WsAsyncExecute

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

HRESULT WsAsyncExecute(
    WS_ASYNC_STATE* asyncState,
    WS_ASYNC_FUNCTION operation,
    WS_CALLBACK_MODEL callbackModel,
    void* callbackState,   // optional
    const WS_ASYNC_CONTEXT* asyncContext,   // optional
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsAsyncExecute(
    asyncState As IntPtr,   ' WS_ASYNC_STATE*
    operation As IntPtr,   ' WS_ASYNC_FUNCTION
    callbackModel As Integer,   ' WS_CALLBACK_MODEL
    callbackState As IntPtr,   ' void* optional
    asyncContext As IntPtr,   ' WS_ASYNC_CONTEXT* optional
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' asyncState : WS_ASYNC_STATE*
' operation : WS_ASYNC_FUNCTION
' callbackModel : WS_CALLBACK_MODEL
' callbackState : void* optional
' asyncContext : WS_ASYNC_CONTEXT* optional
' error : WS_ERROR* optional
Declare PtrSafe Function WsAsyncExecute Lib "webservices" ( _
    ByVal asyncState As LongPtr, _
    ByVal operation As LongPtr, _
    ByVal callbackModel As Long, _
    ByVal callbackState As LongPtr, _
    ByVal asyncContext As LongPtr, _
    ByVal error 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

WsAsyncExecute = ctypes.windll.webservices.WsAsyncExecute
WsAsyncExecute.restype = ctypes.c_int
WsAsyncExecute.argtypes = [
    ctypes.c_void_p,  # asyncState : WS_ASYNC_STATE*
    ctypes.c_void_p,  # operation : WS_ASYNC_FUNCTION
    ctypes.c_int,  # callbackModel : WS_CALLBACK_MODEL
    ctypes.POINTER(None),  # callbackState : void* optional
    ctypes.c_void_p,  # asyncContext : WS_ASYNC_CONTEXT* optional
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsAsyncExecute = Fiddle::Function.new(
  lib['WsAsyncExecute'],
  [
    Fiddle::TYPE_VOIDP,  # asyncState : WS_ASYNC_STATE*
    Fiddle::TYPE_VOIDP,  # operation : WS_ASYNC_FUNCTION
    Fiddle::TYPE_INT,  # callbackModel : WS_CALLBACK_MODEL
    Fiddle::TYPE_VOIDP,  # callbackState : void* optional
    Fiddle::TYPE_VOIDP,  # asyncContext : WS_ASYNC_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsAsyncExecute(
        asyncState: *mut WS_ASYNC_STATE,  // WS_ASYNC_STATE*
        operation: *const core::ffi::c_void,  // WS_ASYNC_FUNCTION
        callbackModel: i32,  // WS_CALLBACK_MODEL
        callbackState: *mut (),  // void* optional
        asyncContext: *const WS_ASYNC_CONTEXT,  // WS_ASYNC_CONTEXT* optional
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsAsyncExecute(IntPtr asyncState, IntPtr operation, int callbackModel, IntPtr callbackState, IntPtr asyncContext, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsAsyncExecute' -Namespace Win32 -PassThru
# $api::WsAsyncExecute(asyncState, operation, callbackModel, callbackState, asyncContext, error)

#uselib "webservices.dll"
#func global WsAsyncExecute "WsAsyncExecute" sptr, sptr, sptr, sptr, sptr, sptr
; WsAsyncExecute varptr(asyncState), operation, callbackModel, callbackState, varptr(asyncContext), error   ; 戻り値は stat
; asyncState : WS_ASYNC_STATE* -> "sptr"
; operation : WS_ASYNC_FUNCTION -> "sptr"
; callbackModel : WS_CALLBACK_MODEL -> "sptr"
; callbackState : void* optional -> "sptr"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "sptr"
; error : WS_ERROR* 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 "webservices.dll"
#cfunc global WsAsyncExecute "WsAsyncExecute" var, sptr, int, sptr, var, int
; res = WsAsyncExecute(asyncState, operation, callbackModel, callbackState, asyncContext, error)
; asyncState : WS_ASYNC_STATE* -> "var"
; operation : WS_ASYNC_FUNCTION -> "sptr"
; callbackModel : WS_CALLBACK_MODEL -> "int"
; callbackState : void* optional -> "sptr"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "var"
; error : WS_ERROR* optional -> "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。

; HRESULT WsAsyncExecute(WS_ASYNC_STATE* asyncState, WS_ASYNC_FUNCTION operation, WS_CALLBACK_MODEL callbackModel, void* callbackState, WS_ASYNC_CONTEXT* asyncContext, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsAsyncExecute "WsAsyncExecute" var, intptr, int, intptr, var, int
; res = WsAsyncExecute(asyncState, operation, callbackModel, callbackState, asyncContext, error)
; asyncState : WS_ASYNC_STATE* -> "var"
; operation : WS_ASYNC_FUNCTION -> "intptr"
; callbackModel : WS_CALLBACK_MODEL -> "int"
; callbackState : void* optional -> "intptr"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "var"
; error : WS_ERROR* optional -> "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 (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsAsyncExecute = webservices.NewProc("WsAsyncExecute")
)

// asyncState (WS_ASYNC_STATE*), operation (WS_ASYNC_FUNCTION), callbackModel (WS_CALLBACK_MODEL), callbackState (void* optional), asyncContext (WS_ASYNC_CONTEXT* optional), error (WS_ERROR* optional)
r1, _, err := procWsAsyncExecute.Call(
	uintptr(asyncState),
	uintptr(operation),
	uintptr(callbackModel),
	uintptr(callbackState),
	uintptr(asyncContext),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsAsyncExecute(
  asyncState: Pointer;   // WS_ASYNC_STATE*
  operation: Pointer;   // WS_ASYNC_FUNCTION
  callbackModel: Integer;   // WS_CALLBACK_MODEL
  callbackState: Pointer;   // void* optional
  asyncContext: Pointer;   // WS_ASYNC_CONTEXT* optional
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsAsyncExecute';

result := DllCall("webservices\WsAsyncExecute"
    , "Ptr", asyncState   ; WS_ASYNC_STATE*
    , "Ptr", operation   ; WS_ASYNC_FUNCTION
    , "Int", callbackModel   ; WS_CALLBACK_MODEL
    , "Ptr", callbackState   ; void* optional
    , "Ptr", asyncContext   ; WS_ASYNC_CONTEXT* optional
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsAsyncExecute(asyncState, operation, callbackModel, callbackState, asyncContext, error) = DLL("webservices.dll", "int WsAsyncExecute(void*, void*, int, void*, void*, void*)")
# 呼び出し: WsAsyncExecute(asyncState, operation, callbackModel, callbackState, asyncContext, error)
# asyncState : WS_ASYNC_STATE* -> "void*"
# operation : WS_ASYNC_FUNCTION -> "void*"
# callbackModel : WS_CALLBACK_MODEL -> "int"
# callbackState : void* optional -> "void*"
# asyncContext : WS_ASYNC_CONTEXT* optional -> "void*"
# error : WS_ERROR* optional -> "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)。