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RasEnumConnections info  Overview  Group

The RasEnumConnections function lists all active RAS connections. It returns each connection’s handle and phone-book entry name.

DWORD RasEnumConnections(

    LPRASCONN lprasconn,

// buffer to receive connections data

    LPDWORD lpcb,

// size in bytes of buffer

    LPDWORD lpcConnections

// number of connections written to buffer



Points to a buffer that receives an array of RASCONN structures, one for each RAS connection. Before calling the function, an application must set the dwSize member of the first RASCONN structure in the buffer to sizeof(RASCONN) in order to identify the version of the structure being passed.
Points to a variable that contains the size, in bytes, of the buffer specified by lprasconn. On return, the function sets this variable to the number of bytes required to enumerate the RAS connections.
Points to a variable that the function sets to the number of RASCONN structures written to the buffer specified by lprasconn.

Return Values

If the function succeeds, the return value is zero.

If the function fails, the return value is a nonzero error value listed in the RAS header file or one of ERROR_BUFFER_TOO_SMALL or ERROR_NOT_ENOUGH_MEMORY.


If a connection was made without specifying a phone-book entry name, the information returned for that connection will give the connection phone number preceded by “.”.

See Also

RASCONN, RasEnumEntries, RasGetConnectStatus 

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