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

alljoyn_busattachment_getpeerguid

関数
指定したピア名に対応するGUIDを取得する。
DLLMSAJApi.dll呼出規約winapi

シグネチャ

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

QStatus alljoyn_busattachment_getpeerguid(
    alljoyn_busattachment bus,
    LPCSTR name,
    LPSTR guid,
    UINT_PTR* guidSz
);

パラメーター

名前方向
busalljoyn_busattachmentin
nameLPCSTRin
guidLPSTRin
guidSzUINT_PTR*inout

戻り値の型: QStatus

各言語での呼び出し定義

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

QStatus alljoyn_busattachment_getpeerguid(
    alljoyn_busattachment bus,
    LPCSTR name,
    LPSTR guid,
    UINT_PTR* guidSz
);
[DllImport("MSAJApi.dll", ExactSpelling = true)]
static extern int alljoyn_busattachment_getpeerguid(
    IntPtr bus,   // alljoyn_busattachment
    [MarshalAs(UnmanagedType.LPStr)] string name,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string guid,   // LPSTR
    ref UIntPtr guidSz   // UINT_PTR* in/out
);
<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_busattachment_getpeerguid(
    bus As IntPtr,   ' alljoyn_busattachment
    <MarshalAs(UnmanagedType.LPStr)> name As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> guid As String,   ' LPSTR
    ByRef guidSz As UIntPtr   ' UINT_PTR* in/out
) As Integer
End Function
' bus : alljoyn_busattachment
' name : LPCSTR
' guid : LPSTR
' guidSz : UINT_PTR* in/out
Declare PtrSafe Function alljoyn_busattachment_getpeerguid Lib "msajapi" ( _
    ByVal bus As LongPtr, _
    ByVal name As String, _
    ByVal guid As String, _
    ByRef guidSz 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_busattachment_getpeerguid = ctypes.windll.msajapi.alljoyn_busattachment_getpeerguid
alljoyn_busattachment_getpeerguid.restype = ctypes.c_int
alljoyn_busattachment_getpeerguid.argtypes = [
    ctypes.c_ssize_t,  # bus : alljoyn_busattachment
    wintypes.LPCSTR,  # name : LPCSTR
    wintypes.LPCSTR,  # guid : LPSTR
    ctypes.POINTER(ctypes.c_size_t),  # guidSz : UINT_PTR* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_busattachment_getpeerguid = Fiddle::Function.new(
  lib['alljoyn_busattachment_getpeerguid'],
  [
    Fiddle::TYPE_INTPTR_T,  # bus : alljoyn_busattachment
    Fiddle::TYPE_VOIDP,  # name : LPCSTR
    Fiddle::TYPE_VOIDP,  # guid : LPSTR
    Fiddle::TYPE_VOIDP,  # guidSz : UINT_PTR* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_busattachment_getpeerguid(
        bus: isize,  // alljoyn_busattachment
        name: *const u8,  // LPCSTR
        guid: *mut u8,  // LPSTR
        guidSz: *mut usize  // UINT_PTR* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_busattachment_getpeerguid(IntPtr bus, [MarshalAs(UnmanagedType.LPStr)] string name, [MarshalAs(UnmanagedType.LPStr)] string guid, ref UIntPtr guidSz);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_busattachment_getpeerguid' -Namespace Win32 -PassThru
# $api::alljoyn_busattachment_getpeerguid(bus, name, guid, guidSz)
#uselib "MSAJApi.dll"
#func global alljoyn_busattachment_getpeerguid "alljoyn_busattachment_getpeerguid" sptr, sptr, sptr, sptr
; alljoyn_busattachment_getpeerguid bus, name, guid, varptr(guidSz)   ; 戻り値は stat
; bus : alljoyn_busattachment -> "sptr"
; name : LPCSTR -> "sptr"
; guid : LPSTR -> "sptr"
; guidSz : UINT_PTR* in/out -> "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 "MSAJApi.dll"
#cfunc global alljoyn_busattachment_getpeerguid "alljoyn_busattachment_getpeerguid" sptr, str, str, var
; res = alljoyn_busattachment_getpeerguid(bus, name, guid, guidSz)
; bus : alljoyn_busattachment -> "sptr"
; name : LPCSTR -> "str"
; guid : LPSTR -> "str"
; guidSz : UINT_PTR* in/out -> "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。
出力引数:
; QStatus alljoyn_busattachment_getpeerguid(alljoyn_busattachment bus, LPCSTR name, LPSTR guid, UINT_PTR* guidSz)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_busattachment_getpeerguid "alljoyn_busattachment_getpeerguid" intptr, str, str, var
; res = alljoyn_busattachment_getpeerguid(bus, name, guid, guidSz)
; bus : alljoyn_busattachment -> "intptr"
; name : LPCSTR -> "str"
; guid : LPSTR -> "str"
; guidSz : UINT_PTR* in/out -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_busattachment_getpeerguid = msajapi.NewProc("alljoyn_busattachment_getpeerguid")
)

// bus (alljoyn_busattachment), name (LPCSTR), guid (LPSTR), guidSz (UINT_PTR* in/out)
r1, _, err := procalljoyn_busattachment_getpeerguid.Call(
	uintptr(bus),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(name))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(guid))),
	uintptr(guidSz),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus
function alljoyn_busattachment_getpeerguid(
  bus: NativeInt;   // alljoyn_busattachment
  name: PAnsiChar;   // LPCSTR
  guid: PAnsiChar;   // LPSTR
  guidSz: Pointer   // UINT_PTR* in/out
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_busattachment_getpeerguid';
result := DllCall("MSAJApi\alljoyn_busattachment_getpeerguid"
    , "Ptr", bus   ; alljoyn_busattachment
    , "AStr", name   ; LPCSTR
    , "AStr", guid   ; LPSTR
    , "Ptr", guidSz   ; UINT_PTR* in/out
    , "Int")   ; return: QStatus
●alljoyn_busattachment_getpeerguid(bus, name, guid, guidSz) = DLL("MSAJApi.dll", "int alljoyn_busattachment_getpeerguid(int, char*, char*, void*)")
# 呼び出し: alljoyn_busattachment_getpeerguid(bus, name, guid, guidSz)
# bus : alljoyn_busattachment -> "int"
# name : LPCSTR -> "char*"
# guid : LPSTR -> "char*"
# guidSz : UINT_PTR* 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)。