GetClusterResourceNetworkName

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

BOOL GetClusterResourceNetworkName(
    HRESOURCE hResource,
    LPWSTR lpBuffer,
    DWORD* nSize
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetClusterResourceNetworkName(
    hResource As IntPtr,   ' HRESOURCE
    <MarshalAs(UnmanagedType.LPWStr)> lpBuffer As System.Text.StringBuilder,   ' LPWSTR out
    ByRef nSize As UInteger   ' DWORD* in/out
) As Boolean
End Function

' hResource : HRESOURCE
' lpBuffer : LPWSTR out
' nSize : DWORD* in/out
Declare PtrSafe Function GetClusterResourceNetworkName Lib "clusapi" ( _
    ByVal hResource As LongPtr, _
    ByVal lpBuffer As LongPtr, _
    ByRef nSize 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

GetClusterResourceNetworkName = ctypes.windll.clusapi.GetClusterResourceNetworkName
GetClusterResourceNetworkName.restype = wintypes.BOOL
GetClusterResourceNetworkName.argtypes = [
    ctypes.c_ssize_t,  # hResource : HRESOURCE
    wintypes.LPWSTR,  # lpBuffer : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # nSize : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
GetClusterResourceNetworkName = Fiddle::Function.new(
  lib['GetClusterResourceNetworkName'],
  [
    Fiddle::TYPE_INTPTR_T,  # hResource : HRESOURCE
    Fiddle::TYPE_VOIDP,  # lpBuffer : LPWSTR out
    Fiddle::TYPE_VOIDP,  # nSize : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn GetClusterResourceNetworkName(
        hResource: isize,  // HRESOURCE
        lpBuffer: *mut u16,  // LPWSTR out
        nSize: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CLUSAPI.dll", SetLastError = true)]
public static extern bool GetClusterResourceNetworkName(IntPtr hResource, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpBuffer, ref uint nSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_GetClusterResourceNetworkName' -Namespace Win32 -PassThru
# $api::GetClusterResourceNetworkName(hResource, lpBuffer, nSize)

#uselib "CLUSAPI.dll"
#func global GetClusterResourceNetworkName "GetClusterResourceNetworkName" sptr, sptr, sptr
; GetClusterResourceNetworkName hResource, varptr(lpBuffer), varptr(nSize)   ; 戻り値は stat
; hResource : HRESOURCE -> "sptr"
; lpBuffer : LPWSTR out -> "sptr"
; nSize : 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 "CLUSAPI.dll"
#cfunc global GetClusterResourceNetworkName "GetClusterResourceNetworkName" sptr, var, var
; res = GetClusterResourceNetworkName(hResource, lpBuffer, nSize)
; hResource : HRESOURCE -> "sptr"
; lpBuffer : LPWSTR out -> "var"
; nSize : 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。

; BOOL GetClusterResourceNetworkName(HRESOURCE hResource, LPWSTR lpBuffer, DWORD* nSize)
#uselib "CLUSAPI.dll"
#cfunc global GetClusterResourceNetworkName "GetClusterResourceNetworkName" intptr, var, var
; res = GetClusterResourceNetworkName(hResource, lpBuffer, nSize)
; hResource : HRESOURCE -> "intptr"
; lpBuffer : LPWSTR out -> "var"
; nSize : 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 (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procGetClusterResourceNetworkName = clusapi.NewProc("GetClusterResourceNetworkName")
)

// hResource (HRESOURCE), lpBuffer (LPWSTR out), nSize (DWORD* in/out)
r1, _, err := procGetClusterResourceNetworkName.Call(
	uintptr(hResource),
	uintptr(lpBuffer),
	uintptr(nSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetClusterResourceNetworkName(
  hResource: NativeInt;   // HRESOURCE
  lpBuffer: PWideChar;   // LPWSTR out
  nSize: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CLUSAPI.dll' name 'GetClusterResourceNetworkName';

result := DllCall("CLUSAPI\GetClusterResourceNetworkName"
    , "Ptr", hResource   ; HRESOURCE
    , "Ptr", lpBuffer   ; LPWSTR out
    , "Ptr", nSize   ; DWORD* in/out
    , "Int")   ; return: BOOL

●GetClusterResourceNetworkName(hResource, lpBuffer, nSize) = DLL("CLUSAPI.dll", "bool GetClusterResourceNetworkName(int, char*, void*)")
# 呼び出し: GetClusterResourceNetworkName(hResource, lpBuffer, nSize)
# hResource : HRESOURCE -> "int"
# lpBuffer : LPWSTR out -> "char*"
# nSize : 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)。