NtQueryVirtualMemory

2OOO, 5 December

NTSYSAPI 
NTSTATUS
NTAPI


NtQueryVirtualMemory(



  IN HANDLE               ProcessHandle,
  IN PVOID                BaseAddress,
  IN MEMORY_INFORMATION_CLASS MemoryInformationClass,
  OUT PVOID               Buffer,
  IN ULONG                Length,
  OUT PULONG              ResultLength OPTIONAL );

Function NtQueryVirtualMemory retrieves parameters of queried memory block.

ProcessHandle HANDLE to process containing queried address in process'es address space.

BaseAddress Virtual address to query.

MemoryInformationClass Information class defined in MEMORY_INFORMATION_CLASS enumeration type. Currently only one class is supported.

Buffer As long as only MemoryBasicInformation is supported, this value points to structure MEMORY_BASIC_INFORMATION, defined in <WINNT.h> and described in MS SDK.

Length Length of Buffer, in bytes.

ResultLength Optionally pointer to ULONG value receiving required size of Buffer, in bytes.

Documented by:

Tomasz Nowak

Reactos

Requirements:

Library: ntdll.lib

Undocumented functions of NTDLL