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NetSessionEnum info  Overview  Group

The NetSessionEnum function provides information about all current sessions.

Windows 95:
This function is exported by SVRAPI.DLL. Therefore, link your application with SVRAPI.LIB.

Security Requirements

Only members of the Administrators or Account Operators local group can successfully execute NetSessionEnum at level 1 or level 2. No special group membership is required for level 0 or level 10 calls.

NET_API_STATUS NetSessionEnum(

    LPTSTR servername,

    LPTSTR UncClientName,

    LPTSTR username,

    DWORD level,

    LPBYTE *bufptr,

    DWORD prefmaxlen,

    LPDWORD entriesread,

    LPDWORD totalentries,

    LPDWORD resume_handle 

   );

Parameters

servername
Pointer to a Unicode string containing the name of the remote server on which the function is to execute. A NULL pointer or string specifies the local computer.
UncClientName
Pointer to a Unicode string containing the name of the computer session for which information is to be returned. A NULL pointer or string specifies that all computer sessions on the server are to be enumerated.
username
Pointer to a Unicode string containing the name of the the user for which to enumerate the sessions. A NULL pointer or string specifies that sessions for all users are to be enumerated.
level
Specifies one of the following values to return the level of information provided.

Value

Meaning

0

The bufptr parameter points to an array of SESSION_INFO_0 structures.

1

The bufptr parameter points to an array of SESSION_INFO_1 structures.

2

The bufptr parameter points to an array of SESSION_INFO_2 structures.

10

The bufptr parameter points to an array of SESSION_INFO_10 structures.

502

The bufptr parameter points to an array of SESSION_INFO_502 structures.

bufptr
Pointer to the buffer in which the data set with the level parameter is stored.
prefmaxlen
Preferred maximum length, in 8-bit bytes of returned data.
entriesread
Pointer to a DWORD that contains the actual enumerated element count.
totalentries
Pointer to a DWORD that contains the total number of entries that could have been enumerated from the current resume position.
resume_handle
Pointer to a DWORD that contains resume_handle, which is used to continue an existing session search. The handle should be zero on the first call and left unchanged for subsequent calls. If resume_handle is NULL, no resume handle is stored.

Return Values

If the function returns account information, the return value is NERR_Success.

If the function fails, the return value is one of the following error codes.

Value

Meaning

ERROR_ACCESS_DENIED

The user does not have access to the requested information.

ERROR_INVALID_LEVEL

The value specified for the Level parameter is invalid.

ERROR_INVALID_PARAMETER

The specified parameter is invalid.

ERROR_NOT_ENOUGH_MEMORY

Insufficient memory is available.

NERR_ClientNameNotFound

The specified computer does not have a session with the computer.

NERR_InvalidComputer

The computer name is invalid.

NERR_UserNotFound

The user name could not be found.

See Also

NetSessionGetInfo, SESSION_INFO_0, SESSION_INFO_1, SESSION_INFO_2, SESSION_INFO_10, SESSION_INFO_502

See also:


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