VariantCopyInd

関数

参照を解決してVARIANTを別のVARIANTにコピーする。

DLLOLEAUT32.dll呼出規約winapi

シグネチャ

// OLEAUT32.dll
#include <windows.h>

HRESULT VariantCopyInd(
    VARIANT* pvarDest,
    const VARIANT* pvargSrc
);

パラメーター

名前	型	方向
pvarDest	VARIANT*	inout
pvargSrc	VARIANT*	in

戻り値の型: HRESULT

各言語での呼び出し定義

// OLEAUT32.dll
#include <windows.h>

HRESULT VariantCopyInd(
    VARIANT* pvarDest,
    const VARIANT* pvargSrc
);

[DllImport("OLEAUT32.dll", ExactSpelling = true)]
static extern int VariantCopyInd(
    IntPtr pvarDest,   // VARIANT* in/out
    IntPtr pvargSrc   // VARIANT*
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function VariantCopyInd(
    pvarDest As IntPtr,   ' VARIANT* in/out
    pvargSrc As IntPtr   ' VARIANT*
) As Integer
End Function

' pvarDest : VARIANT* in/out
' pvargSrc : VARIANT*
Declare PtrSafe Function VariantCopyInd Lib "oleaut32" ( _
    ByVal pvarDest As LongPtr, _
    ByVal pvargSrc 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

VariantCopyInd = ctypes.windll.oleaut32.VariantCopyInd
VariantCopyInd.restype = ctypes.c_int
VariantCopyInd.argtypes = [
    ctypes.c_void_p,  # pvarDest : VARIANT* in/out
    ctypes.c_void_p,  # pvargSrc : VARIANT*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VariantCopyInd = Fiddle::Function.new(
  lib['VariantCopyInd'],
  [
    Fiddle::TYPE_VOIDP,  # pvarDest : VARIANT* in/out
    Fiddle::TYPE_VOIDP,  # pvargSrc : VARIANT*
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn VariantCopyInd(
        pvarDest: *mut VARIANT,  // VARIANT* in/out
        pvargSrc: *const VARIANT  // VARIANT*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int VariantCopyInd(IntPtr pvarDest, IntPtr pvargSrc);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VariantCopyInd' -Namespace Win32 -PassThru
# $api::VariantCopyInd(pvarDest, pvargSrc)

#uselib "OLEAUT32.dll"
#func global VariantCopyInd "VariantCopyInd" sptr, sptr
; VariantCopyInd varptr(pvarDest), varptr(pvargSrc)   ; 戻り値は stat
; pvarDest : VARIANT* in/out -> "sptr"
; pvargSrc : VARIANT* -> "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 "OLEAUT32.dll"
#cfunc global VariantCopyInd "VariantCopyInd" var, var
; res = VariantCopyInd(pvarDest, pvargSrc)
; pvarDest : VARIANT* in/out -> "var"
; pvargSrc : VARIANT* -> "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 "OLEAUT32.dll"
#cfunc global VariantCopyInd "VariantCopyInd" sptr, sptr
; res = VariantCopyInd(varptr(pvarDest), varptr(pvargSrc))
; pvarDest : VARIANT* in/out -> "sptr"
; pvargSrc : VARIANT* -> "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 VariantCopyInd(VARIANT* pvarDest, VARIANT* pvargSrc)
#uselib "OLEAUT32.dll"
#cfunc global VariantCopyInd "VariantCopyInd" var, var
; res = VariantCopyInd(pvarDest, pvargSrc)
; pvarDest : VARIANT* in/out -> "var"
; pvargSrc : VARIANT* -> "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 VariantCopyInd(VARIANT* pvarDest, VARIANT* pvargSrc)
#uselib "OLEAUT32.dll"
#cfunc global VariantCopyInd "VariantCopyInd" intptr, intptr
; res = VariantCopyInd(varptr(pvarDest), varptr(pvargSrc))
; pvarDest : VARIANT* in/out -> "intptr"
; pvargSrc : VARIANT* -> "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 (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVariantCopyInd = oleaut32.NewProc("VariantCopyInd")
)

// pvarDest (VARIANT* in/out), pvargSrc (VARIANT*)
r1, _, err := procVariantCopyInd.Call(
	uintptr(pvarDest),
	uintptr(pvargSrc),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function VariantCopyInd(
  pvarDest: Pointer;   // VARIANT* in/out
  pvargSrc: Pointer   // VARIANT*
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'VariantCopyInd';

result := DllCall("OLEAUT32\VariantCopyInd"
    , "Ptr", pvarDest   ; VARIANT* in/out
    , "Ptr", pvargSrc   ; VARIANT*
    , "Int")   ; return: HRESULT

●VariantCopyInd(pvarDest, pvargSrc) = DLL("OLEAUT32.dll", "int VariantCopyInd(void*, void*)")
# 呼び出し: VariantCopyInd(pvarDest, pvargSrc)
# pvarDest : VARIANT* in/out -> "void*"
# pvargSrc : VARIANT* -> "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)。