Win32 API 日本語リファレンス
ホームDevices.AllJoyn › alljoyn_busattachment_joinsessionasync

alljoyn_busattachment_joinsessionasync

関数
指定ホストのセッションに非同期で参加しコールバックで結果を返す。
DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

QStatus alljoyn_busattachment_joinsessionasync(
    alljoyn_busattachment bus,
    LPCSTR sessionHost,
    WORD sessionPort,
    alljoyn_sessionlistener listener,
    alljoyn_sessionopts opts,
    alljoyn_busattachment_joinsessioncb_ptr callback,
    void* context
);

パラメーター

名前方向説明
busalljoyn_busattachmentin操作対象のバスアタッチメントハンドル。AllJoyn接続を表す。
sessionHostLPCSTRin参加先セッションをホストするバス名。ASCII文字列で指定する。
sessionPortWORDin接続先セッションのポート番号。ホストがバインドした値を指定する。
listeneralljoyn_sessionlistenerinセッションイベントを受け取るリスナハンドル。NULL可。
optsalljoyn_sessionoptsin要求するセッションオプションのハンドル。トラフィック種別等を指定する。
callbackalljoyn_busattachment_joinsessioncb_ptrin参加完了時に呼ばれるコールバック関数ポインタ。
contextvoid*inoutコールバックに渡されるユーザー定義のコンテキストポインタ。NULL可。

戻り値の型: QStatus

各言語での呼び出し定義

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

QStatus alljoyn_busattachment_joinsessionasync(
    alljoyn_busattachment bus,
    LPCSTR sessionHost,
    WORD sessionPort,
    alljoyn_sessionlistener listener,
    alljoyn_sessionopts opts,
    alljoyn_busattachment_joinsessioncb_ptr callback,
    void* context
);
[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern int alljoyn_busattachment_joinsessionasync(
    IntPtr bus,   // alljoyn_busattachment
    [MarshalAs(UnmanagedType.LPStr)] string sessionHost,   // LPCSTR
    ushort sessionPort,   // WORD
    IntPtr listener,   // alljoyn_sessionlistener
    IntPtr opts,   // alljoyn_sessionopts
    IntPtr callback,   // alljoyn_busattachment_joinsessioncb_ptr
    IntPtr context   // void* in/out
);
<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_busattachment_joinsessionasync(
    bus As IntPtr,   ' alljoyn_busattachment
    <MarshalAs(UnmanagedType.LPStr)> sessionHost As String,   ' LPCSTR
    sessionPort As UShort,   ' WORD
    listener As IntPtr,   ' alljoyn_sessionlistener
    opts As IntPtr,   ' alljoyn_sessionopts
    callback As IntPtr,   ' alljoyn_busattachment_joinsessioncb_ptr
    context As IntPtr   ' void* in/out
) As Integer
End Function
' bus : alljoyn_busattachment
' sessionHost : LPCSTR
' sessionPort : WORD
' listener : alljoyn_sessionlistener
' opts : alljoyn_sessionopts
' callback : alljoyn_busattachment_joinsessioncb_ptr
' context : void* in/out
Declare PtrSafe Function alljoyn_busattachment_joinsessionasync Lib "msajapi" ( _
    ByVal bus As LongPtr, _
    ByVal sessionHost As String, _
    ByVal sessionPort As Integer, _
    ByVal listener As LongPtr, _
    ByVal opts As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal context 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

