GetGuestRawSavedMemorySize

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

HRESULT GetGuestRawSavedMemorySize(
    void* vmSavedStateDumpHandle,
    ULONGLONG* guestRawSavedMemorySize
);

<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetGuestRawSavedMemorySize(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    <Out> ByRef guestRawSavedMemorySize As ULong   ' ULONGLONG* out
) As Integer
End Function

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

import ctypes
from ctypes import wintypes

GetGuestRawSavedMemorySize = ctypes.windll.vmsavedstatedumpprovider.GetGuestRawSavedMemorySize
GetGuestRawSavedMemorySize.restype = ctypes.c_int
GetGuestRawSavedMemorySize.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    ctypes.POINTER(ctypes.c_ulonglong),  # guestRawSavedMemorySize : ULONGLONG* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetGuestRawSavedMemorySize = Fiddle::Function.new(
  lib['GetGuestRawSavedMemorySize'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    Fiddle::TYPE_VOIDP,  # guestRawSavedMemorySize : ULONGLONG* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetGuestRawSavedMemorySize(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        guestRawSavedMemorySize: *mut u64  // ULONGLONG* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetGuestRawSavedMemorySize(IntPtr vmSavedStateDumpHandle, out ulong guestRawSavedMemorySize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetGuestRawSavedMemorySize' -Namespace Win32 -PassThru
# $api::GetGuestRawSavedMemorySize(vmSavedStateDumpHandle, guestRawSavedMemorySize)

#uselib "VmSavedStateDumpProvider.dll"
#func global GetGuestRawSavedMemorySize "GetGuestRawSavedMemorySize" sptr, sptr
; GetGuestRawSavedMemorySize vmSavedStateDumpHandle, varptr(guestRawSavedMemorySize)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; guestRawSavedMemorySize : ULONGLONG* 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 GetGuestRawSavedMemorySize "GetGuestRawSavedMemorySize" sptr, var
; res = GetGuestRawSavedMemorySize(vmSavedStateDumpHandle, guestRawSavedMemorySize)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; guestRawSavedMemorySize : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT GetGuestRawSavedMemorySize(void* vmSavedStateDumpHandle, ULONGLONG* guestRawSavedMemorySize)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetGuestRawSavedMemorySize "GetGuestRawSavedMemorySize" intptr, var
; res = GetGuestRawSavedMemorySize(vmSavedStateDumpHandle, guestRawSavedMemorySize)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; guestRawSavedMemorySize : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetGuestRawSavedMemorySize = vmsavedstatedumpprovider.NewProc("GetGuestRawSavedMemorySize")
)

// vmSavedStateDumpHandle (void* in/out), guestRawSavedMemorySize (ULONGLONG* out)
r1, _, err := procGetGuestRawSavedMemorySize.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(guestRawSavedMemorySize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetGuestRawSavedMemorySize(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  guestRawSavedMemorySize: Pointer   // ULONGLONG* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetGuestRawSavedMemorySize';

result := DllCall("VmSavedStateDumpProvider\GetGuestRawSavedMemorySize"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "Ptr", guestRawSavedMemorySize   ; ULONGLONG* out
    , "Int")   ; return: HRESULT

●GetGuestRawSavedMemorySize(vmSavedStateDumpHandle, guestRawSavedMemorySize) = DLL("VmSavedStateDumpProvider.dll", "int GetGuestRawSavedMemorySize(void*, void*)")
# 呼び出し: GetGuestRawSavedMemorySize(vmSavedStateDumpHandle, guestRawSavedMemorySize)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# guestRawSavedMemorySize : ULONGLONG* 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)。