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SafeArrayGetVartype

関数

セーフ配列に格納された要素のVARTYPE型を取得する。

DLLOLEAUT32.dll呼出規約winapi

シグネチャ

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

HRESULT SafeArrayGetVartype(
    SAFEARRAY* psa,
    VARENUM* pvt
);

パラメーター

名前	型	方向
psa	SAFEARRAY*	in
pvt	VARENUM*	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SafeArrayGetVartype(
    SAFEARRAY* psa,
    VARENUM* pvt
);

[DllImport("OLEAUT32.dll", ExactSpelling = true)]
static extern int SafeArrayGetVartype(
    IntPtr psa,   // SAFEARRAY*
    out ushort pvt   // VARENUM* out
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function SafeArrayGetVartype(
    psa As IntPtr,   ' SAFEARRAY*
    <Out> ByRef pvt As UShort   ' VARENUM* out
) As Integer
End Function

' psa : SAFEARRAY*
' pvt : VARENUM* out
Declare PtrSafe Function SafeArrayGetVartype Lib "oleaut32" ( _
    ByVal psa As LongPtr, _
    ByRef pvt As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SafeArrayGetVartype = ctypes.windll.oleaut32.SafeArrayGetVartype
SafeArrayGetVartype.restype = ctypes.c_int
SafeArrayGetVartype.argtypes = [
    ctypes.c_void_p,  # psa : SAFEARRAY*
    ctypes.c_void_p,  # pvt : VARENUM* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
SafeArrayGetVartype = Fiddle::Function.new(
  lib['SafeArrayGetVartype'],
  [
    Fiddle::TYPE_VOIDP,  # psa : SAFEARRAY*
    Fiddle::TYPE_VOIDP,  # pvt : VARENUM* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn SafeArrayGetVartype(
        psa: *mut SAFEARRAY,  // SAFEARRAY*
        pvt: *mut u16  // VARENUM* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int SafeArrayGetVartype(IntPtr psa, out ushort pvt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_SafeArrayGetVartype' -Namespace Win32 -PassThru
# $api::SafeArrayGetVartype(psa, pvt)

#uselib "OLEAUT32.dll"
#func global SafeArrayGetVartype "SafeArrayGetVartype" sptr, sptr
; SafeArrayGetVartype varptr(psa), pvt   ; 戻り値は stat
; psa : SAFEARRAY* -> "sptr"
; pvt : VARENUM* 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 "OLEAUT32.dll"
#cfunc global SafeArrayGetVartype "SafeArrayGetVartype" var, int
; res = SafeArrayGetVartype(psa, pvt)
; psa : SAFEARRAY* -> "var"
; pvt : VARENUM* out -> "int"
; ※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 SafeArrayGetVartype "SafeArrayGetVartype" sptr, int
; res = SafeArrayGetVartype(varptr(psa), pvt)
; psa : SAFEARRAY* -> "sptr"
; pvt : VARENUM* out -> "int"
; ※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 SafeArrayGetVartype(SAFEARRAY* psa, VARENUM* pvt)
#uselib "OLEAUT32.dll"
#cfunc global SafeArrayGetVartype "SafeArrayGetVartype" var, int
; res = SafeArrayGetVartype(psa, pvt)
; psa : SAFEARRAY* -> "var"
; pvt : VARENUM* out -> "int"
; ※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 SafeArrayGetVartype(SAFEARRAY* psa, VARENUM* pvt)
#uselib "OLEAUT32.dll"
#cfunc global SafeArrayGetVartype "SafeArrayGetVartype" intptr, int
; res = SafeArrayGetVartype(varptr(psa), pvt)
; psa : SAFEARRAY* -> "intptr"
; pvt : VARENUM* out -> "int"
; ※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")
	procSafeArrayGetVartype = oleaut32.NewProc("SafeArrayGetVartype")
)

// psa (SAFEARRAY*), pvt (VARENUM* out)
r1, _, err := procSafeArrayGetVartype.Call(
	uintptr(psa),
	uintptr(pvt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SafeArrayGetVartype(
  psa: Pointer;   // SAFEARRAY*
  pvt: Pointer   // VARENUM* out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayGetVartype';

result := DllCall("OLEAUT32\SafeArrayGetVartype"
    , "Ptr", psa   ; SAFEARRAY*
    , "Ptr", pvt   ; VARENUM* out
    , "Int")   ; return: HRESULT

●SafeArrayGetVartype(psa, pvt) = DLL("OLEAUT32.dll", "int SafeArrayGetVartype(void*, void*)")
# 呼び出し: SafeArrayGetVartype(psa, pvt)
# psa : SAFEARRAY* -> "void*"
# pvt : VARENUM* 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)。