ホーム › Networking.Clustering › ClusterNodeEnum
ClusterNodeEnum
関数ノード列挙から指定インデックスのノード名と種別を取得する。
シグネチャ
// CLUSAPI.dll
#include <windows.h>
DWORD ClusterNodeEnum(
HNODEENUM hNodeEnum,
DWORD dwIndex,
DWORD* lpdwType,
LPWSTR lpszName,
DWORD* lpcchName
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hNodeEnum | HNODEENUM | in | ClusterNodeOpenEnumで取得したノード列挙ハンドル。 |
| dwIndex | DWORD | in | 取得する要素の0始まりのインデックス。0から順に列挙する。 |
| lpdwType | DWORD* | out | 返される項目の種別を受け取るDWORDへのポインタ。 |
| lpszName | LPWSTR | out | オブジェクト名を受け取るワイド文字列バッファ。NULLでサイズ取得も可。 |
| lpcchName | DWORD* | inout | lpszNameの文字数を入出力する。終端NULを含まない文字数が返る。 |
戻り値の型: DWORD
各言語での呼び出し定義
// CLUSAPI.dll
#include <windows.h>
DWORD ClusterNodeEnum(
HNODEENUM hNodeEnum,
DWORD dwIndex,
DWORD* lpdwType,
LPWSTR lpszName,
DWORD* lpcchName
);[DllImport("CLUSAPI.dll", ExactSpelling = true)]
static extern uint ClusterNodeEnum(
IntPtr hNodeEnum, // HNODEENUM
uint dwIndex, // DWORD
out uint lpdwType, // DWORD* out
[MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszName, // LPWSTR out
ref uint lpcchName // DWORD* in/out
);<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterNodeEnum(
hNodeEnum As IntPtr, ' HNODEENUM
dwIndex As UInteger, ' DWORD
<Out> ByRef lpdwType As UInteger, ' DWORD* out
<MarshalAs(UnmanagedType.LPWStr)> lpszName As System.Text.StringBuilder, ' LPWSTR out
ByRef lpcchName As UInteger ' DWORD* in/out
) As UInteger
End Function' hNodeEnum : HNODEENUM
' dwIndex : DWORD
' lpdwType : DWORD* out
' lpszName : LPWSTR out
' lpcchName : DWORD* in/out
Declare PtrSafe Function ClusterNodeEnum Lib "clusapi" ( _
ByVal hNodeEnum As LongPtr, _
ByVal dwIndex As Long, _
ByRef lpdwType As Long, _
ByVal lpszName As LongPtr, _
ByRef lpcchName 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
ClusterNodeEnum = ctypes.windll.clusapi.ClusterNodeEnum
ClusterNodeEnum.restype = wintypes.DWORD
ClusterNodeEnum.argtypes = [
ctypes.c_ssize_t, # hNodeEnum : HNODEENUM
wintypes.DWORD, # dwIndex : DWORD
ctypes.POINTER(wintypes.DWORD), # lpdwType : DWORD* out
wintypes.LPWSTR, # lpszName : LPWSTR out
ctypes.POINTER(wintypes.DWORD), # lpcchName : DWORD* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterNodeEnum = Fiddle::Function.new(
lib['ClusterNodeEnum'],
[
Fiddle::TYPE_INTPTR_T, # hNodeEnum : HNODEENUM
-Fiddle::TYPE_INT, # dwIndex : DWORD
Fiddle::TYPE_VOIDP, # lpdwType : DWORD* out
Fiddle::TYPE_VOIDP, # lpszName : LPWSTR out
Fiddle::TYPE_VOIDP, # lpcchName : DWORD* in/out
],
-Fiddle::TYPE_INT)#[link(name = "clusapi")]
extern "system" {
fn ClusterNodeEnum(
hNodeEnum: isize, // HNODEENUM
dwIndex: u32, // DWORD
lpdwType: *mut u32, // DWORD* out
lpszName: *mut u16, // LPWSTR out
lpcchName: *mut u32 // DWORD* in/out
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint ClusterNodeEnum(IntPtr hNodeEnum, uint dwIndex, out uint lpdwType, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszName, ref uint lpcchName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterNodeEnum' -Namespace Win32 -PassThru
