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WNetGetConnection info  Overview  Group

The WNetGetConnection function retrieves the name of the network resource associated with a local device.

DWORD WNetGetConnection(

    LPCTSTR lpLocalName,

// pointer to local name

    LPTSTR lpRemoteName,

// pointer to buffer for remote name

    LPDWORD lpnLength 

// pointer to buffer size, in characters

   );

Parameters

lpLocalName
Points to a null-terminated string that specifies the name of the local device to get the network name for.
lpRemoteName
Points to a buffer that receives the null-terminated remote name used to make the connection.
lpnLength
Points to a variable that specifies the size, in characters, of the buffer pointed to by the lpRemoteName parameter. If the function fails because the buffer is not big enough, this parameter returns the required buffer size.

Return Values

If the function succeeds, the return value is NO_ERROR.

If the function fails, the return value is an error code. To get extended error information, call GetLastError. GetLastError may return one of the following error codes:

Value

Meaning

ERROR_BAD_DEVICE

The string pointed to by the lpLocalName parameter is invalid.

ERROR_NOT_CONNECTED

The device specified by lpLocalName is not redirected.

ERROR_MORE_DATA

The buffer is too small. The lpnLength parameter points to a variable that contains the required buffer size. More entries are available with subsequent calls.

ERROR_CONNECTION_UNAVAIL

The device is not currently connected, but it is a persistent connection.

ERROR_NO_NETWORK

No network is present.

ERROR_EXTENDED_ERROR

A network-specific error occurred. To get a description of the error, use the WNetGetLastError function.

ERROR_NO_NET_OR_BAD_PATH

None of the providers recognized this local name as having a connection. However, the network is not available for at least one provider to whom the connection may belong.

The WNetGetConnection function returns error codes for compatibility with Windows version 3.1. For compatibility with the Win32 API, the function also sets the error code value returned by GetLastError.

See Also

WNetAddConnection2, WNetAddConnection3, WNetGetLastError, WNetGetUser

file: /Techref/os/win/api/win32/func/src/f92_8.htm, 5KB, , updated: 2002/2/3 10:08, local time: 2024/11/13 02:19,
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