RpcAsyncCancelCall

// RPCRT4.dll
#include <windows.h>

RPC_STATUS RpcAsyncCancelCall(
    RPC_ASYNC_STATE* pAsync,
    BOOL fAbort
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcAsyncCancelCall(
    pAsync As IntPtr,   ' RPC_ASYNC_STATE* in/out
    fAbort As Boolean   ' BOOL
) As Integer
End Function

' pAsync : RPC_ASYNC_STATE* in/out
' fAbort : BOOL
Declare PtrSafe Function RpcAsyncCancelCall Lib "rpcrt4" ( _
    ByVal pAsync As LongPtr, _
    ByVal fAbort 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

RpcAsyncCancelCall = ctypes.windll.rpcrt4.RpcAsyncCancelCall
RpcAsyncCancelCall.restype = ctypes.c_int
RpcAsyncCancelCall.argtypes = [
    ctypes.c_void_p,  # pAsync : RPC_ASYNC_STATE* in/out
    wintypes.BOOL,  # fAbort : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcAsyncCancelCall = Fiddle::Function.new(
  lib['RpcAsyncCancelCall'],
  [
    Fiddle::TYPE_VOIDP,  # pAsync : RPC_ASYNC_STATE* in/out
    Fiddle::TYPE_INT,  # fAbort : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcAsyncCancelCall(
        pAsync: *mut RPC_ASYNC_STATE,  // RPC_ASYNC_STATE* in/out
        fAbort: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcAsyncCancelCall(IntPtr pAsync, bool fAbort);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcAsyncCancelCall' -Namespace Win32 -PassThru
# $api::RpcAsyncCancelCall(pAsync, fAbort)

#uselib "RPCRT4.dll"
#func global RpcAsyncCancelCall "RpcAsyncCancelCall" sptr, sptr
; RpcAsyncCancelCall varptr(pAsync), fAbort   ; 戻り値は stat
; pAsync : RPC_ASYNC_STATE* in/out -> "sptr"
; fAbort : BOOL -> "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 "RPCRT4.dll"
#cfunc global RpcAsyncCancelCall "RpcAsyncCancelCall" var, int
; res = RpcAsyncCancelCall(pAsync, fAbort)
; pAsync : RPC_ASYNC_STATE* in/out -> "var"
; fAbort : BOOL -> "int"
; ※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。

; RPC_STATUS RpcAsyncCancelCall(RPC_ASYNC_STATE* pAsync, BOOL fAbort)
#uselib "RPCRT4.dll"
#cfunc global RpcAsyncCancelCall "RpcAsyncCancelCall" var, int
; res = RpcAsyncCancelCall(pAsync, fAbort)
; pAsync : RPC_ASYNC_STATE* in/out -> "var"
; fAbort : BOOL -> "int"
; ※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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcAsyncCancelCall = rpcrt4.NewProc("RpcAsyncCancelCall")
)

// pAsync (RPC_ASYNC_STATE* in/out), fAbort (BOOL)
r1, _, err := procRpcAsyncCancelCall.Call(
	uintptr(pAsync),
	uintptr(fAbort),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcAsyncCancelCall(
  pAsync: Pointer;   // RPC_ASYNC_STATE* in/out
  fAbort: BOOL   // BOOL
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcAsyncCancelCall';

result := DllCall("RPCRT4\RpcAsyncCancelCall"
    , "Ptr", pAsync   ; RPC_ASYNC_STATE* in/out
    , "Int", fAbort   ; BOOL
    , "Int")   ; return: RPC_STATUS

●RpcAsyncCancelCall(pAsync, fAbort) = DLL("RPCRT4.dll", "int RpcAsyncCancelCall(void*, bool)")
# 呼び出し: RpcAsyncCancelCall(pAsync, fAbort)
# pAsync : RPC_ASYNC_STATE* in/out -> "void*"
# fAbort : BOOL -> "bool"
# 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)。