UuidToStringW

関数

UUIDをUnicode文字列形式に変換する。

DLLRPCRT4.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// RPCRT4.dll  (Unicode / -W)
#include <windows.h>

RPC_STATUS UuidToStringW(
    const GUID* Uuid,
    LPWSTR* StringUuid
);

パラメーター

名前	型	方向
Uuid	GUID*	in
StringUuid	LPWSTR*	out

戻り値の型: RPC_STATUS

各言語での呼び出し定義

// RPCRT4.dll  (Unicode / -W)
#include <windows.h>

RPC_STATUS UuidToStringW(
    const GUID* Uuid,
    LPWSTR* StringUuid
);

[DllImport("RPCRT4.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int UuidToStringW(
    ref Guid Uuid,   // GUID*
    IntPtr StringUuid   // LPWSTR* out
);

<DllImport("RPCRT4.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function UuidToStringW(
    ByRef Uuid As Guid,   ' GUID*
    StringUuid As IntPtr   ' LPWSTR* out
) As Integer
End Function

' Uuid : GUID*
' StringUuid : LPWSTR* out
Declare PtrSafe Function UuidToStringW Lib "rpcrt4" ( _
    ByVal Uuid As LongPtr, _
    ByVal StringUuid As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UuidToStringW = ctypes.windll.rpcrt4.UuidToStringW
UuidToStringW.restype = ctypes.c_int
UuidToStringW.argtypes = [
    ctypes.c_void_p,  # Uuid : GUID*
    ctypes.c_void_p,  # StringUuid : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
UuidToStringW = Fiddle::Function.new(
  lib['UuidToStringW'],
  [
    Fiddle::TYPE_VOIDP,  # Uuid : GUID*
    Fiddle::TYPE_VOIDP,  # StringUuid : LPWSTR* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rpcrt4")]
extern "system" {
    fn UuidToStringW(
        Uuid: *const GUID,  // GUID*
        StringUuid: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll", CharSet = CharSet.Unicode)]
public static extern int UuidToStringW(ref Guid Uuid, IntPtr StringUuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_UuidToStringW' -Namespace Win32 -PassThru
# $api::UuidToStringW(Uuid, StringUuid)

#uselib "RPCRT4.dll"
#func global UuidToStringW "UuidToStringW" wptr, wptr
; UuidToStringW varptr(Uuid), varptr(StringUuid)   ; 戻り値は stat
; Uuid : GUID* -> "wptr"
; StringUuid : LPWSTR* out -> "wptr"
; ※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 "RPCRT4.dll"
#cfunc global UuidToStringW "UuidToStringW" var, var
; res = UuidToStringW(Uuid, StringUuid)
; Uuid : GUID* -> "var"
; StringUuid : LPWSTR* 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。#uselib "RPCRT4.dll"
#cfunc global UuidToStringW "UuidToStringW" sptr, sptr
; res = UuidToStringW(varptr(Uuid), varptr(StringUuid))
; Uuid : GUID* -> "sptr"
; StringUuid : LPWSTR* out -> "sptr"
; ※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:

; RPC_STATUS UuidToStringW(GUID* Uuid, LPWSTR* StringUuid)
#uselib "RPCRT4.dll"
#cfunc global UuidToStringW "UuidToStringW" var, var
; res = UuidToStringW(Uuid, StringUuid)
; Uuid : GUID* -> "var"
; StringUuid : LPWSTR* 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。; RPC_STATUS UuidToStringW(GUID* Uuid, LPWSTR* StringUuid)
#uselib "RPCRT4.dll"
#cfunc global UuidToStringW "UuidToStringW" intptr, intptr
; res = UuidToStringW(varptr(Uuid), varptr(StringUuid))
; Uuid : GUID* -> "intptr"
; StringUuid : LPWSTR* out -> "intptr"
; ※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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procUuidToStringW = rpcrt4.NewProc("UuidToStringW")
)

// Uuid (GUID*), StringUuid (LPWSTR* out)
r1, _, err := procUuidToStringW.Call(
	uintptr(Uuid),
	uintptr(StringUuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function UuidToStringW(
  Uuid: PGUID;   // GUID*
  StringUuid: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'UuidToStringW';

result := DllCall("RPCRT4\UuidToStringW"
    , "Ptr", Uuid   ; GUID*
    , "Ptr", StringUuid   ; LPWSTR* out
    , "Int")   ; return: RPC_STATUS

●UuidToStringW(Uuid, StringUuid) = DLL("RPCRT4.dll", "int UuidToStringW(void*, void*)")
# 呼び出し: UuidToStringW(Uuid, StringUuid)
# Uuid : GUID* -> "void*"
# StringUuid : LPWSTR* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。