CloseClusterGroup

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

BOOL CloseClusterGroup(
    HGROUP hGroup
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CloseClusterGroup(
    hGroup As IntPtr   ' HGROUP
) As Boolean
End Function

' hGroup : HGROUP
Declare PtrSafe Function CloseClusterGroup Lib "clusapi" ( _
    ByVal hGroup 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

CloseClusterGroup = ctypes.windll.clusapi.CloseClusterGroup
CloseClusterGroup.restype = wintypes.BOOL
CloseClusterGroup.argtypes = [
    ctypes.c_ssize_t,  # hGroup : HGROUP
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
CloseClusterGroup = Fiddle::Function.new(
  lib['CloseClusterGroup'],
  [
    Fiddle::TYPE_INTPTR_T,  # hGroup : HGROUP
  ],
  Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn CloseClusterGroup(
        hGroup: isize  // HGROUP
    ) -> 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 CloseClusterGroup(IntPtr hGroup);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_CloseClusterGroup' -Namespace Win32 -PassThru
# $api::CloseClusterGroup(hGroup)

#uselib "CLUSAPI.dll"
#func global CloseClusterGroup "CloseClusterGroup" sptr
; CloseClusterGroup hGroup   ; 戻り値は stat
; hGroup : HGROUP -> "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 CloseClusterGroup "CloseClusterGroup" sptr
; res = CloseClusterGroup(hGroup)
; hGroup : HGROUP -> "sptr"

; BOOL CloseClusterGroup(HGROUP hGroup)
#uselib "CLUSAPI.dll"
#cfunc global CloseClusterGroup "CloseClusterGroup" intptr
; res = CloseClusterGroup(hGroup)
; hGroup : HGROUP -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procCloseClusterGroup = clusapi.NewProc("CloseClusterGroup")
)

// hGroup (HGROUP)
r1, _, err := procCloseClusterGroup.Call(
	uintptr(hGroup),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CloseClusterGroup(
  hGroup: NativeInt   // HGROUP
): BOOL; stdcall;
  external 'CLUSAPI.dll' name 'CloseClusterGroup';

result := DllCall("CLUSAPI\CloseClusterGroup"
    , "Ptr", hGroup   ; HGROUP
    , "Int")   ; return: BOOL

●CloseClusterGroup(hGroup) = DLL("CLUSAPI.dll", "bool CloseClusterGroup(int)")
# 呼び出し: CloseClusterGroup(hGroup)
# hGroup : HGROUP -> "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)。