alljoyn_busattachment_joinsessionasync = ctypes.windll.msajapi.alljoyn_busattachment_joinsessionasync
alljoyn_busattachment_joinsessionasync.restype = ctypes.c_int
alljoyn_busattachment_joinsessionasync.argtypes = [
    ctypes.c_ssize_t,  # bus : alljoyn_busattachment
    wintypes.LPCSTR,  # sessionHost : LPCSTR
    ctypes.c_ushort,  # sessionPort : WORD
    ctypes.c_ssize_t,  # listener : alljoyn_sessionlistener
    ctypes.c_ssize_t,  # opts : alljoyn_sessionopts
    ctypes.c_void_p,  # callback : alljoyn_busattachment_joinsessioncb_ptr
    ctypes.POINTER(None),  # context : void* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_busattachment_joinsessionasync = Fiddle::Function.new(
  lib['alljoyn_busattachment_joinsessionasync'],
  [
    Fiddle::TYPE_INTPTR_T,  # bus : alljoyn_busattachment
    Fiddle::TYPE_VOIDP,  # sessionHost : LPCSTR
    -Fiddle::TYPE_SHORT,  # sessionPort : WORD
    Fiddle::TYPE_INTPTR_T,  # listener : alljoyn_sessionlistener
    Fiddle::TYPE_INTPTR_T,  # opts : alljoyn_sessionopts
    Fiddle::TYPE_VOIDP,  # callback : alljoyn_busattachment_joinsessioncb_ptr
    Fiddle::TYPE_VOIDP,  # context : void* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_busattachment_joinsessionasync(
        bus: isize,  // alljoyn_busattachment
        sessionHost: *const u8,  // LPCSTR
        sessionPort: u16,  // WORD
        listener: isize,  // alljoyn_sessionlistener
        opts: isize,  // alljoyn_sessionopts
        callback: *const core::ffi::c_void,  // alljoyn_busattachment_joinsessioncb_ptr
        context: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_busattachment_joinsessionasync(IntPtr bus, [MarshalAs(UnmanagedType.LPStr)] string sessionHost, ushort sessionPort, IntPtr listener, IntPtr opts, IntPtr callback, IntPtr context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_busattachment_joinsessionasync' -Namespace Win32 -PassThru
# $api::alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
#uselib "MSAJApi.dll"
#func global alljoyn_busattachment_joinsessionasync "alljoyn_busattachment_joinsessionasync" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; alljoyn_busattachment_joinsessionasync bus, sessionHost, sessionPort, listener, opts, callback, context   ; 戻り値は stat
; bus : alljoyn_busattachment -> "sptr"
; sessionHost : LPCSTR -> "sptr"
; sessionPort : WORD -> "sptr"
; listener : alljoyn_sessionlistener -> "sptr"
; opts : alljoyn_sessionopts -> "sptr"
; callback : alljoyn_busattachment_joinsessioncb_ptr -> "sptr"
; context : void* in/out -> "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 "MSAJApi.dll"
#cfunc global alljoyn_busattachment_joinsessionasync "alljoyn_busattachment_joinsessionasync" sptr, str, int, sptr, sptr, sptr, sptr
; res = alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
; bus : alljoyn_busattachment -> "sptr"
; sessionHost : LPCSTR -> "str"
; sessionPort : WORD -> "int"
; listener : alljoyn_sessionlistener -> "sptr"
; opts : alljoyn_sessionopts -> "sptr"
; callback : alljoyn_busattachment_joinsessioncb_ptr -> "sptr"
; context : void* in/out -> "sptr"
; QStatus alljoyn_busattachment_joinsessionasync(alljoyn_busattachment bus, LPCSTR sessionHost, WORD sessionPort, alljoyn_sessionlistener listener, alljoyn_sessionopts opts, alljoyn_busattachment_joinsessioncb_ptr callback, void* context)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_busattachment_joinsessionasync "alljoyn_busattachment_joinsessionasync" intptr, str, int, intptr, intptr, intptr, intptr
; res = alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
; bus : alljoyn_busattachment -> "intptr"
; sessionHost : LPCSTR -> "str"
; sessionPort : WORD -> "int"
; listener : alljoyn_sessionlistener -> "intptr"
; opts : alljoyn_sessionopts -> "intptr"
; callback : alljoyn_busattachment_joinsessioncb_ptr -> "intptr"
; context : void* in/out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_busattachment_joinsessionasync = msajapi.NewProc("alljoyn_busattachment_joinsessionasync")
)

