Writes to the disk a byte range within a mapped view of a file
#include <WinAPIFiles.au3>
_WinAPI_FlushViewOfFile ( $pAddress [, $iBytes = 0] )
| $pAddress | A pointer to the base address of the byte range to be flushed to the disk representation of the mapped file. |
| $iBytes | [optional] The number of bytes to be flushed. If $iBytes is 0 (Default), the file is flushed from the base address to the end of the mapping. |
| Success: | True. |
| Failure: | False, call _WinAPI_GetLastError() to get extended error information |
Search FlushViewOfFile in MSDN Library.