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WriteClassStm

関数

ストリームにクラスIDを書き込む。

DLLOLE32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

HRESULT WriteClassStm(
    IStream* pStm,
    const GUID* rclsid
);

パラメーター

名前	型	方向
pStm	IStream*	in
rclsid	GUID*	in

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WriteClassStm(
    IStream* pStm,
    const GUID* rclsid
);

[DllImport("OLE32.dll", ExactSpelling = true)]
static extern int WriteClassStm(
    IntPtr pStm,   // IStream*
    ref Guid rclsid   // GUID*
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function WriteClassStm(
    pStm As IntPtr,   ' IStream*
    ByRef rclsid As Guid   ' GUID*
) As Integer
End Function

' pStm : IStream*
' rclsid : GUID*
Declare PtrSafe Function WriteClassStm Lib "ole32" ( _
    ByVal pStm As LongPtr, _
    ByVal rclsid 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

WriteClassStm = ctypes.windll.ole32.WriteClassStm
WriteClassStm.restype = ctypes.c_int
WriteClassStm.argtypes = [
    ctypes.c_void_p,  # pStm : IStream*
    ctypes.c_void_p,  # rclsid : GUID*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
WriteClassStm = Fiddle::Function.new(
  lib['WriteClassStm'],
  [
    Fiddle::TYPE_VOIDP,  # pStm : IStream*
    Fiddle::TYPE_VOIDP,  # rclsid : GUID*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn WriteClassStm(
        pStm: *mut core::ffi::c_void,  // IStream*
        rclsid: *const GUID  // GUID*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int WriteClassStm(IntPtr pStm, ref Guid rclsid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_WriteClassStm' -Namespace Win32 -PassThru
# $api::WriteClassStm(pStm, rclsid)

#uselib "OLE32.dll"
#func global WriteClassStm "WriteClassStm" sptr, sptr
; WriteClassStm pStm, varptr(rclsid)   ; 戻り値は stat
; pStm : IStream* -> "sptr"
; rclsid : GUID* -> "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 WriteClassStm "WriteClassStm" sptr, var
; res = WriteClassStm(pStm, rclsid)
; pStm : IStream* -> "sptr"
; rclsid : GUID* -> "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 WriteClassStm "WriteClassStm" sptr, sptr
; res = WriteClassStm(pStm, varptr(rclsid))
; pStm : IStream* -> "sptr"
; rclsid : GUID* -> "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 WriteClassStm(IStream* pStm, GUID* rclsid)
#uselib "OLE32.dll"
#cfunc global WriteClassStm "WriteClassStm" intptr, var
; res = WriteClassStm(pStm, rclsid)
; pStm : IStream* -> "intptr"
; rclsid : GUID* -> "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 WriteClassStm(IStream* pStm, GUID* rclsid)
#uselib "OLE32.dll"
#cfunc global WriteClassStm "WriteClassStm" intptr, intptr
; res = WriteClassStm(pStm, varptr(rclsid))
; pStm : IStream* -> "intptr"
; rclsid : GUID* -> "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")
	procWriteClassStm = ole32.NewProc("WriteClassStm")
)

// pStm (IStream*), rclsid (GUID*)
r1, _, err := procWriteClassStm.Call(
	uintptr(pStm),
	uintptr(rclsid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WriteClassStm(
  pStm: Pointer;   // IStream*
  rclsid: PGUID   // GUID*
): Integer; stdcall;
  external 'OLE32.dll' name 'WriteClassStm';

result := DllCall("OLE32\WriteClassStm"
    , "Ptr", pStm   ; IStream*
    , "Ptr", rclsid   ; GUID*
    , "Int")   ; return: HRESULT

●WriteClassStm(pStm, rclsid) = DLL("OLE32.dll", "int WriteClassStm(void*, void*)")
# 呼び出し: WriteClassStm(pStm, rclsid)
# pStm : IStream* -> "void*"
# rclsid : GUID* -> "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)。