CoGetContextToken

関数

現在のオブジェクトコンテキストのトークンを取得する。

DLLOLE32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// OLE32.dll
#include <windows.h>

HRESULT CoGetContextToken(
    UINT_PTR* pToken
);

パラメーター

名前	型	方向
pToken	UINT_PTR*	out

戻り値の型: HRESULT

各言語での呼び出し定義

// OLE32.dll
#include <windows.h>

HRESULT CoGetContextToken(
    UINT_PTR* pToken
);

[DllImport("OLE32.dll", ExactSpelling = true)]
static extern int CoGetContextToken(
    out UIntPtr pToken   // UINT_PTR* out
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoGetContextToken(
    <Out> ByRef pToken As UIntPtr   ' UINT_PTR* out
) As Integer
End Function

' pToken : UINT_PTR* out
Declare PtrSafe Function CoGetContextToken Lib "ole32" ( _
    ByRef pToken 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

CoGetContextToken = ctypes.windll.ole32.CoGetContextToken
CoGetContextToken.restype = ctypes.c_int
CoGetContextToken.argtypes = [
    ctypes.POINTER(ctypes.c_size_t),  # pToken : UINT_PTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoGetContextToken = Fiddle::Function.new(
  lib['CoGetContextToken'],
  [
    Fiddle::TYPE_VOIDP,  # pToken : UINT_PTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoGetContextToken(
        pToken: *mut usize  // UINT_PTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoGetContextToken(out UIntPtr pToken);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoGetContextToken' -Namespace Win32 -PassThru
# $api::CoGetContextToken(pToken)

#uselib "OLE32.dll"
#func global CoGetContextToken "CoGetContextToken" sptr
; CoGetContextToken varptr(pToken)   ; 戻り値は stat
; pToken : UINT_PTR* 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 "OLE32.dll"
#cfunc global CoGetContextToken "CoGetContextToken" var
; res = CoGetContextToken(pToken)
; pToken : UINT_PTR* 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 "OLE32.dll"
#cfunc global CoGetContextToken "CoGetContextToken" sptr
; res = CoGetContextToken(varptr(pToken))
; pToken : UINT_PTR* 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 CoGetContextToken(UINT_PTR* pToken)
#uselib "OLE32.dll"
#cfunc global CoGetContextToken "CoGetContextToken" var
; res = CoGetContextToken(pToken)
; pToken : UINT_PTR* 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。; HRESULT CoGetContextToken(UINT_PTR* pToken)
#uselib "OLE32.dll"
#cfunc global CoGetContextToken "CoGetContextToken" intptr
; res = CoGetContextToken(varptr(pToken))
; pToken : UINT_PTR* 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 (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoGetContextToken = ole32.NewProc("CoGetContextToken")
)

// pToken (UINT_PTR* out)
r1, _, err := procCoGetContextToken.Call(
	uintptr(pToken),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoGetContextToken(
  pToken: Pointer   // UINT_PTR* out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoGetContextToken';

result := DllCall("OLE32\CoGetContextToken"
    , "Ptr", pToken   ; UINT_PTR* out
    , "Int")   ; return: HRESULT

●CoGetContextToken(pToken) = DLL("OLE32.dll", "int CoGetContextToken(void*)")
# 呼び出し: CoGetContextToken(pToken)
# pToken : UINT_PTR* 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)。