DetachVirtualDisk

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

WIN32_ERROR DetachVirtualDisk(
    HANDLE VirtualDiskHandle,
    DETACH_VIRTUAL_DISK_FLAG Flags,
    DWORD ProviderSpecificFlags
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function DetachVirtualDisk(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    Flags As Integer,   ' DETACH_VIRTUAL_DISK_FLAG
    ProviderSpecificFlags As UInteger   ' DWORD
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' Flags : DETACH_VIRTUAL_DISK_FLAG
' ProviderSpecificFlags : DWORD
Declare PtrSafe Function DetachVirtualDisk Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByVal Flags As Long, _
    ByVal ProviderSpecificFlags 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

DetachVirtualDisk = ctypes.windll.virtdisk.DetachVirtualDisk
DetachVirtualDisk.restype = wintypes.DWORD
DetachVirtualDisk.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.c_int,  # Flags : DETACH_VIRTUAL_DISK_FLAG
    wintypes.DWORD,  # ProviderSpecificFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
DetachVirtualDisk = Fiddle::Function.new(
  lib['DetachVirtualDisk'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_INT,  # Flags : DETACH_VIRTUAL_DISK_FLAG
    -Fiddle::TYPE_INT,  # ProviderSpecificFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn DetachVirtualDisk(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        Flags: i32,  // DETACH_VIRTUAL_DISK_FLAG
        ProviderSpecificFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint DetachVirtualDisk(IntPtr VirtualDiskHandle, int Flags, uint ProviderSpecificFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_DetachVirtualDisk' -Namespace Win32 -PassThru
# $api::DetachVirtualDisk(VirtualDiskHandle, Flags, ProviderSpecificFlags)

#uselib "VirtDisk.dll"
#func global DetachVirtualDisk "DetachVirtualDisk" sptr, sptr, sptr
; DetachVirtualDisk VirtualDiskHandle, Flags, ProviderSpecificFlags   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; Flags : DETACH_VIRTUAL_DISK_FLAG -> "sptr"
; ProviderSpecificFlags : DWORD -> "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 DetachVirtualDisk "DetachVirtualDisk" sptr, int, int
; res = DetachVirtualDisk(VirtualDiskHandle, Flags, ProviderSpecificFlags)
; VirtualDiskHandle : HANDLE -> "sptr"
; Flags : DETACH_VIRTUAL_DISK_FLAG -> "int"
; ProviderSpecificFlags : DWORD -> "int"

; WIN32_ERROR DetachVirtualDisk(HANDLE VirtualDiskHandle, DETACH_VIRTUAL_DISK_FLAG Flags, DWORD ProviderSpecificFlags)
#uselib "VirtDisk.dll"
#cfunc global DetachVirtualDisk "DetachVirtualDisk" intptr, int, int
; res = DetachVirtualDisk(VirtualDiskHandle, Flags, ProviderSpecificFlags)
; VirtualDiskHandle : HANDLE -> "intptr"
; Flags : DETACH_VIRTUAL_DISK_FLAG -> "int"
; ProviderSpecificFlags : DWORD -> "int"

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

var (
	virtdisk = windows.NewLazySystemDLL("VirtDisk.dll")
	procDetachVirtualDisk = virtdisk.NewProc("DetachVirtualDisk")
)

// VirtualDiskHandle (HANDLE), Flags (DETACH_VIRTUAL_DISK_FLAG), ProviderSpecificFlags (DWORD)
r1, _, err := procDetachVirtualDisk.Call(
	uintptr(VirtualDiskHandle),
	uintptr(Flags),
	uintptr(ProviderSpecificFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function DetachVirtualDisk(
  VirtualDiskHandle: THandle;   // HANDLE
  Flags: Integer;   // DETACH_VIRTUAL_DISK_FLAG
  ProviderSpecificFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'DetachVirtualDisk';

result := DllCall("VirtDisk\DetachVirtualDisk"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Int", Flags   ; DETACH_VIRTUAL_DISK_FLAG
    , "UInt", ProviderSpecificFlags   ; DWORD
    , "UInt")   ; return: WIN32_ERROR

●DetachVirtualDisk(VirtualDiskHandle, Flags, ProviderSpecificFlags) = DLL("VirtDisk.dll", "dword DetachVirtualDisk(void*, int, dword)")
# 呼び出し: DetachVirtualDisk(VirtualDiskHandle, Flags, ProviderSpecificFlags)
# VirtualDiskHandle : HANDLE -> "void*"
# Flags : DETACH_VIRTUAL_DISK_FLAG -> "int"
# ProviderSpecificFlags : DWORD -> "dword"
# 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)。