RasGetSubEntryProperties

[New - Windows NT]

The RasGetSubEntryProperties function retrieves information about a subentry for a specified phone-book entry.

DWORD RasGetSubEntryProperties(

LPTSTR lpszPhonebook,	// pointer to full path and filename of phone-book file
LPTSTR lpszEntry,	// pointer to an entry name
DWORD dwSubEntry,	// index of the subentry
LPRASSUBENTRY lpRasSubEntry,	// pointer to structure that receives information about subentry
LPDWORD lpdwcb	// size, in bytes, of the structure
);

Parameters

lpszPhonebook

Windows NT: Pointer to a null-terminated string that specifies the full path and filename of a phone-book (.PBK) file. If this parameter is NULL, the function uses the current default phone-book file. The default phone-book file is the one selected by the user in the User Preferences property sheet of the Dial-Up Networking dialog box.

lpszEntry

Pointer to a null-terminated string containing the name of an existing entry in the phone book.

dwSubEntry

Specifies the one-based index of the subentry.

lpRasSubEntry

Pointer to a RASSUBENTRY structure followed by additional bytes for the alternate phone number list, if there is one. The structure receives the information about the specified subentry. Before calling the function, set the dwSize member of the structure to sizeof(RASSUBENTRY) to identify the version of the structure. This parameter can be NULL.

lpdwcb

Pointer to a variable that contains the size, in bytes, of the lpRasSubEntry buffer. On return, the function sets this variable to the number of bytes returned, or the number of bytes required if the buffer is too small. This parameter can be NULL if lpRasSubEntry is NULL.

Return Values

If the function succeeds, the return value is zero.

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

Value	Meaning
ERROR_INVALID_PARAMETER	The function was called with an invalid parameter.
ERROR_BUFFER_INVALID	The address or buffer specified by lpRasSubEntry is invalid.
ERROR_BUFFER_TOO_SMALL	The lpRasSubEntry buffer is too small. The lpdwcb variable receives the required buffer size.
ERROR_CANNOT_OPEN_PHONEBOOK	The phone book is corrupted or is missing components.
ERROR_CANNOT_FIND_PHONEBOOK_ENTRY	The phone-book entry does not exist.

Remarks

A RAS phone-book entry can have zero or more subentries, each minimally consisting of a device and a phone number. A phone-book entry with multiple subentries can be configured to dial the first available or all subentries when the entry is dialed.

Use the RasGetEntryProperties function to retrieve a RASENTRY structure containing information about the subentries of a phone-book entry. The dwSubEntries member indicates the number of subentries and the dwDialMode member indicates the dialing configuration.

See Also

RasGetEntryProperties, RASENTRY, RasSetSubEntryProperties, RASSUBENTRY

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