The following functions are used to manage files.
| Function | Description |
|---|
| AreFileApisANSI | Determines whether the file I/O functions are using the ANSI or OEM character set code page. |
| CheckNameLegalDOS8Dot3 | Determines whether a specified name can be used to create a file on a FAT file system. |
| CloseHandle | Closes an open object handle. |
| CopyFile | Copies an existing file to a new file. |
| CopyFileEx | Copies an existing file to a new file, and notifies an application of the progress through a callback
function. |
| CopyFileTransacted | Copies an existing file to a new file as a transacted operation, notifying the application of its progress
through a callback function. |
| CreateFile | Creates or opens a file, directory, physical disk, volume, console buffer, tape drive, communications
resource, mailslot, or named pipe. |
| CreateFileTransacted | Creates or opens a file, file stream, or directory as a transacted operation. |
| CreateHardLink | Establishes a hard link between an existing file and a new file. |
| CreateHardLinkTransacted | Establishes a hard link between an existing file and a new file as a transacted operation. |
| CreateSymbolicLink | Creates a symbolic link. |
| CreateSymbolicLinkTransacted | Creates a symbolic link as a transacted operation. |
| DeleteFile | Deletes an existing file. |
| DeleteFileTransacted | Deletes an existing file as a transacted operation. |
| FindClose | Closes a file search handle that the
FindFirstFile,
FindFirstFileEx, or
FindFirstStreamW function opens. |
| FindFirstFile | Searches a directory for a file or subdirectory name that matches a specified name. |
| FindFirstFileEx | Searches a directory for a file or subdirectory name and attributes that match those that are specified. |
| FindFirstFileNameTransactedW | Creates an enumeration of all the hard links to the specified file as a transacted operation. The function
returns a handle to the enumeration that can be used on subsequent calls to the
FindNextFileNameW function. |
| FindFirstFileNameW | Creates an enumeration of all the hard links to the specified file. The
FindFirstFileNameW function returns a handle to
the enumeration that can be used on subsequent calls to the
FindNextFileNameW function. |
| FindFirstFileTransacted | Searches a directory for a file or subdirectory with a name that matches a specific name as a transacted
operation. |
| FindFirstStreamTransactedW | Enumerates the first stream in the specified file or directory as a transacted operation. |
| FindFirstStreamW | Enumerates the first stream in a specified file or directory. |
| FindNextFile | Continues a file search. |
| FindNextFileNameW | Continues enumerating the hard links to a file using the handle returned by a successful call to the FindFirstFileNameW function. |
| FindNextStreamW | Continues a stream search. |
| GetBinaryType | Determines whether a file is an executable (.exe) file, and if so, which subsystem runs the executable file. |
| GetCompressedFileSize | Retrieves the actual number of disk storage bytes that are used to store a specified file. |
| GetCompressedFileSizeTransacted | Retrieves the actual number of bytes of disk storage used to store a specified file as a transacted
operation. |
| GetFileAttributes | Retrieves a set of FAT file system attributes for a specified file or directory. |
| GetFileAttributesEx | Retrieves attributes for a specified file or directory. |
| GetFileAttributesTransacted | Retrieves a set of FAT file system attributes for a specified file or directory as a transacted
operation. |
| GetFileBandwidthReservation | Retrieves the bandwidth reservation properties of the volume on which the specified file resides. |
| GetFileInformationByHandle | Retrieves file information for a specified file. |
| GetFileInformationByHandleEx | Retrieves file information for the specified file. |
| GetFileSize | Retrieves the size of a specified file, in bytes. The file size that can be reported by this function is limited to a
DWORD value. |
| GetFileSizeEx | Retrieves the size of a specified file. |
| GetFileType | Retrieves the file type of a specified file. |
| GetFinalPathNameByHandle | Retrieves the final filesystem path for the specified file. |
| GetFullPathName | Retrieves the full path and file name of a specified file. |
| GetFullPathNameTransacted | Retrieves the full path and file name of a specified file as a transacted operation. |
| GetLongPathName | Converts a specified path to its long form. |
| GetLongPathNameTransacted | Converts the specified path to its long form as a transacted operation. |
| GetShortPathName | Retrieves the short path form of a specified path. |
