# Function Reference

# _MemVirtualAllocEx

Reserves a region of memory within the virtual address space of a specified process

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

## Parameters

$hProcess | Handle to process
$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

Returns a memory address pointer.

## Related

_MemVirtualFreeEx

## See Also

Search VirtualAllocEx in MSDN Library.