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SHCreateThreadRef

関数

スレッド単位の参照カウントオブジェクトを生成する。

DLLSHLWAPI.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT SHCreateThreadRef(
    INT* pcRef,
    IUnknown** ppunk
);

パラメーター

名前	型	方向
pcRef	INT*	inout
ppunk	IUnknown**	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SHCreateThreadRef(
    INT* pcRef,
    IUnknown** ppunk
);

[DllImport("SHLWAPI.dll", ExactSpelling = true)]
static extern int SHCreateThreadRef(
    ref int pcRef,   // INT* in/out
    IntPtr ppunk   // IUnknown** out
);

<DllImport("SHLWAPI.dll", ExactSpelling:=True)>
Public Shared Function SHCreateThreadRef(
    ByRef pcRef As Integer,   ' INT* in/out
    ppunk As IntPtr   ' IUnknown** out
) As Integer
End Function

' pcRef : INT* in/out
' ppunk : IUnknown** out
Declare PtrSafe Function SHCreateThreadRef Lib "shlwapi" ( _
    ByRef pcRef As Long, _
    ByVal ppunk 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

SHCreateThreadRef = ctypes.windll.shlwapi.SHCreateThreadRef
SHCreateThreadRef.restype = ctypes.c_int
SHCreateThreadRef.argtypes = [
    ctypes.POINTER(ctypes.c_int),  # pcRef : INT* in/out
    ctypes.c_void_p,  # ppunk : IUnknown** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
SHCreateThreadRef = Fiddle::Function.new(
  lib['SHCreateThreadRef'],
  [
    Fiddle::TYPE_VOIDP,  # pcRef : INT* in/out
    Fiddle::TYPE_VOIDP,  # ppunk : IUnknown** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn SHCreateThreadRef(
        pcRef: *mut i32,  // INT* in/out
        ppunk: *mut *mut core::ffi::c_void  // IUnknown** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll")]
public static extern int SHCreateThreadRef(ref int pcRef, IntPtr ppunk);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_SHCreateThreadRef' -Namespace Win32 -PassThru
# $api::SHCreateThreadRef(pcRef, ppunk)

#uselib "SHLWAPI.dll"
#func global SHCreateThreadRef "SHCreateThreadRef" sptr, sptr
; SHCreateThreadRef varptr(pcRef), ppunk   ; 戻り値は stat
; pcRef : INT* in/out -> "sptr"
; ppunk : IUnknown** 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 "SHLWAPI.dll"
#cfunc global SHCreateThreadRef "SHCreateThreadRef" var, sptr
; res = SHCreateThreadRef(pcRef, ppunk)
; pcRef : INT* in/out -> "var"
; ppunk : IUnknown** out -> "sptr"
; ※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 "SHLWAPI.dll"
#cfunc global SHCreateThreadRef "SHCreateThreadRef" sptr, sptr
; res = SHCreateThreadRef(varptr(pcRef), ppunk)
; pcRef : INT* in/out -> "sptr"
; ppunk : IUnknown** 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:

; HRESULT SHCreateThreadRef(INT* pcRef, IUnknown** ppunk)
#uselib "SHLWAPI.dll"
#cfunc global SHCreateThreadRef "SHCreateThreadRef" var, intptr
; res = SHCreateThreadRef(pcRef, ppunk)
; pcRef : INT* in/out -> "var"
; ppunk : IUnknown** out -> "intptr"
; ※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。; HRESULT SHCreateThreadRef(INT* pcRef, IUnknown** ppunk)
#uselib "SHLWAPI.dll"
#cfunc global SHCreateThreadRef "SHCreateThreadRef" intptr, intptr
; res = SHCreateThreadRef(varptr(pcRef), ppunk)
; pcRef : INT* in/out -> "intptr"
; ppunk : IUnknown** 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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procSHCreateThreadRef = shlwapi.NewProc("SHCreateThreadRef")
)

// pcRef (INT* in/out), ppunk (IUnknown** out)
r1, _, err := procSHCreateThreadRef.Call(
	uintptr(pcRef),
	uintptr(ppunk),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHCreateThreadRef(
  pcRef: Pointer;   // INT* in/out
  ppunk: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'SHCreateThreadRef';

result := DllCall("SHLWAPI\SHCreateThreadRef"
    , "Ptr", pcRef   ; INT* in/out
    , "Ptr", ppunk   ; IUnknown** out
    , "Int")   ; return: HRESULT

●SHCreateThreadRef(pcRef, ppunk) = DLL("SHLWAPI.dll", "int SHCreateThreadRef(void*, void*)")
# 呼び出し: SHCreateThreadRef(pcRef, ppunk)
# pcRef : INT* in/out -> "void*"
# ppunk : IUnknown** 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)。