# $api::ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)#uselib "CLUSAPI.dll"
#func global ClusterNodeEnum "ClusterNodeEnum" sptr, sptr, sptr, sptr, sptr
; ClusterNodeEnum hNodeEnum, dwIndex, varptr(lpdwType), varptr(lpszName), varptr(lpcchName) ; 戻り値は stat
; hNodeEnum : HNODEENUM -> "sptr"
; dwIndex : DWORD -> "sptr"
; lpdwType : DWORD* out -> "sptr"
; lpszName : LPWSTR out -> "sptr"
; lpcchName : 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。出力引数:
#uselib "CLUSAPI.dll" #cfunc global ClusterNodeEnum "ClusterNodeEnum" sptr, int, var, var, var ; res = ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName) ; hNodeEnum : HNODEENUM -> "sptr" ; dwIndex : DWORD -> "int" ; lpdwType : DWORD* out -> "var" ; lpszName : LPWSTR out -> "var" ; lpcchName : 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。#uselib "CLUSAPI.dll" #cfunc global ClusterNodeEnum "ClusterNodeEnum" sptr, int, sptr, sptr, sptr ; res = ClusterNodeEnum(hNodeEnum, dwIndex, varptr(lpdwType), varptr(lpszName), varptr(lpcchName)) ; hNodeEnum : HNODEENUM -> "sptr" ; dwIndex : DWORD -> "int" ; lpdwType : DWORD* out -> "sptr" ; lpszName : LPWSTR out -> "sptr" ; lpcchName : DWORD* in/out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; DWORD ClusterNodeEnum(HNODEENUM hNodeEnum, DWORD dwIndex, DWORD* lpdwType, LPWSTR lpszName, DWORD* lpcchName) #uselib "CLUSAPI.dll" #cfunc global ClusterNodeEnum "ClusterNodeEnum" intptr, int, var, var, var ; res = ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName) ; hNodeEnum : HNODEENUM -> "intptr" ; dwIndex : DWORD -> "int" ; lpdwType : DWORD* out -> "var" ; lpszName : LPWSTR out -> "var" ; lpcchName : 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 ClusterNodeEnum(HNODEENUM hNodeEnum, DWORD dwIndex, DWORD* lpdwType, LPWSTR lpszName, DWORD* lpcchName) #uselib "CLUSAPI.dll" #cfunc global ClusterNodeEnum "ClusterNodeEnum" intptr, int, intptr, intptr, intptr ; res = ClusterNodeEnum(hNodeEnum, dwIndex, varptr(lpdwType), varptr(lpszName), varptr(lpcchName)) ; hNodeEnum : HNODEENUM -> "intptr" ; dwIndex : DWORD -> "int" ; lpdwType : DWORD* out -> "intptr" ; lpszName : LPWSTR out -> "intptr" ; lpcchName : DWORD* in/out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
procClusterNodeEnum = clusapi.NewProc("ClusterNodeEnum")
)
// hNodeEnum (HNODEENUM), dwIndex (DWORD), lpdwType (DWORD* out), lpszName (LPWSTR out), lpcchName (DWORD* in/out)
r1, _, err := procClusterNodeEnum.Call(
uintptr(hNodeEnum),
uintptr(dwIndex),
uintptr(lpdwType),
uintptr(lpszName),
uintptr(lpcchName),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // DWORDfunction ClusterNodeEnum(
hNodeEnum: NativeInt; // HNODEENUM
dwIndex: DWORD; // DWORD
lpdwType: Pointer; // DWORD* out
lpszName: PWideChar; // LPWSTR out
lpcchName: Pointer // DWORD* in/out
): DWORD; stdcall;
external 'CLUSAPI.dll' name 'ClusterNodeEnum';result := DllCall("CLUSAPI\ClusterNodeEnum"
, "Ptr", hNodeEnum ; HNODEENUM
, "UInt", dwIndex ; DWORD
, "Ptr", lpdwType ; DWORD* out
