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

alljoyn_msgarg_get_variant

関数
メッセージ引数からバリアント値を取得する。
DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

QStatus alljoyn_msgarg_get_variant(
    alljoyn_msgarg arg,
    alljoyn_msgarg v
);

パラメーター

名前方向
argalljoyn_msgargin
valljoyn_msgargin

戻り値の型: QStatus

各言語での呼び出し定義

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

QStatus alljoyn_msgarg_get_variant(
    alljoyn_msgarg arg,
    alljoyn_msgarg v
);
[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern int alljoyn_msgarg_get_variant(
    IntPtr arg,   // alljoyn_msgarg
    IntPtr v   // alljoyn_msgarg
);
<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_msgarg_get_variant(
    arg As IntPtr,   ' alljoyn_msgarg
    v As IntPtr   ' alljoyn_msgarg
) As Integer
End Function
' arg : alljoyn_msgarg
' v : alljoyn_msgarg
Declare PtrSafe Function alljoyn_msgarg_get_variant Lib "msajapi" ( _
    ByVal arg As LongPtr, _
    ByVal v 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_msgarg_get_variant = ctypes.windll.msajapi.alljoyn_msgarg_get_variant
alljoyn_msgarg_get_variant.restype = ctypes.c_int
alljoyn_msgarg_get_variant.argtypes = [
    ctypes.c_ssize_t,  # arg : alljoyn_msgarg
    ctypes.c_ssize_t,  # v : alljoyn_msgarg
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_msgarg_get_variant = Fiddle::Function.new(
  lib['alljoyn_msgarg_get_variant'],
  [
    Fiddle::TYPE_INTPTR_T,  # arg : alljoyn_msgarg
    Fiddle::TYPE_INTPTR_T,  # v : alljoyn_msgarg
  ],
  Fiddle::TYPE_INT)
#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_msgarg_get_variant(
        arg: isize,  // alljoyn_msgarg
        v: isize  // alljoyn_msgarg
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_msgarg_get_variant(IntPtr arg, IntPtr v);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_msgarg_get_variant' -Namespace Win32 -PassThru
# $api::alljoyn_msgarg_get_variant(arg, v)
#uselib "MSAJApi.dll"
#func global alljoyn_msgarg_get_variant "alljoyn_msgarg_get_variant" sptr, sptr
; alljoyn_msgarg_get_variant arg, v   ; 戻り値は stat
; arg : alljoyn_msgarg -> "sptr"
; v : alljoyn_msgarg -> "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_variant "alljoyn_msgarg_get_variant" sptr, sptr
; res = alljoyn_msgarg_get_variant(arg, v)
; arg : alljoyn_msgarg -> "sptr"
; v : alljoyn_msgarg -> "sptr"
; QStatus alljoyn_msgarg_get_variant(alljoyn_msgarg arg, alljoyn_msgarg v)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_msgarg_get_variant "alljoyn_msgarg_get_variant" intptr, intptr
; res = alljoyn_msgarg_get_variant(arg, v)
; arg : alljoyn_msgarg -> "intptr"
; v : alljoyn_msgarg -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_msgarg_get_variant = msajapi.NewProc("alljoyn_msgarg_get_variant")
)

// arg (alljoyn_msgarg), v (alljoyn_msgarg)
r1, _, err := procalljoyn_msgarg_get_variant.Call(
	uintptr(arg),
	uintptr(v),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus
function alljoyn_msgarg_get_variant(
  arg: NativeInt;   // alljoyn_msgarg
  v: NativeInt   // alljoyn_msgarg
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_msgarg_get_variant';
result := DllCall("MSAJApi\alljoyn_msgarg_get_variant"
    , "Ptr", arg   ; alljoyn_msgarg
    , "Ptr", v   ; alljoyn_msgarg
    , "Int")   ; return: QStatus
●alljoyn_msgarg_get_variant(arg, v) = DLL("MSAJApi.dll", "int alljoyn_msgarg_get_variant(int, int)")
# 呼び出し: alljoyn_msgarg_get_variant(arg, v)
# arg : alljoyn_msgarg -> "int"
# v : alljoyn_msgarg -> "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)。