GetVirtualDiskOperationProgress

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

WIN32_ERROR GetVirtualDiskOperationProgress(
    HANDLE VirtualDiskHandle,
    OVERLAPPED* Overlapped,
    VIRTUAL_DISK_PROGRESS* Progress
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function GetVirtualDiskOperationProgress(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    Overlapped As IntPtr,   ' OVERLAPPED*
    Progress As IntPtr   ' VIRTUAL_DISK_PROGRESS* out
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' Overlapped : OVERLAPPED*
' Progress : VIRTUAL_DISK_PROGRESS* out
Declare PtrSafe Function GetVirtualDiskOperationProgress Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByVal Overlapped As LongPtr, _
    ByVal Progress 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

GetVirtualDiskOperationProgress = ctypes.windll.virtdisk.GetVirtualDiskOperationProgress
GetVirtualDiskOperationProgress.restype = wintypes.DWORD
GetVirtualDiskOperationProgress.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.c_void_p,  # Overlapped : OVERLAPPED*
    ctypes.c_void_p,  # Progress : VIRTUAL_DISK_PROGRESS* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
GetVirtualDiskOperationProgress = Fiddle::Function.new(
  lib['GetVirtualDiskOperationProgress'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # Overlapped : OVERLAPPED*
    Fiddle::TYPE_VOIDP,  # Progress : VIRTUAL_DISK_PROGRESS* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn GetVirtualDiskOperationProgress(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        Overlapped: *mut OVERLAPPED,  // OVERLAPPED*
        Progress: *mut VIRTUAL_DISK_PROGRESS  // VIRTUAL_DISK_PROGRESS* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint GetVirtualDiskOperationProgress(IntPtr VirtualDiskHandle, IntPtr Overlapped, IntPtr Progress);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_GetVirtualDiskOperationProgress' -Namespace Win32 -PassThru
# $api::GetVirtualDiskOperationProgress(VirtualDiskHandle, Overlapped, Progress)

#uselib "VirtDisk.dll"
#func global GetVirtualDiskOperationProgress "GetVirtualDiskOperationProgress" sptr, sptr, sptr
; GetVirtualDiskOperationProgress VirtualDiskHandle, varptr(Overlapped), varptr(Progress)   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; Overlapped : OVERLAPPED* -> "sptr"
; Progress : VIRTUAL_DISK_PROGRESS* 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 GetVirtualDiskOperationProgress "GetVirtualDiskOperationProgress" sptr, var, var
; res = GetVirtualDiskOperationProgress(VirtualDiskHandle, Overlapped, Progress)
; VirtualDiskHandle : HANDLE -> "sptr"
; Overlapped : OVERLAPPED* -> "var"
; Progress : VIRTUAL_DISK_PROGRESS* 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 GetVirtualDiskOperationProgress(HANDLE VirtualDiskHandle, OVERLAPPED* Overlapped, VIRTUAL_DISK_PROGRESS* Progress)
#uselib "VirtDisk.dll"
#cfunc global GetVirtualDiskOperationProgress "GetVirtualDiskOperationProgress" intptr, var, var
; res = GetVirtualDiskOperationProgress(VirtualDiskHandle, Overlapped, Progress)
; VirtualDiskHandle : HANDLE -> "intptr"
; Overlapped : OVERLAPPED* -> "var"
; Progress : VIRTUAL_DISK_PROGRESS* 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")
	procGetVirtualDiskOperationProgress = virtdisk.NewProc("GetVirtualDiskOperationProgress")
)

// VirtualDiskHandle (HANDLE), Overlapped (OVERLAPPED*), Progress (VIRTUAL_DISK_PROGRESS* out)
r1, _, err := procGetVirtualDiskOperationProgress.Call(
	uintptr(VirtualDiskHandle),
	uintptr(Overlapped),
	uintptr(Progress),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetVirtualDiskOperationProgress(
  VirtualDiskHandle: THandle;   // HANDLE
  Overlapped: Pointer;   // OVERLAPPED*
  Progress: Pointer   // VIRTUAL_DISK_PROGRESS* out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetVirtualDiskOperationProgress';

result := DllCall("VirtDisk\GetVirtualDiskOperationProgress"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", Overlapped   ; OVERLAPPED*
    , "Ptr", Progress   ; VIRTUAL_DISK_PROGRESS* out
    , "UInt")   ; return: WIN32_ERROR

●GetVirtualDiskOperationProgress(VirtualDiskHandle, Overlapped, Progress) = DLL("VirtDisk.dll", "dword GetVirtualDiskOperationProgress(void*, void*, void*)")
# 呼び出し: GetVirtualDiskOperationProgress(VirtualDiskHandle, Overlapped, Progress)
# VirtualDiskHandle : HANDLE -> "void*"
# Overlapped : OVERLAPPED* -> "void*"
# Progress : VIRTUAL_DISK_PROGRESS* 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)。