CFile Members

Статья
01/30/2013

Base Class Members

CObject Members

Data Members

m_hFile	Usually contains the operating-system file handle.
CFile::hFileNull	Determines if the CFile object has a valid handle.
m_pTM	Pointer to CAtlTransactionManager object.

Operators

operator HANDLE

A handle to a CFile object.

Construction

Abort	Closes a file ignoring all warnings and errors.
CFile	Constructs a CFile object from a path or file handle.
Close	Closes a file and deletes the object.
Duplicate	Constructs a duplicate object based on this file.
Open	Safely opens a file with an error-testing option.

Input/Output

Flush	Flushes any data yet to be written.
Read	Reads (unbuffered) data from a file at the current file position.
Write	Writes (unbuffered) data in a file to the current file position.

Position

GetLength	Retrieves the length of the file.
Seek	Positions the current file pointer.
SeekToBegin	Positions the current file pointer at the beginning of the file.
SeekToEnd	Positions the current file pointer at the end of the file.
SetLength	Changes the length of the file.

Locking

LockRange	Locks a range of bytes in a file.
UnlockRange	Unlocks a range of bytes in a file.

Status

GetFileName	Retrieves the filename of the selected file.
GetFilePath	Retrieves the full file path of the selected file.
GetFileTitle	Retrieves the title of the selected file.
GetPosition	Retrieves the current file pointer.
GetStatus	Retrieves the status of this open file.
SetFilePath	Sets the full file path of the selected file.

Static

GetStatus	Retrieves the status of the specified file (static, virtual function).
Remove	Deletes the specified file (static function).
Rename	Renames the specified file (static function).
SetStatus	Sets the status of the specified file (static, virtual function).

See Also

Reference

Hierarchy Chart