ホーム › Devices.AllJoyn › alljoyn_message_getargs

alljoyn_message_getargs

関数

AllJoynメッセージに含まれる引数の個数と引数配列を取得する。

DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

void alljoyn_message_getargs(
    alljoyn_message msg,
    UINT_PTR* numArgs,
    alljoyn_msgarg* args
);

パラメーター

名前	型	方向	説明
msg	alljoyn_message	in	引数を取得する対象のメッセージハンドル。
numArgs	UINT_PTR*	inout	取得した引数の個数を受け取る出力ポインタ。
args	alljoyn_msgarg*	inout	引数配列の先頭を受け取るメッセージ引数ポインタ。

戻り値の型: void

各言語での呼び出し定義

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

void alljoyn_message_getargs(
    alljoyn_message msg,
    UINT_PTR* numArgs,
    alljoyn_msgarg* args
);

[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern void alljoyn_message_getargs(
    IntPtr msg,   // alljoyn_message
    ref UIntPtr numArgs,   // UINT_PTR* in/out
    ref IntPtr args   // alljoyn_msgarg* in/out
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Sub alljoyn_message_getargs(
    msg As IntPtr,   ' alljoyn_message
    ByRef numArgs As UIntPtr,   ' UINT_PTR* in/out
    ByRef args As IntPtr   ' alljoyn_msgarg* in/out
)
End Sub

' msg : alljoyn_message
' numArgs : UINT_PTR* in/out
' args : alljoyn_msgarg* in/out
Declare PtrSafe Sub alljoyn_message_getargs Lib "msajapi" ( _
    ByVal msg As LongPtr, _
    ByRef numArgs As LongPtr, _
    ByRef args As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

alljoyn_message_getargs = ctypes.windll.msajapi.alljoyn_message_getargs
alljoyn_message_getargs.restype = None
alljoyn_message_getargs.argtypes = [
    ctypes.c_ssize_t,  # msg : alljoyn_message
    ctypes.POINTER(ctypes.c_size_t),  # numArgs : UINT_PTR* in/out
    ctypes.c_void_p,  # args : alljoyn_msgarg* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_message_getargs = Fiddle::Function.new(
  lib['alljoyn_message_getargs'],
  [
    Fiddle::TYPE_INTPTR_T,  # msg : alljoyn_message
    Fiddle::TYPE_VOIDP,  # numArgs : UINT_PTR* in/out
    Fiddle::TYPE_VOIDP,  # args : alljoyn_msgarg* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_message_getargs(
        msg: isize,  // alljoyn_message
        numArgs: *mut usize,  // UINT_PTR* in/out
        args: *mut isize  // alljoyn_msgarg* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern void alljoyn_message_getargs(IntPtr msg, ref UIntPtr numArgs, ref IntPtr args);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_message_getargs' -Namespace Win32 -PassThru
# $api::alljoyn_message_getargs(msg, numArgs, args)

#uselib "MSAJApi.dll"
#func global alljoyn_message_getargs "alljoyn_message_getargs" sptr, sptr, sptr
; alljoyn_message_getargs msg, varptr(numArgs), args
; msg : alljoyn_message -> "sptr"
; numArgs : UINT_PTR* in/out -> "sptr"
; args : alljoyn_msgarg* in/out -> "sptr"

出力引数:

#uselib "MSAJApi.dll"
#func global alljoyn_message_getargs "alljoyn_message_getargs" sptr, var, int
; alljoyn_message_getargs msg, numArgs, args
; msg : alljoyn_message -> "sptr"
; numArgs : UINT_PTR* in/out -> "var"
; args : alljoyn_msgarg* in/out -> "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。#uselib "MSAJApi.dll"
#func global alljoyn_message_getargs "alljoyn_message_getargs" sptr, sptr, int
; alljoyn_message_getargs msg, varptr(numArgs), args
; msg : alljoyn_message -> "sptr"
; numArgs : UINT_PTR* in/out -> "sptr"
; args : alljoyn_msgarg* in/out -> "int"
; ※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:

; void alljoyn_message_getargs(alljoyn_message msg, UINT_PTR* numArgs, alljoyn_msgarg* args)
#uselib "MSAJApi.dll"
#func global alljoyn_message_getargs "alljoyn_message_getargs" intptr, var, int
; alljoyn_message_getargs msg, numArgs, args
; msg : alljoyn_message -> "intptr"
; numArgs : UINT_PTR* in/out -> "var"
; args : alljoyn_msgarg* in/out -> "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。; void alljoyn_message_getargs(alljoyn_message msg, UINT_PTR* numArgs, alljoyn_msgarg* args)
#uselib "MSAJApi.dll"
#func global alljoyn_message_getargs "alljoyn_message_getargs" intptr, intptr, int
; alljoyn_message_getargs msg, varptr(numArgs), args
; msg : alljoyn_message -> "intptr"
; numArgs : UINT_PTR* in/out -> "intptr"
; args : alljoyn_msgarg* in/out -> "int"
; ※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 (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_message_getargs = msajapi.NewProc("alljoyn_message_getargs")
)

// msg (alljoyn_message), numArgs (UINT_PTR* in/out), args (alljoyn_msgarg* in/out)
r1, _, err := procalljoyn_message_getargs.Call(
	uintptr(msg),
	uintptr(numArgs),
	uintptr(args),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure alljoyn_message_getargs(
  msg: NativeInt;   // alljoyn_message
  numArgs: Pointer;   // UINT_PTR* in/out
  args: Pointer   // alljoyn_msgarg* in/out
); stdcall;
  external 'MSAJApi.dll' name 'alljoyn_message_getargs';

result := DllCall("MSAJApi\alljoyn_message_getargs"
    , "Ptr", msg   ; alljoyn_message
    , "Ptr", numArgs   ; UINT_PTR* in/out
    , "Ptr", args   ; alljoyn_msgarg* in/out
    , "Int")   ; return: void

●alljoyn_message_getargs(msg, numArgs, args) = DLL("MSAJApi.dll", "int alljoyn_message_getargs(int, void*, void*)")
# 呼び出し: alljoyn_message_getargs(msg, numArgs, args)
# msg : alljoyn_message -> "int"
# numArgs : UINT_PTR* in/out -> "void*"
# args : alljoyn_msgarg* 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)。