ResUtilFindDependentDiskResourceDriveLetter

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

DWORD ResUtilFindDependentDiskResourceDriveLetter(
    HCLUSTER hCluster,
    HRESOURCE hResource,
    LPWSTR pszDriveLetter,
    DWORD* pcchDriveLetter
);

<DllImport("RESUTILS.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ResUtilFindDependentDiskResourceDriveLetter(
    hCluster As IntPtr,   ' HCLUSTER
    hResource As IntPtr,   ' HRESOURCE
    <MarshalAs(UnmanagedType.LPWStr)> pszDriveLetter As System.Text.StringBuilder,   ' LPWSTR out
    ByRef pcchDriveLetter As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hCluster : HCLUSTER
' hResource : HRESOURCE
' pszDriveLetter : LPWSTR out
' pcchDriveLetter : DWORD* in/out
Declare PtrSafe Function ResUtilFindDependentDiskResourceDriveLetter Lib "resutils" ( _
    ByVal hCluster As LongPtr, _
    ByVal hResource As LongPtr, _
    ByVal pszDriveLetter As LongPtr, _
    ByRef pcchDriveLetter 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

ResUtilFindDependentDiskResourceDriveLetter = ctypes.windll.resutils.ResUtilFindDependentDiskResourceDriveLetter
ResUtilFindDependentDiskResourceDriveLetter.restype = wintypes.DWORD
ResUtilFindDependentDiskResourceDriveLetter.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
    ctypes.c_ssize_t,  # hResource : HRESOURCE
    wintypes.LPWSTR,  # pszDriveLetter : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # pcchDriveLetter : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RESUTILS.dll')
ResUtilFindDependentDiskResourceDriveLetter = Fiddle::Function.new(
  lib['ResUtilFindDependentDiskResourceDriveLetter'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
    Fiddle::TYPE_INTPTR_T,  # hResource : HRESOURCE
    Fiddle::TYPE_VOIDP,  # pszDriveLetter : LPWSTR out
    Fiddle::TYPE_VOIDP,  # pcchDriveLetter : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "resutils")]
extern "system" {
    fn ResUtilFindDependentDiskResourceDriveLetter(
        hCluster: isize,  // HCLUSTER
        hResource: isize,  // HRESOURCE
        pszDriveLetter: *mut u16,  // LPWSTR out
        pcchDriveLetter: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RESUTILS.dll", SetLastError = true)]
public static extern uint ResUtilFindDependentDiskResourceDriveLetter(IntPtr hCluster, IntPtr hResource, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszDriveLetter, ref uint pcchDriveLetter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RESUTILS_ResUtilFindDependentDiskResourceDriveLetter' -Namespace Win32 -PassThru
# $api::ResUtilFindDependentDiskResourceDriveLetter(hCluster, hResource, pszDriveLetter, pcchDriveLetter)

#uselib "RESUTILS.dll"
#func global ResUtilFindDependentDiskResourceDriveLetter "ResUtilFindDependentDiskResourceDriveLetter" sptr, sptr, sptr, sptr
; ResUtilFindDependentDiskResourceDriveLetter hCluster, hResource, varptr(pszDriveLetter), varptr(pcchDriveLetter)   ; 戻り値は stat
; hCluster : HCLUSTER -> "sptr"
; hResource : HRESOURCE -> "sptr"
; pszDriveLetter : LPWSTR out -> "sptr"
; pcchDriveLetter : DWORD* in/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 "RESUTILS.dll"
#cfunc global ResUtilFindDependentDiskResourceDriveLetter "ResUtilFindDependentDiskResourceDriveLetter" sptr, sptr, var, var
; res = ResUtilFindDependentDiskResourceDriveLetter(hCluster, hResource, pszDriveLetter, pcchDriveLetter)
; hCluster : HCLUSTER -> "sptr"
; hResource : HRESOURCE -> "sptr"
; pszDriveLetter : LPWSTR out -> "var"
; pcchDriveLetter : DWORD* in/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。

; DWORD ResUtilFindDependentDiskResourceDriveLetter(HCLUSTER hCluster, HRESOURCE hResource, LPWSTR pszDriveLetter, DWORD* pcchDriveLetter)
#uselib "RESUTILS.dll"
#cfunc global ResUtilFindDependentDiskResourceDriveLetter "ResUtilFindDependentDiskResourceDriveLetter" intptr, intptr, var, var
; res = ResUtilFindDependentDiskResourceDriveLetter(hCluster, hResource, pszDriveLetter, pcchDriveLetter)
; hCluster : HCLUSTER -> "intptr"
; hResource : HRESOURCE -> "intptr"
; pszDriveLetter : LPWSTR out -> "var"
; pcchDriveLetter : DWORD* in/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 (
	resutils = windows.NewLazySystemDLL("RESUTILS.dll")
	procResUtilFindDependentDiskResourceDriveLetter = resutils.NewProc("ResUtilFindDependentDiskResourceDriveLetter")
)

// hCluster (HCLUSTER), hResource (HRESOURCE), pszDriveLetter (LPWSTR out), pcchDriveLetter (DWORD* in/out)
r1, _, err := procResUtilFindDependentDiskResourceDriveLetter.Call(
	uintptr(hCluster),
	uintptr(hResource),
	uintptr(pszDriveLetter),
	uintptr(pcchDriveLetter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ResUtilFindDependentDiskResourceDriveLetter(
  hCluster: NativeInt;   // HCLUSTER
  hResource: NativeInt;   // HRESOURCE
  pszDriveLetter: PWideChar;   // LPWSTR out
  pcchDriveLetter: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'RESUTILS.dll' name 'ResUtilFindDependentDiskResourceDriveLetter';

result := DllCall("RESUTILS\ResUtilFindDependentDiskResourceDriveLetter"
    , "Ptr", hCluster   ; HCLUSTER
    , "Ptr", hResource   ; HRESOURCE
    , "Ptr", pszDriveLetter   ; LPWSTR out
    , "Ptr", pcchDriveLetter   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●ResUtilFindDependentDiskResourceDriveLetter(hCluster, hResource, pszDriveLetter, pcchDriveLetter) = DLL("RESUTILS.dll", "dword ResUtilFindDependentDiskResourceDriveLetter(int, int, char*, void*)")
# 呼び出し: ResUtilFindDependentDiskResourceDriveLetter(hCluster, hResource, pszDriveLetter, pcchDriveLetter)
# hCluster : HCLUSTER -> "int"
# hResource : HRESOURCE -> "int"
# pszDriveLetter : LPWSTR out -> "char*"
# pcchDriveLetter : DWORD* in/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)。