This documentation is archived and is not being maintained.


Called by the framework to notify this socket that the connected socket is closed by its process.

virtual void OnClose(
   int nErrorCode 



The most recent error on a socket. The following error codes apply to the OnClose member function:

  • 0   The function executed successfully.

  • WSAENETDOWN   The Windows Sockets implementation detected that the network subsystem failed.

  • WSAECONNRESET   The connection was reset by the remote side.

  • WSAECONNABORTED   The connection was aborted due to timeout or other failure.