
                {
                    onHangup(sess_b);
                }
            });
            bleg.originate_table = new switch_state_handler_table();
            bleg.originate_table.on_reporting = WrapStateHandlerDelegate(bleg.originate_onhangup_delegate);
            bleg.originate_table.on_destroy   = WrapStateHandlerDelegate(bleg.originate_ondestroy_delegate);
            bleg.originate_table.flags        = (int)switch_state_handler_flag_t.SSH_FLAG_STICKY;
            var res = 0 == bleg.originate(aLegSession, destination, (int)timeout.TotalSeconds, bleg.originate_table);

            bleg.originate_keepalive_handle = GCHandle.Alloc(bleg, GCHandleType.Normal); // Prevent GC from eating the bleg
            if (res)
            {
                bleg.Initialize();
                return(bleg);
            }
            else
            {
                // Dispose to free the lock
                // The bleg lives on with its unmanaged memory freed
                // Until CS_DESTROY gets called
                bleg.Dispose();
                return(null);
            }
        }