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MQGetOverlappedResult

関数

非同期受信操作の結果を取得する。

DLLmqrt.dll呼出規約winapi

シグネチャ

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

HRESULT MQGetOverlappedResult(
    OVERLAPPED* lpOverlapped
);

パラメーター

名前	型	方向
lpOverlapped	OVERLAPPED*	in

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT MQGetOverlappedResult(
    OVERLAPPED* lpOverlapped
);

[DllImport("mqrt.dll", ExactSpelling = true)]
static extern int MQGetOverlappedResult(
    IntPtr lpOverlapped   // OVERLAPPED*
);

<DllImport("mqrt.dll", ExactSpelling:=True)>
Public Shared Function MQGetOverlappedResult(
    lpOverlapped As IntPtr   ' OVERLAPPED*
) As Integer
End Function

' lpOverlapped : OVERLAPPED*
Declare PtrSafe Function MQGetOverlappedResult Lib "mqrt" ( _
    ByVal lpOverlapped 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

MQGetOverlappedResult = ctypes.windll.mqrt.MQGetOverlappedResult
MQGetOverlappedResult.restype = ctypes.c_int
MQGetOverlappedResult.argtypes = [
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mqrt.dll')
MQGetOverlappedResult = Fiddle::Function.new(
  lib['MQGetOverlappedResult'],
  [
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED*
  ],
  Fiddle::TYPE_INT)

#[link(name = "mqrt")]
extern "system" {
    fn MQGetOverlappedResult(
        lpOverlapped: *mut OVERLAPPED  // OVERLAPPED*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mqrt.dll")]
public static extern int MQGetOverlappedResult(IntPtr lpOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mqrt_MQGetOverlappedResult' -Namespace Win32 -PassThru
# $api::MQGetOverlappedResult(lpOverlapped)

#uselib "mqrt.dll"
#func global MQGetOverlappedResult "MQGetOverlappedResult" sptr
; MQGetOverlappedResult varptr(lpOverlapped)   ; 戻り値は stat
; lpOverlapped : OVERLAPPED* -> "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。

出力引数:

#uselib "mqrt.dll"
#cfunc global MQGetOverlappedResult "MQGetOverlappedResult" var
; res = MQGetOverlappedResult(lpOverlapped)
; lpOverlapped : OVERLAPPED* -> "var"
; ※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。#uselib "mqrt.dll"
#cfunc global MQGetOverlappedResult "MQGetOverlappedResult" sptr
; res = MQGetOverlappedResult(varptr(lpOverlapped))
; lpOverlapped : OVERLAPPED* -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT MQGetOverlappedResult(OVERLAPPED* lpOverlapped)
#uselib "mqrt.dll"
#cfunc global MQGetOverlappedResult "MQGetOverlappedResult" var
; res = MQGetOverlappedResult(lpOverlapped)
; lpOverlapped : OVERLAPPED* -> "var"
; ※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 MQGetOverlappedResult(OVERLAPPED* lpOverlapped)
#uselib "mqrt.dll"
#cfunc global MQGetOverlappedResult "MQGetOverlappedResult" intptr
; res = MQGetOverlappedResult(varptr(lpOverlapped))
; lpOverlapped : OVERLAPPED* -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	mqrt = windows.NewLazySystemDLL("mqrt.dll")
	procMQGetOverlappedResult = mqrt.NewProc("MQGetOverlappedResult")
)

// lpOverlapped (OVERLAPPED*)
r1, _, err := procMQGetOverlappedResult.Call(
	uintptr(lpOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MQGetOverlappedResult(
  lpOverlapped: Pointer   // OVERLAPPED*
): Integer; stdcall;
  external 'mqrt.dll' name 'MQGetOverlappedResult';

result := DllCall("mqrt\MQGetOverlappedResult"
    , "Ptr", lpOverlapped   ; OVERLAPPED*
    , "Int")   ; return: HRESULT

●MQGetOverlappedResult(lpOverlapped) = DLL("mqrt.dll", "int MQGetOverlappedResult(void*)")
# 呼び出し: MQGetOverlappedResult(lpOverlapped)
# lpOverlapped : OVERLAPPED* -> "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)。