// bus (alljoyn_busattachment), sessionHost (LPCSTR), sessionPort (WORD), listener (alljoyn_sessionlistener), opts (alljoyn_sessionopts), callback (alljoyn_busattachment_joinsessioncb_ptr), context (void* in/out)
r1, _, err := procalljoyn_busattachment_joinsessionasync.Call(
	uintptr(bus),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(sessionHost))),
	uintptr(sessionPort),
	uintptr(listener),
	uintptr(opts),
	uintptr(callback),
	uintptr(context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus
function alljoyn_busattachment_joinsessionasync(
  bus: NativeInt;   // alljoyn_busattachment
  sessionHost: PAnsiChar;   // LPCSTR
  sessionPort: Word;   // WORD
  listener: NativeInt;   // alljoyn_sessionlistener
  opts: NativeInt;   // alljoyn_sessionopts
  callback: Pointer;   // alljoyn_busattachment_joinsessioncb_ptr
  context: Pointer   // void* in/out
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_busattachment_joinsessionasync';
result := DllCall("MSAJApi\alljoyn_busattachment_joinsessionasync"
    , "Ptr", bus   ; alljoyn_busattachment
    , "AStr", sessionHost   ; LPCSTR
    , "UShort", sessionPort   ; WORD
    , "Ptr", listener   ; alljoyn_sessionlistener
    , "Ptr", opts   ; alljoyn_sessionopts
    , "Ptr", callback   ; alljoyn_busattachment_joinsessioncb_ptr
    , "Ptr", context   ; void* in/out
    , "Int")   ; return: QStatus
●alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context) = DLL("MSAJApi.dll", "int alljoyn_busattachment_joinsessionasync(int, char*, int, int, int, void*, void*)")
# 呼び出し: alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
# bus : alljoyn_busattachment -> "int"
# sessionHost : LPCSTR -> "char*"
# sessionPort : WORD -> "int"
# listener : alljoyn_sessionlistener -> "int"
# opts : alljoyn_sessionopts -> "int"
# callback : alljoyn_busattachment_joinsessioncb_ptr -> "void*"
# context : void* in/out -> "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)。
const std = @import("std");

