GetVirtualDiskPhysicalPath

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

WIN32_ERROR GetVirtualDiskPhysicalPath(
    HANDLE VirtualDiskHandle,
    DWORD* DiskPathSizeInBytes,
    LPWSTR DiskPath
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function GetVirtualDiskPhysicalPath(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    ByRef DiskPathSizeInBytes As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> DiskPath As System.Text.StringBuilder   ' LPWSTR out
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' DiskPathSizeInBytes : DWORD* in/out
' DiskPath : LPWSTR out
Declare PtrSafe Function GetVirtualDiskPhysicalPath Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByRef DiskPathSizeInBytes As Long, _
    ByVal DiskPath 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

GetVirtualDiskPhysicalPath = ctypes.windll.virtdisk.GetVirtualDiskPhysicalPath
GetVirtualDiskPhysicalPath.restype = wintypes.DWORD
GetVirtualDiskPhysicalPath.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # DiskPathSizeInBytes : DWORD* in/out
    wintypes.LPWSTR,  # DiskPath : LPWSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
GetVirtualDiskPhysicalPath = Fiddle::Function.new(
  lib['GetVirtualDiskPhysicalPath'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # DiskPathSizeInBytes : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # DiskPath : LPWSTR out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn GetVirtualDiskPhysicalPath(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        DiskPathSizeInBytes: *mut u32,  // DWORD* in/out
        DiskPath: *mut u16  // LPWSTR out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint GetVirtualDiskPhysicalPath(IntPtr VirtualDiskHandle, ref uint DiskPathSizeInBytes, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder DiskPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_GetVirtualDiskPhysicalPath' -Namespace Win32 -PassThru
# $api::GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)

#uselib "VirtDisk.dll"
#func global GetVirtualDiskPhysicalPath "GetVirtualDiskPhysicalPath" sptr, sptr, sptr
; GetVirtualDiskPhysicalPath VirtualDiskHandle, varptr(DiskPathSizeInBytes), varptr(DiskPath)   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; DiskPathSizeInBytes : DWORD* in/out -> "sptr"
; DiskPath : LPWSTR 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 GetVirtualDiskPhysicalPath "GetVirtualDiskPhysicalPath" sptr, var, var
; res = GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
; VirtualDiskHandle : HANDLE -> "sptr"
; DiskPathSizeInBytes : DWORD* in/out -> "var"
; DiskPath : LPWSTR 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 GetVirtualDiskPhysicalPath(HANDLE VirtualDiskHandle, DWORD* DiskPathSizeInBytes, LPWSTR DiskPath)
#uselib "VirtDisk.dll"
#cfunc global GetVirtualDiskPhysicalPath "GetVirtualDiskPhysicalPath" intptr, var, var
; res = GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
; VirtualDiskHandle : HANDLE -> "intptr"
; DiskPathSizeInBytes : DWORD* in/out -> "var"
; DiskPath : LPWSTR 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")
	procGetVirtualDiskPhysicalPath = virtdisk.NewProc("GetVirtualDiskPhysicalPath")
)

// VirtualDiskHandle (HANDLE), DiskPathSizeInBytes (DWORD* in/out), DiskPath (LPWSTR out)
r1, _, err := procGetVirtualDiskPhysicalPath.Call(
	uintptr(VirtualDiskHandle),
	uintptr(DiskPathSizeInBytes),
	uintptr(DiskPath),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetVirtualDiskPhysicalPath(
  VirtualDiskHandle: THandle;   // HANDLE
  DiskPathSizeInBytes: Pointer;   // DWORD* in/out
  DiskPath: PWideChar   // LPWSTR out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetVirtualDiskPhysicalPath';

result := DllCall("VirtDisk\GetVirtualDiskPhysicalPath"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", DiskPathSizeInBytes   ; DWORD* in/out
    , "Ptr", DiskPath   ; LPWSTR out
    , "UInt")   ; return: WIN32_ERROR

●GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath) = DLL("VirtDisk.dll", "dword GetVirtualDiskPhysicalPath(void*, void*, char*)")
# 呼び出し: GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
# VirtualDiskHandle : HANDLE -> "void*"
# DiskPathSizeInBytes : DWORD* in/out -> "void*"
# DiskPath : LPWSTR out -> "char*"
# 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)。