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WSAEventSelect.md

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Function name : WSAEventSelect

Group: Windows Sockets 2 (Winsock) - Library: ws2_32

The WSAEventSelect function specifies an event object to be associated with the specified set of FD_XXX network events.

Code examples:

Winsock: sending email messages (SMTP, port 25)
Winsock: retrieving directory listing from an FTP server using passive data connection (FTP, port 21)
Winsock: reading email messages (POP3, port 110)
Winsock: connecting to a news server (NNTP, port 119)

Declaration:

int WSAEventSelect(
  SOCKET s,
  WSAEVENT hEventObject,
  long lNetworkEvents
);

FoxPro declaration:

DECLARE INTEGER WSAEventSelect IN ws2_32;
	INTEGER s,;
	INTEGER hEventObject,;
	INTEGER lNetworkEvents

Parameters:

s [in] Descriptor identifying the socket.

hEventObject [in] Handle identifying the event object to be associated with the specified set of FD_XXX network events.

lNetworkEvents [in] Bitmask that specifies the combination of FD_XXX network events in which the application has interest.

Return value:

The return value is zero if the application"s specification of the network events and the associated event object was successful. Otherwise, the value SOCKET_ERROR is returned, and a specific error number can be retrieved by calling WSAGetLastError.