PauseClusterNodeEx2

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

DWORD PauseClusterNodeEx2(
    HNODE hNode,
    BOOL bDrainNode,
    DWORD dwPauseFlags,
    HNODE hNodeDrainTarget,   // optional
    LPCWSTR lpszReason   // optional
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function PauseClusterNodeEx2(
    hNode As IntPtr,   ' HNODE
    bDrainNode As Boolean,   ' BOOL
    dwPauseFlags As UInteger,   ' DWORD
    hNodeDrainTarget As IntPtr,   ' HNODE optional
    <MarshalAs(UnmanagedType.LPWStr)> lpszReason As String   ' LPCWSTR optional
) As UInteger
End Function

' hNode : HNODE
' bDrainNode : BOOL
' dwPauseFlags : DWORD
' hNodeDrainTarget : HNODE optional
' lpszReason : LPCWSTR optional
Declare PtrSafe Function PauseClusterNodeEx2 Lib "clusapi" ( _
    ByVal hNode As LongPtr, _
    ByVal bDrainNode As Long, _
    ByVal dwPauseFlags As Long, _
    ByVal hNodeDrainTarget As LongPtr, _
    ByVal lpszReason 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

PauseClusterNodeEx2 = ctypes.windll.clusapi.PauseClusterNodeEx2
PauseClusterNodeEx2.restype = wintypes.DWORD
PauseClusterNodeEx2.argtypes = [
    ctypes.c_ssize_t,  # hNode : HNODE
    wintypes.BOOL,  # bDrainNode : BOOL
    wintypes.DWORD,  # dwPauseFlags : DWORD
    ctypes.c_ssize_t,  # hNodeDrainTarget : HNODE optional
    wintypes.LPCWSTR,  # lpszReason : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
PauseClusterNodeEx2 = Fiddle::Function.new(
  lib['PauseClusterNodeEx2'],
  [
    Fiddle::TYPE_INTPTR_T,  # hNode : HNODE
    Fiddle::TYPE_INT,  # bDrainNode : BOOL
    -Fiddle::TYPE_INT,  # dwPauseFlags : DWORD
    Fiddle::TYPE_INTPTR_T,  # hNodeDrainTarget : HNODE optional
    Fiddle::TYPE_VOIDP,  # lpszReason : LPCWSTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn PauseClusterNodeEx2(
        hNode: isize,  // HNODE
        bDrainNode: i32,  // BOOL
        dwPauseFlags: u32,  // DWORD
        hNodeDrainTarget: isize,  // HNODE optional
        lpszReason: *const u16  // LPCWSTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint PauseClusterNodeEx2(IntPtr hNode, bool bDrainNode, uint dwPauseFlags, IntPtr hNodeDrainTarget, [MarshalAs(UnmanagedType.LPWStr)] string lpszReason);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_PauseClusterNodeEx2' -Namespace Win32 -PassThru
# $api::PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)

#uselib "CLUSAPI.dll"
#func global PauseClusterNodeEx2 "PauseClusterNodeEx2" sptr, sptr, sptr, sptr, sptr
; PauseClusterNodeEx2 hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason   ; 戻り値は stat
; hNode : HNODE -> "sptr"
; bDrainNode : BOOL -> "sptr"
; dwPauseFlags : DWORD -> "sptr"
; hNodeDrainTarget : HNODE optional -> "sptr"
; lpszReason : LPCWSTR optional -> "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 PauseClusterNodeEx2 "PauseClusterNodeEx2" sptr, int, int, sptr, wstr
; res = PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
; hNode : HNODE -> "sptr"
; bDrainNode : BOOL -> "int"
; dwPauseFlags : DWORD -> "int"
; hNodeDrainTarget : HNODE optional -> "sptr"
; lpszReason : LPCWSTR optional -> "wstr"

; DWORD PauseClusterNodeEx2(HNODE hNode, BOOL bDrainNode, DWORD dwPauseFlags, HNODE hNodeDrainTarget, LPCWSTR lpszReason)
#uselib "CLUSAPI.dll"
#cfunc global PauseClusterNodeEx2 "PauseClusterNodeEx2" intptr, int, int, intptr, wstr
; res = PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
; hNode : HNODE -> "intptr"
; bDrainNode : BOOL -> "int"
; dwPauseFlags : DWORD -> "int"
; hNodeDrainTarget : HNODE optional -> "intptr"
; lpszReason : LPCWSTR optional -> "wstr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procPauseClusterNodeEx2 = clusapi.NewProc("PauseClusterNodeEx2")
)

// hNode (HNODE), bDrainNode (BOOL), dwPauseFlags (DWORD), hNodeDrainTarget (HNODE optional), lpszReason (LPCWSTR optional)
r1, _, err := procPauseClusterNodeEx2.Call(
	uintptr(hNode),
	uintptr(bDrainNode),
	uintptr(dwPauseFlags),
	uintptr(hNodeDrainTarget),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszReason))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PauseClusterNodeEx2(
  hNode: NativeInt;   // HNODE
  bDrainNode: BOOL;   // BOOL
  dwPauseFlags: DWORD;   // DWORD
  hNodeDrainTarget: NativeInt;   // HNODE optional
  lpszReason: PWideChar   // LPCWSTR optional
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'PauseClusterNodeEx2';

result := DllCall("CLUSAPI\PauseClusterNodeEx2"
    , "Ptr", hNode   ; HNODE
    , "Int", bDrainNode   ; BOOL
    , "UInt", dwPauseFlags   ; DWORD
    , "Ptr", hNodeDrainTarget   ; HNODE optional
    , "WStr", lpszReason   ; LPCWSTR optional
    , "UInt")   ; return: DWORD

●PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason) = DLL("CLUSAPI.dll", "dword PauseClusterNodeEx2(int, bool, dword, int, char*)")
# 呼び出し: PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
# hNode : HNODE -> "int"
# bDrainNode : BOOL -> "bool"
# dwPauseFlags : DWORD -> "dword"
# hNodeDrainTarget : HNODE optional -> "int"
# lpszReason : LPCWSTR optional -> "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)。