extern "msajapi" fn alljoyn_busattachment_joinsessionasync(
    bus: isize, // alljoyn_busattachment
    sessionHost: [*c]const u8, // LPCSTR
    sessionPort: u16, // WORD
    listener: isize, // alljoyn_sessionlistener
    opts: isize, // alljoyn_sessionopts
    callback: ?*anyopaque, // alljoyn_busattachment_joinsessioncb_ptr
    context: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) i32;
proc alljoyn_busattachment_joinsessionasync(
    bus: int,  # alljoyn_busattachment
    sessionHost: cstring,  # LPCSTR
    sessionPort: uint16,  # WORD
    listener: int,  # alljoyn_sessionlistener
    opts: int,  # alljoyn_sessionopts
    callback: pointer,  # alljoyn_busattachment_joinsessioncb_ptr
    context: pointer  # void* in/out
): int32 {.importc: "alljoyn_busattachment_joinsessionasync", stdcall, dynlib: "MSAJApi.dll".}
pragma(lib, "msajapi");
extern(Windows)
int alljoyn_busattachment_joinsessionasync(
    ptrdiff_t bus,   // alljoyn_busattachment
    const(char)* sessionHost,   // LPCSTR
    ushort sessionPort,   // WORD
    ptrdiff_t listener,   // alljoyn_sessionlistener
    ptrdiff_t opts,   // alljoyn_sessionopts
    void* callback,   // alljoyn_busattachment_joinsessioncb_ptr
    void* context   // void* in/out
);
ccall((:alljoyn_busattachment_joinsessionasync, "MSAJApi.dll"), stdcall, Int32,
      (Int, Cstring, UInt16, Int, Int, Ptr{Cvoid}, Ptr{Cvoid}),
      bus, sessionHost, sessionPort, listener, opts, callback, context)
# bus : alljoyn_busattachment -> Int
# sessionHost : LPCSTR -> Cstring
# sessionPort : WORD -> UInt16
# listener : alljoyn_sessionlistener -> Int
# opts : alljoyn_sessionopts -> Int
# callback : alljoyn_busattachment_joinsessioncb_ptr -> Ptr{Cvoid}
# context : void* in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t alljoyn_busattachment_joinsessionasync(
    intptr_t bus,
    const char* sessionHost,
    uint16_t sessionPort,
    intptr_t listener,
    intptr_t opts,
    void* callback,
    void* context);
]]
local msajapi = ffi.load("msajapi")
-- msajapi.alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
-- bus : alljoyn_busattachment
-- sessionHost : LPCSTR
-- sessionPort : WORD
-- listener : alljoyn_sessionlistener
-- opts : alljoyn_sessionopts
-- callback : alljoyn_busattachment_joinsessioncb_ptr
-- context : void* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('MSAJApi.dll');
const alljoyn_busattachment_joinsessionasync = lib.func('__stdcall', 'alljoyn_busattachment_joinsessionasync', 'int32_t', ['intptr_t', 'str', 'uint16_t', 'intptr_t', 'intptr_t', 'void *', 'void *']);
// alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
// bus : alljoyn_busattachment -> 'intptr_t'
// sessionHost : LPCSTR -> 'str'
// sessionPort : WORD -> 'uint16_t'
// listener : alljoyn_sessionlistener -> 'intptr_t'
// opts : alljoyn_sessionopts -> 'intptr_t'
// callback : alljoyn_busattachment_joinsessioncb_ptr -> 'void *'
// context : void* in/out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。
const lib = Deno.dlopen("MSAJApi.dll", {
  alljoyn_busattachment_joinsessionasync: { parameters: ["isize", "buffer", "u16", "isize", "isize", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context)
// bus : alljoyn_busattachment -> "isize"
// sessionHost : LPCSTR -> "buffer"
// sessionPort : WORD -> "u16"
// listener : alljoyn_sessionlistener -> "isize"
// opts : alljoyn_sessionopts -> "isize"
// callback : alljoyn_busattachment_joinsessioncb_ptr -> "pointer"
// context : void* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t alljoyn_busattachment_joinsessionasync(
    intptr_t bus,
    const char* sessionHost,
    uint16_t sessionPort,
    intptr_t listener,
    intptr_t opts,
    void* callback,
    void* context);
C, "MSAJApi.dll");
// $ffi->alljoyn_busattachment_joinsessionasync(bus, sessionHost, sessionPort, listener, opts, callback, context);
// bus : alljoyn_busattachment
// sessionHost : LPCSTR
// sessionPort : WORD
// listener : alljoyn_sessionlistener
// opts : alljoyn_sessionopts
// callback : alljoyn_busattachment_joinsessioncb_ptr
// context : void* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Msajapi extends StdCallLibrary {
    Msajapi INSTANCE = Native.load("msajapi", Msajapi.class);
    int alljoyn_busattachment_joinsessionasync(
        long bus,   // alljoyn_busattachment
        String sessionHost,   // LPCSTR
        short sessionPort,   // WORD
        long listener,   // alljoyn_sessionlistener
        long opts,   // alljoyn_sessionopts
        Callback callback,   // alljoyn_busattachment_joinsessioncb_ptr
        Pointer context   // void* in/out
    );
}
@[Link("msajapi")]
lib LibMSAJApi
  fun alljoyn_busattachment_joinsessionasync = alljoyn_busattachment_joinsessionasync(
    bus : LibC::SSizeT,   # alljoyn_busattachment
    sessionHost : UInt8*,   # LPCSTR
    sessionPort : UInt16,   # WORD
    listener : LibC::SSizeT,   # alljoyn_sessionlistener
    opts : LibC::SSizeT,   # alljoyn_sessionopts
    callback : Void*,   # alljoyn_busattachment_joinsessioncb_ptr
    context : Void*   # void* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef alljoyn_busattachment_joinsessionasyncNative = Int32 Function(IntPtr, Pointer<Utf8>, Uint16, IntPtr, IntPtr, Pointer<Void>, Pointer<Void>);
typedef alljoyn_busattachment_joinsessionasyncDart = int Function(int, Pointer<Utf8>, int, int, int, Pointer<Void>, Pointer<Void>);
final alljoyn_busattachment_joinsessionasync = DynamicLibrary.open('MSAJApi.dll')
    .lookupFunction<alljoyn_busattachment_joinsessionasyncNative, alljoyn_busattachment_joinsessionasyncDart>('alljoyn_busattachment_joinsessionasync');
// bus : alljoyn_busattachment -> IntPtr
// sessionHost : LPCSTR -> Pointer<Utf8>
// sessionPort : WORD -> Uint16
// listener : alljoyn_sessionlistener -> IntPtr
// opts : alljoyn_sessionopts -> IntPtr
// callback : alljoyn_busattachment_joinsessioncb_ptr -> Pointer<Void>
// context : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function alljoyn_busattachment_joinsessionasync(
  bus: NativeInt;   // alljoyn_busattachment
  sessionHost: PAnsiChar;   // LPCSTR
  sessionPort: Word;   // WORD
  listener: NativeInt;   // alljoyn_sessionlistener
  opts: NativeInt;   // alljoyn_sessionopts
  callback: Pointer;   // alljoyn_busattachment_joinsessioncb_ptr
  context: Pointer   // void* in/out
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_busattachment_joinsessionasync';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "alljoyn_busattachment_joinsessionasync"
  c_alljoyn_busattachment_joinsessionasync :: CIntPtr -> CString -> Word16 -> CIntPtr -> CIntPtr -> Ptr () -> Ptr () -> IO Int32
-- bus : alljoyn_busattachment -> CIntPtr
-- sessionHost : LPCSTR -> CString
-- sessionPort : WORD -> Word16
-- listener : alljoyn_sessionlistener -> CIntPtr
-- opts : alljoyn_sessionopts -> CIntPtr
-- callback : alljoyn_busattachment_joinsessioncb_ptr -> Ptr ()
-- context : void* in/out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let alljoyn_busattachment_joinsessionasync =
  foreign "alljoyn_busattachment_joinsessionasync"
    (intptr_t @-> string @-> uint16_t @-> intptr_t @-> intptr_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* bus : alljoyn_busattachment -> intptr_t *)
(* sessionHost : LPCSTR -> string *)
(* sessionPort : WORD -> uint16_t *)
(* listener : alljoyn_sessionlistener -> intptr_t *)
(* opts : alljoyn_sessionopts -> intptr_t *)
(* callback : alljoyn_busattachment_joinsessioncb_ptr -> (ptr void) *)
(* context : void* in/out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library msajapi (t "MSAJApi.dll"))
(cffi:use-foreign-library msajapi)

