RegSaveKey

The RegSaveKey function saves the specified key and all of its subkeys and values to a new file.

LONG RegSaveKey(

HKEY hKey,	// handle of key where save begins
LPCTSTR lpFile,	// address of filename to save to
LPSECURITY_ATTRIBUTES lpSecurityAttributes	// address of security structure
);

Parameters

hKey

Specifies a handle of the key where the save operation is to begin, or any of the following predefined reserved handle values:

HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS

lpFile

Points to a null-terminated string containing the name of the file in which the specified key and subkeys are saved. This file cannot already exist. If this filename includes an extension, it cannot be used on file allocation table (FAT) file systems by the RegLoadKey, RegReplaceKey, or RegRestoreKey function.

lpSecurityAttributes

Windows NT: Pointer to a SECURITY_ATTRIBUTES structure that specifies a security descriptor for the new file. If lpSecurityAttributes is NULL, the file gets a default security descriptor.

Windows 95: This parameter is ignored.

Return Values

If the function succeeds, the return value is ERROR_SUCCESS.

If the function fails, the return value is a nonzero error code defined in WINERROR.H. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a generic description of the error.

Remarks

If hKey represents a key on a remote computer, the path described by lpFile is relative to the remote computer.

The RegSaveKey function saves only nonvolatile keys. It does not save volatile keys. A key is made volatile or nonvolatile at its creation; see RegCreateKeyEx.

Windows NT: The calling process must have the SE_BACKUP_NAME privilege. For more information about privileges, see Privileges.

Windows 95: Security privileges are not supported or required.

See Also

RegCreateKeyEx, RegDeleteKey, RegLoadKey, RegReplaceKey, RegRestoreKey, SECURITY_ATTRIBUTES

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