Win32 API 日本語リファレンス
ホームSystem.Memory › VirtualUnlockEx

VirtualUnlockEx

関数
指定プロセスのロックされたメモリ範囲のロックを解除する。
DLLapi-ms-win-core-memory-l1-1-5.dll呼出規約winapi

シグネチャ

// api-ms-win-core-memory-l1-1-5.dll
#include <windows.h>

BOOL VirtualUnlockEx(
    HANDLE Process,   // optional
    void* Address,
    UINT_PTR Size
);

パラメーター

名前方向
ProcessHANDLEinoptional
Addressvoid*in
SizeUINT_PTRin

戻り値の型: BOOL

各言語での呼び出し定義

// api-ms-win-core-memory-l1-1-5.dll
#include <windows.h>

BOOL VirtualUnlockEx(
    HANDLE Process,   // optional
    void* Address,
    UINT_PTR Size
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-memory-l1-1-5.dll", ExactSpelling = true)]
static extern bool VirtualUnlockEx(
    IntPtr Process,   // HANDLE optional
    IntPtr Address,   // void*
    UIntPtr Size   // UINT_PTR
);
<DllImport("api-ms-win-core-memory-l1-1-5.dll", ExactSpelling:=True)>
Public Shared Function VirtualUnlockEx(
    Process As IntPtr,   ' HANDLE optional
    Address As IntPtr,   ' void*
    Size As UIntPtr   ' UINT_PTR
) As Boolean
End Function
' Process : HANDLE optional
' Address : void*
' Size : UINT_PTR
Declare PtrSafe Function VirtualUnlockEx Lib "api-ms-win-core-memory-l1-1-5" ( _
    ByVal Process As LongPtr, _
    ByVal Address As LongPtr, _
    ByVal Size As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

VirtualUnlockEx = ctypes.windll.LoadLibrary("api-ms-win-core-memory-l1-1-5.dll").VirtualUnlockEx
VirtualUnlockEx.restype = wintypes.BOOL
VirtualUnlockEx.argtypes = [
    wintypes.HANDLE,  # Process : HANDLE optional
    ctypes.POINTER(None),  # Address : void*
    ctypes.c_size_t,  # Size : UINT_PTR
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-memory-l1-1-5.dll')
VirtualUnlockEx = Fiddle::Function.new(
  lib['VirtualUnlockEx'],
  [
    Fiddle::TYPE_VOIDP,  # Process : HANDLE optional
    Fiddle::TYPE_VOIDP,  # Address : void*
    Fiddle::TYPE_UINTPTR_T,  # Size : UINT_PTR
  ],
  Fiddle::TYPE_INT)
#[link(name = "api-ms-win-core-memory-l1-1-5")]
extern "system" {
    fn VirtualUnlockEx(
        Process: *mut core::ffi::c_void,  // HANDLE optional
        Address: *mut (),  // void*
        Size: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-memory-l1-1-5.dll")]
public static extern bool VirtualUnlockEx(IntPtr Process, IntPtr Address, UIntPtr Size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-memory-l1-1-5_VirtualUnlockEx' -Namespace Win32 -PassThru
# $api::VirtualUnlockEx(Process, Address, Size)
#uselib "api-ms-win-core-memory-l1-1-5.dll"
#func global VirtualUnlockEx "VirtualUnlockEx" sptr, sptr, sptr
; VirtualUnlockEx Process, Address, Size   ; 戻り値は stat
; Process : HANDLE optional -> "sptr"
; Address : void* -> "sptr"
; Size : UINT_PTR -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
#uselib "api-ms-win-core-memory-l1-1-5.dll"
#cfunc global VirtualUnlockEx "VirtualUnlockEx" sptr, sptr, sptr
; res = VirtualUnlockEx(Process, Address, Size)
; Process : HANDLE optional -> "sptr"
; Address : void* -> "sptr"
; Size : UINT_PTR -> "sptr"
; BOOL VirtualUnlockEx(HANDLE Process, void* Address, UINT_PTR Size)
#uselib "api-ms-win-core-memory-l1-1-5.dll"
#cfunc global VirtualUnlockEx "VirtualUnlockEx" intptr, intptr, intptr
; res = VirtualUnlockEx(Process, Address, Size)
; Process : HANDLE optional -> "intptr"
; Address : void* -> "intptr"
; Size : UINT_PTR -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	api_ms_win_core_memory_l1_1_5 = windows.NewLazySystemDLL("api-ms-win-core-memory-l1-1-5.dll")
	procVirtualUnlockEx = api_ms_win_core_memory_l1_1_5.NewProc("VirtualUnlockEx")
)

// Process (HANDLE optional), Address (void*), Size (UINT_PTR)
r1, _, err := procVirtualUnlockEx.Call(
	uintptr(Process),
	uintptr(Address),
	uintptr(Size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function VirtualUnlockEx(
  Process: THandle;   // HANDLE optional
  Address: Pointer;   // void*
  Size: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'api-ms-win-core-memory-l1-1-5.dll' name 'VirtualUnlockEx';
result := DllCall("api-ms-win-core-memory-l1-1-5\VirtualUnlockEx"
    , "Ptr", Process   ; HANDLE optional
    , "Ptr", Address   ; void*
    , "UPtr", Size   ; UINT_PTR
    , "Int")   ; return: BOOL
●VirtualUnlockEx(Process, Address, Size) = DLL("api-ms-win-core-memory-l1-1-5.dll", "bool VirtualUnlockEx(void*, void*, int)")
# 呼び出し: VirtualUnlockEx(Process, Address, Size)
# Process : HANDLE optional -> "void*"
# Address : void* -> "void*"
# Size : UINT_PTR -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。