OpenClusterResource

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

HRESOURCE OpenClusterResource(
    HCLUSTER hCluster,
    LPCWSTR lpszResourceName
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function OpenClusterResource(
    hCluster As IntPtr,   ' HCLUSTER
    <MarshalAs(UnmanagedType.LPWStr)> lpszResourceName As String   ' LPCWSTR
) As IntPtr
End Function

' hCluster : HCLUSTER
' lpszResourceName : LPCWSTR
Declare PtrSafe Function OpenClusterResource Lib "clusapi" ( _
    ByVal hCluster As LongPtr, _
    ByVal lpszResourceName As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OpenClusterResource = ctypes.windll.clusapi.OpenClusterResource
OpenClusterResource.restype = ctypes.c_ssize_t
OpenClusterResource.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
    wintypes.LPCWSTR,  # lpszResourceName : LPCWSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
OpenClusterResource = Fiddle::Function.new(
  lib['OpenClusterResource'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
    Fiddle::TYPE_VOIDP,  # lpszResourceName : LPCWSTR
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "clusapi")]
extern "system" {
    fn OpenClusterResource(
        hCluster: isize,  // HCLUSTER
        lpszResourceName: *const u16  // LPCWSTR
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll", SetLastError = true)]
public static extern IntPtr OpenClusterResource(IntPtr hCluster, [MarshalAs(UnmanagedType.LPWStr)] string lpszResourceName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_OpenClusterResource' -Namespace Win32 -PassThru
# $api::OpenClusterResource(hCluster, lpszResourceName)

#uselib "CLUSAPI.dll"
#func global OpenClusterResource "OpenClusterResource" sptr, sptr
; OpenClusterResource hCluster, lpszResourceName   ; 戻り値は stat
; hCluster : HCLUSTER -> "sptr"
; lpszResourceName : LPCWSTR -> "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 "CLUSAPI.dll"
#cfunc global OpenClusterResource "OpenClusterResource" sptr, wstr
; res = OpenClusterResource(hCluster, lpszResourceName)
; hCluster : HCLUSTER -> "sptr"
; lpszResourceName : LPCWSTR -> "wstr"

; HRESOURCE OpenClusterResource(HCLUSTER hCluster, LPCWSTR lpszResourceName)
#uselib "CLUSAPI.dll"
#cfunc global OpenClusterResource "OpenClusterResource" intptr, wstr
; res = OpenClusterResource(hCluster, lpszResourceName)
; hCluster : HCLUSTER -> "intptr"
; lpszResourceName : LPCWSTR -> "wstr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procOpenClusterResource = clusapi.NewProc("OpenClusterResource")
)

// hCluster (HCLUSTER), lpszResourceName (LPCWSTR)
r1, _, err := procOpenClusterResource.Call(
	uintptr(hCluster),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszResourceName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESOURCE

function OpenClusterResource(
  hCluster: NativeInt;   // HCLUSTER
  lpszResourceName: PWideChar   // LPCWSTR
): NativeInt; stdcall;
  external 'CLUSAPI.dll' name 'OpenClusterResource';

result := DllCall("CLUSAPI\OpenClusterResource"
    , "Ptr", hCluster   ; HCLUSTER
    , "WStr", lpszResourceName   ; LPCWSTR
    , "Ptr")   ; return: HRESOURCE

●OpenClusterResource(hCluster, lpszResourceName) = DLL("CLUSAPI.dll", "int OpenClusterResource(int, char*)")
# 呼び出し: OpenClusterResource(hCluster, lpszResourceName)
# hCluster : HCLUSTER -> "int"
# lpszResourceName : LPCWSTR -> "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)。