Изменение атрибута файла

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spiteful_max (2002-10-15 15:54) [0]

Мастера, помогите начинающему - нужно изменить атрибут у файла: если файл стоит только для чтения, то его нужно сделать записываемым

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AL2002 (2002-10-15 16:16) [1]

SetFileAttributes()

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spiteful_max (2002-10-15 17:00) [2]

AL2002 а поподробнее можно

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spiteful_max (2002-10-15 17:03) [3]

хотелось бы конкретный пример.....

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Best Before 2024 (2002-10-15 17:05) [4]

Конкретный пример без конкретного имени файла невозможен

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cosinus (2002-10-15 17:05) [5]

The SetFileAttributes function sets a file"s attributes.

BOOL SetFileAttributes(

LPCTSTR lpFileName, // address of filename
DWORD dwFileAttributes // address of attributes to set
);
Parameters

lpFileName

Points to a string that specifies the name of the file whose attributes are to be set.
Windows 95: This string must not exceed MAX_PATH characters.
Windows NT: There is a default string size limit for paths of MAX_PATH characters. This limit is related to how the SetFileAttributes function parses paths. An application can transcend this limit and send in paths longer than MAX_PATH characters by calling the wide (W) version of SetFileAttributes and prepending "\\?\" to the path. The "\\?\
" tells the function to turn off path parsing; it lets paths longer than MAX_PATH be used with SetFileAttributesW. This also works with UNC names. The "\\?\" is ignored as part of the path. For example, "\\?\C:\myworld\private" is seen as "C:\myworld\private", and "\\?\UNC\bill_g_1\hotstuff\coolapps" is seen as "
\\bill_g_1\hotstuff\coolapps".

dwFileAttributes

Specifies the file attributes to set for the file. This parameter can be a combination of the following values. However, all other values override FILE_ATTRIBUTE_NORMAL.

Value Meaning
FILE_ATTRIBUTE_ARCHIVE The file is an archive file. Applications use this value to mark files for backup or removal.
FILE_ATTRIBUTE_NORMAL The file has no other attributes set. This value is valid only if used alone.
FILE_ATTRIBUTE_HIDDEN The file is hidden. It is not included in an ordinary directory listing.
FILE_ATTRIBUTE_READONLY The file is read-only. Applications can read the file but cannot write to it or delete it.
FILE_ATTRIBUTE_SYSTEM The file is part of the operating system or is used exclusively by it.
FILE_ATTRIBUTE_TEMPORARY The file is being used for temporary storage. File systems attempt to keep all of the data in memory for quicker access rather than flushing the data back to mass storage. A temporary file should be deleted by the application as soon as it is no longer needed.
Windows 95 only: FILE_ATTRIBUTE_ATOMIC_WRITE Reserved for future use; do not specify.
Windows 95 only: FILE_ATTRIBUTE_XACTION_WRITE Reserved for future use; do not specify.
Return Value

If the function succeeds, the return value is TRUE.
If the function fails, the return value is FALSE. To get extended error information, call GetLastError.

Remarks

You cannot use the SetFileAttribute function to set a file"s compression state. Setting FILE_ATTRIBUTE_COMPRESSED in the dwFileAttributes parameter does nothing. Use the DeviceIoControl function and the FSCTL_SET_COMPRESSION operation to set a file"s compression state.

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spiteful_max (2002-10-15 17:27) [6]

Best Before 2024
Файл - Autoexec.bat
типа процедуру создать надо

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Best Before 2024 (2002-10-15 17:43) [7]

SetFileAttributes(PChar("C:\AutoExex.Bat",
FILE_ATTRIBUTE_NORMAL+FILE_ATTRIBUTE_ARCHIVE);

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