EnumerateVirtualDiskMetadata

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

WIN32_ERROR EnumerateVirtualDiskMetadata(
    HANDLE VirtualDiskHandle,
    DWORD* NumberOfItems,
    GUID* Items
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function EnumerateVirtualDiskMetadata(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    ByRef NumberOfItems As UInteger,   ' DWORD* in/out
    <Out> ByRef Items As Guid   ' GUID* out
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' NumberOfItems : DWORD* in/out
' Items : GUID* out
Declare PtrSafe Function EnumerateVirtualDiskMetadata Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByRef NumberOfItems As Long, _
    ByVal Items 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

EnumerateVirtualDiskMetadata = ctypes.windll.virtdisk.EnumerateVirtualDiskMetadata
EnumerateVirtualDiskMetadata.restype = wintypes.DWORD
EnumerateVirtualDiskMetadata.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # NumberOfItems : DWORD* in/out
    ctypes.c_void_p,  # Items : GUID* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
EnumerateVirtualDiskMetadata = Fiddle::Function.new(
  lib['EnumerateVirtualDiskMetadata'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # NumberOfItems : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Items : GUID* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn EnumerateVirtualDiskMetadata(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        NumberOfItems: *mut u32,  // DWORD* in/out
        Items: *mut GUID  // GUID* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint EnumerateVirtualDiskMetadata(IntPtr VirtualDiskHandle, ref uint NumberOfItems, out Guid Items);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_EnumerateVirtualDiskMetadata' -Namespace Win32 -PassThru
# $api::EnumerateVirtualDiskMetadata(VirtualDiskHandle, NumberOfItems, Items)

#uselib "VirtDisk.dll"
#func global EnumerateVirtualDiskMetadata "EnumerateVirtualDiskMetadata" sptr, sptr, sptr
; EnumerateVirtualDiskMetadata VirtualDiskHandle, varptr(NumberOfItems), varptr(Items)   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; NumberOfItems : DWORD* in/out -> "sptr"
; Items : GUID* 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 "VirtDisk.dll"
#cfunc global EnumerateVirtualDiskMetadata "EnumerateVirtualDiskMetadata" sptr, var, var
; res = EnumerateVirtualDiskMetadata(VirtualDiskHandle, NumberOfItems, Items)
; VirtualDiskHandle : HANDLE -> "sptr"
; NumberOfItems : DWORD* in/out -> "var"
; Items : GUID* 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。

; WIN32_ERROR EnumerateVirtualDiskMetadata(HANDLE VirtualDiskHandle, DWORD* NumberOfItems, GUID* Items)
#uselib "VirtDisk.dll"
#cfunc global EnumerateVirtualDiskMetadata "EnumerateVirtualDiskMetadata" intptr, var, var
; res = EnumerateVirtualDiskMetadata(VirtualDiskHandle, NumberOfItems, Items)
; VirtualDiskHandle : HANDLE -> "intptr"
; NumberOfItems : DWORD* in/out -> "var"
; Items : GUID* 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 (
	virtdisk = windows.NewLazySystemDLL("VirtDisk.dll")
	procEnumerateVirtualDiskMetadata = virtdisk.NewProc("EnumerateVirtualDiskMetadata")
)

// VirtualDiskHandle (HANDLE), NumberOfItems (DWORD* in/out), Items (GUID* out)
r1, _, err := procEnumerateVirtualDiskMetadata.Call(
	uintptr(VirtualDiskHandle),
	uintptr(NumberOfItems),
	uintptr(Items),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function EnumerateVirtualDiskMetadata(
  VirtualDiskHandle: THandle;   // HANDLE
  NumberOfItems: Pointer;   // DWORD* in/out
  Items: PGUID   // GUID* out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'EnumerateVirtualDiskMetadata';

result := DllCall("VirtDisk\EnumerateVirtualDiskMetadata"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", NumberOfItems   ; DWORD* in/out
    , "Ptr", Items   ; GUID* out
    , "UInt")   ; return: WIN32_ERROR

●EnumerateVirtualDiskMetadata(VirtualDiskHandle, NumberOfItems, Items) = DLL("VirtDisk.dll", "dword EnumerateVirtualDiskMetadata(void*, void*, void*)")
# 呼び出し: EnumerateVirtualDiskMetadata(VirtualDiskHandle, NumberOfItems, Items)
# VirtualDiskHandle : HANDLE -> "void*"
# NumberOfItems : DWORD* in/out -> "void*"
# Items : GUID* 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)。