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alljoyn_msgarg_get_array_elementsignature

関数

メッセージ引数配列の指定要素のシグネチャを取得する。

DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

LPSTR alljoyn_msgarg_get_array_elementsignature(
    alljoyn_msgarg arg,
    UINT_PTR index
);

パラメーター

名前	型	方向	説明
arg	alljoyn_msgarg	in	配列型を保持する対象のメッセージ引数ハンドル。
index	UINT_PTR	in	署名を取得する要素の0始まりのインデックス。

戻り値の型: LPSTR

各言語での呼び出し定義

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

LPSTR alljoyn_msgarg_get_array_elementsignature(
    alljoyn_msgarg arg,
    UINT_PTR index
);

[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern IntPtr alljoyn_msgarg_get_array_elementsignature(
    IntPtr arg,   // alljoyn_msgarg
    UIntPtr index   // UINT_PTR
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_msgarg_get_array_elementsignature(
    arg As IntPtr,   ' alljoyn_msgarg
    index As UIntPtr   ' UINT_PTR
) As IntPtr
End Function

' arg : alljoyn_msgarg
' index : UINT_PTR
Declare PtrSafe Function alljoyn_msgarg_get_array_elementsignature Lib "msajapi" ( _
    ByVal arg As LongPtr, _
    ByVal index As LongPtr) 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_msgarg_get_array_elementsignature = ctypes.windll.msajapi.alljoyn_msgarg_get_array_elementsignature
alljoyn_msgarg_get_array_elementsignature.restype = wintypes.LPSTR
alljoyn_msgarg_get_array_elementsignature.argtypes = [
    ctypes.c_ssize_t,  # arg : alljoyn_msgarg
    ctypes.c_size_t,  # index : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_msgarg_get_array_elementsignature = Fiddle::Function.new(
  lib['alljoyn_msgarg_get_array_elementsignature'],
  [
    Fiddle::TYPE_INTPTR_T,  # arg : alljoyn_msgarg
    Fiddle::TYPE_UINTPTR_T,  # index : UINT_PTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_msgarg_get_array_elementsignature(
        arg: isize,  // alljoyn_msgarg
        index: usize  // UINT_PTR
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern IntPtr alljoyn_msgarg_get_array_elementsignature(IntPtr arg, UIntPtr index);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_msgarg_get_array_elementsignature' -Namespace Win32 -PassThru
# $api::alljoyn_msgarg_get_array_elementsignature(arg, index)

#uselib "MSAJApi.dll"
#func global alljoyn_msgarg_get_array_elementsignature "alljoyn_msgarg_get_array_elementsignature" sptr, sptr
; alljoyn_msgarg_get_array_elementsignature arg, index   ; 戻り値は stat
; arg : alljoyn_msgarg -> "sptr"
; index : UINT_PTR -> "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_msgarg_get_array_elementsignature "alljoyn_msgarg_get_array_elementsignature" sptr, sptr
; res = alljoyn_msgarg_get_array_elementsignature(arg, index)
; arg : alljoyn_msgarg -> "sptr"
; index : UINT_PTR -> "sptr"

; LPSTR alljoyn_msgarg_get_array_elementsignature(alljoyn_msgarg arg, UINT_PTR index)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_msgarg_get_array_elementsignature "alljoyn_msgarg_get_array_elementsignature" intptr, intptr
; res = alljoyn_msgarg_get_array_elementsignature(arg, index)
; arg : alljoyn_msgarg -> "intptr"
; index : UINT_PTR -> "intptr"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_msgarg_get_array_elementsignature = msajapi.NewProc("alljoyn_msgarg_get_array_elementsignature")
)

// arg (alljoyn_msgarg), index (UINT_PTR)
r1, _, err := procalljoyn_msgarg_get_array_elementsignature.Call(
	uintptr(arg),
	uintptr(index),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function alljoyn_msgarg_get_array_elementsignature(
  arg: NativeInt;   // alljoyn_msgarg
  index: NativeUInt   // UINT_PTR
): PAnsiChar; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_msgarg_get_array_elementsignature';

result := DllCall("MSAJApi\alljoyn_msgarg_get_array_elementsignature"
    , "Ptr", arg   ; alljoyn_msgarg
    , "UPtr", index   ; UINT_PTR
    , "Ptr")   ; return: LPSTR

●alljoyn_msgarg_get_array_elementsignature(arg, index) = DLL("MSAJApi.dll", "char* alljoyn_msgarg_get_array_elementsignature(int, int)")
# 呼び出し: alljoyn_msgarg_get_array_elementsignature(arg, index)
# arg : alljoyn_msgarg -> "int"
# index : UINT_PTR -> "int"
# 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)。