, "Ptr", lpszName ; LPWSTR out
, "Ptr", lpcchName ; DWORD* in/out
, "UInt") ; return: DWORD●ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName) = DLL("CLUSAPI.dll", "dword ClusterNodeEnum(int, dword, void*, char*, void*)")
# 呼び出し: ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)
# hNodeEnum : HNODEENUM -> "int"
# dwIndex : DWORD -> "dword"
# lpdwType : DWORD* out -> "void*"
# lpszName : LPWSTR out -> "char*"
# lpcchName : 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)。const std = @import("std");
extern "clusapi" fn ClusterNodeEnum(
hNodeEnum: isize, // HNODEENUM
dwIndex: u32, // DWORD
lpdwType: [*c]u32, // DWORD* out
lpszName: [*c]u16, // LPWSTR out
lpcchName: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;proc ClusterNodeEnum(
hNodeEnum: int, # HNODEENUM
dwIndex: uint32, # DWORD
lpdwType: ptr uint32, # DWORD* out
lpszName: ptr uint16, # LPWSTR out
lpcchName: ptr uint32 # DWORD* in/out
): uint32 {.importc: "ClusterNodeEnum", stdcall, dynlib: "CLUSAPI.dll".}pragma(lib, "clusapi");
extern(Windows)
uint ClusterNodeEnum(
ptrdiff_t hNodeEnum, // HNODEENUM
uint dwIndex, // DWORD
uint* lpdwType, // DWORD* out
wchar* lpszName, // LPWSTR out
uint* lpcchName // DWORD* in/out
);ccall((:ClusterNodeEnum, "CLUSAPI.dll"), stdcall, UInt32,
(Int, UInt32, Ptr{UInt32}, Ptr{UInt16}, Ptr{UInt32}),
hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)
# hNodeEnum : HNODEENUM -> Int
# dwIndex : DWORD -> UInt32
# lpdwType : DWORD* out -> Ptr{UInt32}
# lpszName : LPWSTR out -> Ptr{UInt16}
# lpcchName : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
uint32_t ClusterNodeEnum(
intptr_t hNodeEnum,
uint32_t dwIndex,
uint32_t* lpdwType,
uint16_t* lpszName,
uint32_t* lpcchName);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)
-- hNodeEnum : HNODEENUM
-- dwIndex : DWORD
-- lpdwType : DWORD* out
-- lpszName : LPWSTR out
-- lpcchName : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('CLUSAPI.dll');
const ClusterNodeEnum = lib.func('__stdcall', 'ClusterNodeEnum', 'uint32_t', ['intptr_t', 'uint32_t', 'uint32_t *', 'uint16_t *', 'uint32_t *']);
// ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)
// hNodeEnum : HNODEENUM -> 'intptr_t'
// dwIndex : DWORD -> 'uint32_t'
// lpdwType : DWORD* out -> 'uint32_t *'
// lpszName : LPWSTR out -> 'uint16_t *'
// lpcchName : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("CLUSAPI.dll", {
ClusterNodeEnum: { parameters: ["isize", "u32", "pointer", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName)
// hNodeEnum : HNODEENUM -> "isize"
// dwIndex : DWORD -> "u32"
// lpdwType : DWORD* out -> "pointer"
// lpszName : LPWSTR out -> "buffer"
// lpcchName : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
uint32_t ClusterNodeEnum(
intptr_t hNodeEnum,
uint32_t dwIndex,
uint32_t* lpdwType,
uint16_t* lpszName,
uint32_t* lpcchName);
C, "CLUSAPI.dll");
// $ffi->ClusterNodeEnum(hNodeEnum, dwIndex, lpdwType, lpszName, lpcchName);
// hNodeEnum : HNODEENUM
// dwIndex : DWORD
// lpdwType : DWORD* out
