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alljoyn_observer_getfirst

関数

オブザーバーが検出したオブジェクトの最初の参照を取得する。

DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

alljoyn_proxybusobject_ref alljoyn_observer_getfirst(
    alljoyn_observer observer
);

パラメーター

名前	型	方向	説明
observer	alljoyn_observer	in	検出オブジェクト列挙の先頭を取得する対象のオブザーバハンドル。

戻り値の型: alljoyn_proxybusobject_ref

各言語での呼び出し定義

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

alljoyn_proxybusobject_ref alljoyn_observer_getfirst(
    alljoyn_observer observer
);

[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern IntPtr alljoyn_observer_getfirst(
    IntPtr observer   // alljoyn_observer
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_observer_getfirst(
    observer As IntPtr   ' alljoyn_observer
) As IntPtr
End Function

' observer : alljoyn_observer
Declare PtrSafe Function alljoyn_observer_getfirst Lib "msajapi" ( _
    ByVal observer 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_observer_getfirst = ctypes.windll.msajapi.alljoyn_observer_getfirst
alljoyn_observer_getfirst.restype = ctypes.c_ssize_t
alljoyn_observer_getfirst.argtypes = [
    ctypes.c_ssize_t,  # observer : alljoyn_observer
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_observer_getfirst = Fiddle::Function.new(
  lib['alljoyn_observer_getfirst'],
  [
    Fiddle::TYPE_INTPTR_T,  # observer : alljoyn_observer
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_observer_getfirst(
        observer: isize  // alljoyn_observer
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern IntPtr alljoyn_observer_getfirst(IntPtr observer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_observer_getfirst' -Namespace Win32 -PassThru
# $api::alljoyn_observer_getfirst(observer)

#uselib "MSAJApi.dll"
#func global alljoyn_observer_getfirst "alljoyn_observer_getfirst" sptr
; alljoyn_observer_getfirst observer   ; 戻り値は stat
; observer : alljoyn_observer -> "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_observer_getfirst "alljoyn_observer_getfirst" sptr
; res = alljoyn_observer_getfirst(observer)
; observer : alljoyn_observer -> "sptr"

; alljoyn_proxybusobject_ref alljoyn_observer_getfirst(alljoyn_observer observer)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_observer_getfirst "alljoyn_observer_getfirst" intptr
; res = alljoyn_observer_getfirst(observer)
; observer : alljoyn_observer -> "intptr"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_observer_getfirst = msajapi.NewProc("alljoyn_observer_getfirst")
)

// observer (alljoyn_observer)
r1, _, err := procalljoyn_observer_getfirst.Call(
	uintptr(observer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // alljoyn_proxybusobject_ref

function alljoyn_observer_getfirst(
  observer: NativeInt   // alljoyn_observer
): NativeInt; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_observer_getfirst';

result := DllCall("MSAJApi\alljoyn_observer_getfirst"
    , "Ptr", observer   ; alljoyn_observer
    , "Ptr")   ; return: alljoyn_proxybusobject_ref

●alljoyn_observer_getfirst(observer) = DLL("MSAJApi.dll", "int alljoyn_observer_getfirst(int)")
# 呼び出し: alljoyn_observer_getfirst(observer)
# observer : alljoyn_observer -> "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)。