ClusterCreateAffinityRule

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

DWORD ClusterCreateAffinityRule(
    HCLUSTER hCluster,
    LPCWSTR ruleName,
    CLUS_AFFINITY_RULE_TYPE ruleType
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterCreateAffinityRule(
    hCluster As IntPtr,   ' HCLUSTER
    <MarshalAs(UnmanagedType.LPWStr)> ruleName As String,   ' LPCWSTR
    ruleType As Integer   ' CLUS_AFFINITY_RULE_TYPE
) As UInteger
End Function

' hCluster : HCLUSTER
' ruleName : LPCWSTR
' ruleType : CLUS_AFFINITY_RULE_TYPE
Declare PtrSafe Function ClusterCreateAffinityRule Lib "clusapi" ( _
    ByVal hCluster As LongPtr, _
    ByVal ruleName As LongPtr, _
    ByVal ruleType 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

ClusterCreateAffinityRule = ctypes.windll.clusapi.ClusterCreateAffinityRule
ClusterCreateAffinityRule.restype = wintypes.DWORD
ClusterCreateAffinityRule.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
    wintypes.LPCWSTR,  # ruleName : LPCWSTR
    ctypes.c_int,  # ruleType : CLUS_AFFINITY_RULE_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterCreateAffinityRule = Fiddle::Function.new(
  lib['ClusterCreateAffinityRule'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
    Fiddle::TYPE_VOIDP,  # ruleName : LPCWSTR
    Fiddle::TYPE_INT,  # ruleType : CLUS_AFFINITY_RULE_TYPE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterCreateAffinityRule(
        hCluster: isize,  // HCLUSTER
        ruleName: *const u16,  // LPCWSTR
        ruleType: i32  // CLUS_AFFINITY_RULE_TYPE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint ClusterCreateAffinityRule(IntPtr hCluster, [MarshalAs(UnmanagedType.LPWStr)] string ruleName, int ruleType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterCreateAffinityRule' -Namespace Win32 -PassThru
# $api::ClusterCreateAffinityRule(hCluster, ruleName, ruleType)

#uselib "CLUSAPI.dll"
#func global ClusterCreateAffinityRule "ClusterCreateAffinityRule" sptr, sptr, sptr
; ClusterCreateAffinityRule hCluster, ruleName, ruleType   ; 戻り値は stat
; hCluster : HCLUSTER -> "sptr"
; ruleName : LPCWSTR -> "sptr"
; ruleType : CLUS_AFFINITY_RULE_TYPE -> "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 ClusterCreateAffinityRule "ClusterCreateAffinityRule" sptr, wstr, int
; res = ClusterCreateAffinityRule(hCluster, ruleName, ruleType)
; hCluster : HCLUSTER -> "sptr"
; ruleName : LPCWSTR -> "wstr"
; ruleType : CLUS_AFFINITY_RULE_TYPE -> "int"

; DWORD ClusterCreateAffinityRule(HCLUSTER hCluster, LPCWSTR ruleName, CLUS_AFFINITY_RULE_TYPE ruleType)
#uselib "CLUSAPI.dll"
#cfunc global ClusterCreateAffinityRule "ClusterCreateAffinityRule" intptr, wstr, int
; res = ClusterCreateAffinityRule(hCluster, ruleName, ruleType)
; hCluster : HCLUSTER -> "intptr"
; ruleName : LPCWSTR -> "wstr"
; ruleType : CLUS_AFFINITY_RULE_TYPE -> "int"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterCreateAffinityRule = clusapi.NewProc("ClusterCreateAffinityRule")
)

// hCluster (HCLUSTER), ruleName (LPCWSTR), ruleType (CLUS_AFFINITY_RULE_TYPE)
r1, _, err := procClusterCreateAffinityRule.Call(
	uintptr(hCluster),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ruleName))),
	uintptr(ruleType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterCreateAffinityRule(
  hCluster: NativeInt;   // HCLUSTER
  ruleName: PWideChar;   // LPCWSTR
  ruleType: Integer   // CLUS_AFFINITY_RULE_TYPE
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterCreateAffinityRule';

result := DllCall("CLUSAPI\ClusterCreateAffinityRule"
    , "Ptr", hCluster   ; HCLUSTER
    , "WStr", ruleName   ; LPCWSTR
    , "Int", ruleType   ; CLUS_AFFINITY_RULE_TYPE
    , "UInt")   ; return: DWORD

●ClusterCreateAffinityRule(hCluster, ruleName, ruleType) = DLL("CLUSAPI.dll", "dword ClusterCreateAffinityRule(int, char*, int)")
# 呼び出し: ClusterCreateAffinityRule(hCluster, ruleName, ruleType)
# hCluster : HCLUSTER -> "int"
# ruleName : LPCWSTR -> "char*"
# ruleType : CLUS_AFFINITY_RULE_TYPE -> "int"
# 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)。