File I/O Functions (Compact 2013)

Article
11/04/2015

3/26/2014

The following table shows the file I/O functions with a description of the purpose of each.

Function	Description
CeGenRandom	Fills a buffer with random bytes.
CeGetCanonicalPathName	Returns the canonical form and the length of the canonical form of the specified path.
CeGetFileNotificationInfo	Obtains file notification information.
CloseHandle	Closes an open object handle.
CopyFile	Copies an existing file to a new file.
CopyFileEx	Copies an existing file to a new file.
CreateDirectory	Creates a new directory.
CreateFile	Creates, opens, or truncates a file, COM port, device, service, or console.
DeleteAndRenameFile	Deletes the source file after it copies the content of the source file to the destination file.
DeleteFile	Deletes a file from a file system.
FindClose	Closes the specified search handle.
FindCloseChangeNotification	Stops change notification handle monitoring.
FindFirstChangeNotification	Creates a change notification handle, and sets up initial change notification filter conditions.
FindFirstFile	Searches a directory for a specified file or subdirectory.
FindFirstFileEx	Searches a directory for a file with a specified name and attributes.
FindNextChangeNotification	Requests that the OS signal a change notification handle the next time it detects an appropriate change.
FindNextFile	Continues a file search from a previous call to the FindFirstFile function.
FlushFileBuffers	Clears the buffers for the specified file and causes all buffered data to be written to the file.
GetDiskFreeSpaceEx	Obtains the following information about the amount of space available on a disk volume: Total amount of space Amount of free space Amount of free space available to the user associated with the calling thread
GetFileAttributes	Obtains attributes for the specified file or directory.
GetFileAttributesEx	Obtains attribute information about the specified file or directory.
GetFileInformationByHandle	Obtains information about the specified file.
GetFileSize	Obtains the size, in bytes, of the specified file.
GetFileVersionInfo	Obtains version information about a specified file.
GetFileVersionInfoSize	Checks whether the OS can obtain version information about a specified file.
GetStoreInformation	Fills in a STORE_INFORMATION structure with the size of the object store and the amount of free space currently in the object store.
GetTempFileName	Creates a name for a temporary file.
GetTempPath	Obtains the path of the directory designated for temporary files.
LockFileEx	Locks the specified file for exclusive access by the calling process.
MoveFile	Renames an existing file or a directory, including all its children.
ReadFile	Reads data from a file, starting at the position indicated by the file pointer.
RemoveDirectory	Deletes an empty directory.
SetEndOfFile	Moves the end-of-file position for the specified file to the current position of the file pointer.
SetFileAttributes	Sets the attributes of a file.
SetFilePointer	Moves the file pointer of an open file.
SHELLFILECHANGEFUNC_t	Function pointer to a BOOL function.
UnlockFileEx	This function unlocks a region in an open file. Unlocking a region enables other processes to access the region.
WriteFile	Writes data to a file.

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File I/O Functions (Compact 2013)

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