(cffi:defcfun ("alljoyn_busattachment_joinsessionasync" alljoyn-busattachment-joinsessionasync :convention :stdcall) :int32
  (bus :int64)   ; alljoyn_busattachment
  (session-host :string)   ; LPCSTR
  (session-port :uint16)   ; WORD
  (listener :int64)   ; alljoyn_sessionlistener
  (opts :int64)   ; alljoyn_sessionopts
  (callback :pointer)   ; alljoyn_busattachment_joinsessioncb_ptr
  (context :pointer))   ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $alljoyn_busattachment_joinsessionasync = Win32::API::More->new('MSAJApi',
    'int alljoyn_busattachment_joinsessionasync(LPARAM bus, LPCSTR sessionHost, WORD sessionPort, LPARAM listener, LPARAM opts, LPVOID callback, LPVOID context)');
# my $ret = $alljoyn_busattachment_joinsessionasync->Call($bus, $sessionHost, $sessionPort, $listener, $opts, $callback, $context);
# bus : alljoyn_busattachment -> LPARAM
# sessionHost : LPCSTR -> LPCSTR
# sessionPort : WORD -> WORD
# listener : alljoyn_sessionlistener -> LPARAM
# opts : alljoyn_sessionopts -> LPARAM
# callback : alljoyn_busattachment_joinsessioncb_ptr -> LPVOID
# context : void* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。

関連項目

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