GetNestedVirtualizationMode

// VmSavedStateDumpProvider.dll
#include <windows.h>

HRESULT GetNestedVirtualizationMode(
    void* vmSavedStateDumpHandle,
    DWORD vpId,
    BOOL* enabled
);

<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetNestedVirtualizationMode(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    vpId As UInteger,   ' DWORD
    <Out> ByRef enabled As Integer   ' BOOL* out
) As Integer
End Function

' vmSavedStateDumpHandle : void* in/out
' vpId : DWORD
' enabled : BOOL* out
Declare PtrSafe Function GetNestedVirtualizationMode Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByVal vpId As Long, _
    ByRef enabled As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetNestedVirtualizationMode = ctypes.windll.vmsavedstatedumpprovider.GetNestedVirtualizationMode
GetNestedVirtualizationMode.restype = ctypes.c_int
GetNestedVirtualizationMode.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    wintypes.DWORD,  # vpId : DWORD
    ctypes.c_void_p,  # enabled : BOOL* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetNestedVirtualizationMode = Fiddle::Function.new(
  lib['GetNestedVirtualizationMode'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    -Fiddle::TYPE_INT,  # vpId : DWORD
    Fiddle::TYPE_VOIDP,  # enabled : BOOL* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetNestedVirtualizationMode(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        vpId: u32,  // DWORD
        enabled: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetNestedVirtualizationMode(IntPtr vmSavedStateDumpHandle, uint vpId, out int enabled);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetNestedVirtualizationMode' -Namespace Win32 -PassThru
# $api::GetNestedVirtualizationMode(vmSavedStateDumpHandle, vpId, enabled)

#uselib "VmSavedStateDumpProvider.dll"
#func global GetNestedVirtualizationMode "GetNestedVirtualizationMode" sptr, sptr, sptr
; GetNestedVirtualizationMode vmSavedStateDumpHandle, vpId, enabled   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; vpId : DWORD -> "sptr"
; enabled : BOOL* out -> "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 "VmSavedStateDumpProvider.dll"
#cfunc global GetNestedVirtualizationMode "GetNestedVirtualizationMode" sptr, int, int
; res = GetNestedVirtualizationMode(vmSavedStateDumpHandle, vpId, enabled)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; vpId : DWORD -> "int"
; enabled : BOOL* out -> "int"

; HRESULT GetNestedVirtualizationMode(void* vmSavedStateDumpHandle, DWORD vpId, BOOL* enabled)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetNestedVirtualizationMode "GetNestedVirtualizationMode" intptr, int, int
; res = GetNestedVirtualizationMode(vmSavedStateDumpHandle, vpId, enabled)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; vpId : DWORD -> "int"
; enabled : BOOL* out -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetNestedVirtualizationMode = vmsavedstatedumpprovider.NewProc("GetNestedVirtualizationMode")
)

// vmSavedStateDumpHandle (void* in/out), vpId (DWORD), enabled (BOOL* out)
r1, _, err := procGetNestedVirtualizationMode.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(vpId),
	uintptr(enabled),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetNestedVirtualizationMode(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  vpId: DWORD;   // DWORD
  enabled: Pointer   // BOOL* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetNestedVirtualizationMode';

result := DllCall("VmSavedStateDumpProvider\GetNestedVirtualizationMode"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "UInt", vpId   ; DWORD
    , "Ptr", enabled   ; BOOL* out
    , "Int")   ; return: HRESULT

●GetNestedVirtualizationMode(vmSavedStateDumpHandle, vpId, enabled) = DLL("VmSavedStateDumpProvider.dll", "int GetNestedVirtualizationMode(void*, dword, void*)")
# 呼び出し: GetNestedVirtualizationMode(vmSavedStateDumpHandle, vpId, enabled)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# vpId : DWORD -> "dword"
# enabled : BOOL* out -> "void*"
# 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)。