| GetTempFileName | Creates a name for a temporary file. |
| GetTempPath | Retrieves the path of the directory that is designated for temporary files. |
| MoveFile | Moves an existing file or directory and its children. |
| MoveFileEx | Moves an existing file or directory. |
| MoveFileTransacted | Moves an existing file or a directory, including its children, as a transacted operation. |
| MoveFileWithProgress | Moves a file or directory. You can provide a callback function that receives progress notifications. |
| OpenFile | Creates, opens, reopens, or deletes a file. |
| OpenFileById | Opens the file that matches the specified identifier. |
| ReOpenFile | Reopens a specified file system object with different access rights, a different sharing mode, and different
flags than it was previously opened with. |
| ReplaceFile | Replaces one file with a different file, and optionally creates a backup copy of the original file. |
| RtlIsNameLegalDOS8Dot3 | Determines whether or not a specified name can be used to create a file on the FAT file system. |
| SearchPath | Searches for a specified file in a specified path. |
| SetFileApisToANSI | Indicates that the file I/O functions must use the ANSI character set code page. |
| SetFileApisToOEM | Causes the file I/O functions to use the OEM character set code page. |
| SetFileAttributes | Sets the attributes of a file. |
| SetFileAttributesTransacted | Sets the attributes for a file or directory as a transacted operation. |
| SetFileBandwidthReservation | Requests that bandwidth for the specified file stream be reserved. |
| SetFileInformationByHandle | Sets the information for the specified file. |
| SetFileShortName | Sets the short name for a specified file. |
| SetFileValidData | Sets the valid data length of a specified file. |
The following functions are used with file I/O.
| Function | Description |
|---|
| CancelIo | Cancels all pending I/O operations that are issued by the calling thread for a specified file handle. |
| CancelIoEx | Marks all pending I/O operations for the specified file handle in the current process as canceled, regardless
of which thread created the I/O operation. |
| CancelSynchronousIo | Marks pending synchronous I/O operations that are issued by the specified thread as canceled. |
| CreateIoCompletionPort | Associates an I/O completion port with one or more file handles, or creates an I/O completion port that is
not associated with a file handle. |
| FlushFileBuffers | Flushes the buffers for a specified file, and causes all buffered data to be written to the file. |
| GetQueuedCompletionStatus | Attempts to dequeue an I/O completion packet from a specified I/O completion port. |
| GetQueuedCompletionStatusEx | Retrieves multiple completion port entries simultaneously. |
| LockFile | Locks a specified file for exclusive access by the calling process. |
| LockFileEx | Locks a specified file for exclusive access by the calling process. This function can operate synchronously
or asynchronously. |
| PostQueuedCompletionStatus | Posts an I/O completion packet to an I/O completion port. |
| ReadFile | Reads data from a file, starting at the position that is indicated by a file pointer. This function can
operate synchronously and asynchronously. |
| ReadFileEx | Reads data from a file asynchronously. |
| ReadFileScatter | Reads data from a file and stores it in an array of buffers. |
| SetEndOfFile | Moves the end-of-file position for a specified file to the current position of a file pointer. |
| SetFileCompletionNotificationModes | Sets the notification modes for a file handle. |
| SetFileIoOverlappedRange | Associates a virtual address range with a file handle. |
| SetFilePointer | Moves the file pointer of an open file. |
| SetFilePointerEx | Moves the file pointer of a specified file. |
| UnlockFile | Unlocks a region in an open file. |
| UnlockFileEx | Unlocks a region in an open file. This function can operate synchronously or asynchronously. |
| WriteFile | Writes data to a file at a position that a file pointer specifies. This function can operate synchronously
and asynchronously. |
| WriteFileEx | Writes data to a file. This function reports the completion status asynchronously by calling a specified
completion routine when writing is completed or canceled and when the calling thread is in an alertable wait
state. |
| WriteFileGather | Retrieves data from an array of buffers, and then writes the data to a file. |
The following functions are used with the encrypted file system.
The following functions are used to decompress files that are compressed by the Lempel-Ziv algorithm.
The following callback functions are used in file I/O.