// lpszName : LPWSTR out
// lpcchName : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Clusapi extends StdCallLibrary {
Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
int ClusterNodeEnum(
long hNodeEnum, // HNODEENUM
int dwIndex, // DWORD
IntByReference lpdwType, // DWORD* out
char[] lpszName, // LPWSTR out
IntByReference lpcchName // DWORD* in/out
);
}@[Link("clusapi")]
lib LibCLUSAPI
fun ClusterNodeEnum = ClusterNodeEnum(
hNodeEnum : LibC::SSizeT, # HNODEENUM
dwIndex : UInt32, # DWORD
lpdwType : UInt32*, # DWORD* out
lpszName : UInt16*, # LPWSTR out
lpcchName : UInt32* # DWORD* in/out
) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef ClusterNodeEnumNative = Uint32 Function(IntPtr, Uint32, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>);
typedef ClusterNodeEnumDart = int Function(int, int, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>);
final ClusterNodeEnum = DynamicLibrary.open('CLUSAPI.dll')
.lookupFunction<ClusterNodeEnumNative, ClusterNodeEnumDart>('ClusterNodeEnum');
// hNodeEnum : HNODEENUM -> IntPtr
// dwIndex : DWORD -> Uint32
// lpdwType : DWORD* out -> Pointer<Uint32>
// lpszName : LPWSTR out -> Pointer<Utf16>
// lpcchName : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function ClusterNodeEnum(
hNodeEnum: NativeInt; // HNODEENUM
dwIndex: DWORD; // DWORD
lpdwType: Pointer; // DWORD* out
lpszName: PWideChar; // LPWSTR out
lpcchName: Pointer // DWORD* in/out
): DWORD; stdcall;
external 'CLUSAPI.dll' name 'ClusterNodeEnum';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "ClusterNodeEnum"
c_ClusterNodeEnum :: CIntPtr -> Word32 -> Ptr Word32 -> CWString -> Ptr Word32 -> IO Word32
-- hNodeEnum : HNODEENUM -> CIntPtr
-- dwIndex : DWORD -> Word32
-- lpdwType : DWORD* out -> Ptr Word32
-- lpszName : LPWSTR out -> CWString
-- lpcchName : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let clusternodeenum =
foreign "ClusterNodeEnum"
(intptr_t @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hNodeEnum : HNODEENUM -> intptr_t *)
(* dwIndex : DWORD -> uint32_t *)
(* lpdwType : DWORD* out -> (ptr uint32_t) *)
(* lpszName : LPWSTR out -> (ptr uint16_t) *)
(* lpcchName : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)
(cffi:defcfun ("ClusterNodeEnum" cluster-node-enum :convention :stdcall) :uint32
(h-node-enum :int64) ; HNODEENUM
(dw-index :uint32) ; DWORD
(lpdw-type :pointer) ; DWORD* out
(lpsz-name :pointer) ; LPWSTR out
(lpcch-name :pointer)) ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $ClusterNodeEnum = Win32::API::More->new('CLUSAPI',
'DWORD ClusterNodeEnum(LPARAM hNodeEnum, DWORD dwIndex, LPVOID lpdwType, LPWSTR lpszName, LPVOID lpcchName)');
# my $ret = $ClusterNodeEnum->Call($hNodeEnum, $dwIndex, $lpdwType, $lpszName, $lpcchName);
# hNodeEnum : HNODEENUM -> LPARAM
# dwIndex : DWORD -> DWORD
# lpdwType : DWORD* out -> LPVOID
# lpszName : LPWSTR out -> LPWSTR
# lpcchName : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
類似 API
- f ClusterNodeEnumEx — ノード拡張列挙からインデックス指定で項目を取得する。