Function _MemVirtualAlloc

Function Reference


_MemVirtualAlloc

Reserves or commits a region of pages in the virtual address space of the calling process

#include <Memory.au3>
_MemVirtualAlloc ( $pAddress, $iSize, $iAllocation, $iProtect )

Parameters

$pAddress Specifies the desired starting address of the region to allocate
$iSize Specifies the size, in bytes, of th region
$iAllocation Specifies the type of allocation:
    $MEM_COMMIT - Allocates physical storage in memory or in the paging file on disk for the specified region of pages.
    $MEM_RESERVE - Reserves a range of the process's virtual address space without allocating any physical storage.
$MEM_TOP_DOWN - Allocates memory at the highest possible address
$iProtect Type of access protection:
    $PAGE_READONLY - Enables read access to the committed region of pages
    $PAGE_READWRITE - Enables read and write access to the committed region
    $PAGE_EXECUTE - Enables execute access to the committed region
    $PAGE_EXECUTE_READ - Enables execute and read access to the committed region
    $PAGE_EXECUTE_READWRITE - Enables execute, read, and write access to the committed region of pages
    $PAGE_GUARD - Pages in the region become guard pages
    $PAGE_NOACCESS - Disables all access to the committed region of pages
    $PAGE_NOCACHE - Allows no caching of the committed regions of pages

Return Value

Success: a memory address pointer.
Failure: 0.

Related

_MemGlobalAlloc, _MemVirtualFree

See Also

Search VirtualAlloc in MSDN Library.