The CopyFileEx function copies an existing file to a new file. This function preserves extended attributes, OLE structured storage, NTFS alternate data streams, and file attributes. Security attributes for the existing file are not copied to the new file.
BOOL CopyFileEx(
LPCWSTR lpExistingFileName, |
// pointer to name of an existing file |
LPCWSTR lpNewFileName, |
// pointer to filename to copy to |
LPPROGRESS_ROUTINE lpProgressRoutine, |
// pointer to the callback function |
LPVOID lpData, |
// to be passed to the callback function |
LPBOOL pbCancel, |
// flag that can be used to cancel the operation |
DWORD dwCopyFlags |
// flags that specify how the file is copied |
); |
Value |
Meaning |
COPY_FILE_FAIL_IF_EXISTS |
The copy operation fails immediately if the target file already exists. |
COPY_FILE_RESTARTABLE |
Progress of the copy is tracked in the target file in case the copy fails. The failed copy can be restarted at a later time by specifying the same values for lpExistingFileName and lpNewFileName as those used in the call that failed. |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information call GetLastError.
For information on file attributes, see CreateFile.
CreateFile, CopyFile, CopyProgressRoutine, MoveFile
file: /Techref/os/win/api/win32/func/src/f07_13.htm, 5KB, , updated: 2001/6/24 04:10, local time: 2024/9/1 14:41,
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