System.Net.Sockets.SocketAsyncEventArgs.FinishOperationAccept C# (CSharp) Method

        private SocketError FinishOperationAccept(Internals.SocketAddress remoteSocketAddress)
        {
            SocketError socketError;
            IntPtr localAddr;
            int localAddrLength;
            IntPtr remoteAddr;

            try
            {
                _currentSocket.GetAcceptExSockaddrs(
                    _ptrSingleBuffer != IntPtr.Zero ? _ptrSingleBuffer : _ptrAcceptBuffer,
                    _count != 0 ? _count - _acceptAddressBufferCount : 0,
                    _acceptAddressBufferCount / 2,
                    _acceptAddressBufferCount / 2,
                    out localAddr,
                    out localAddrLength,
                    out remoteAddr,
                    out remoteSocketAddress.InternalSize
                    );
                Marshal.Copy(remoteAddr, remoteSocketAddress.Buffer, 0, remoteSocketAddress.Size);

                // Set the socket context.
                IntPtr handle = _currentSocket.SafeHandle.DangerousGetHandle();

                socketError = Interop.Winsock.setsockopt(
                    _acceptSocket.SafeHandle,
                    SocketOptionLevel.Socket,
                    SocketOptionName.UpdateAcceptContext,
                    ref handle,
                    Marshal.SizeOf(handle));

                if (socketError == SocketError.SocketError)
                {
                    socketError = SocketPal.GetLastSocketError();
                }
            }
            catch (ObjectDisposedException)
            {
                socketError = SocketError.OperationAborted;
            }

            return socketError;
        }