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VarBoolFromDec

関数
DECIMAL型の値をVARIANT_BOOL型に変換する。
DLLOLEAUT32.dll呼出規約winapi

シグネチャ

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

HRESULT VarBoolFromDec(
    const DECIMAL* pdecIn,
    VARIANT_BOOL* pboolOut
);

パラメーター

名前方向
pdecInDECIMAL*in
pboolOutVARIANT_BOOL*out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT VarBoolFromDec(
    const DECIMAL* pdecIn,
    VARIANT_BOOL* pboolOut
);
[DllImport("OLEAUT32.dll", ExactSpelling = true)]
static extern int VarBoolFromDec(
    IntPtr pdecIn,   // DECIMAL*
    out short pboolOut   // VARIANT_BOOL* out
);
<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function VarBoolFromDec(
    pdecIn As IntPtr,   ' DECIMAL*
    <Out> ByRef pboolOut As Short   ' VARIANT_BOOL* out
) As Integer
End Function
' pdecIn : DECIMAL*
' pboolOut : VARIANT_BOOL* out
Declare PtrSafe Function VarBoolFromDec Lib "oleaut32" ( _
    ByVal pdecIn As LongPtr, _
    ByRef pboolOut 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

VarBoolFromDec = ctypes.windll.oleaut32.VarBoolFromDec
VarBoolFromDec.restype = ctypes.c_int
VarBoolFromDec.argtypes = [
    ctypes.c_void_p,  # pdecIn : DECIMAL*
    ctypes.c_void_p,  # pboolOut : VARIANT_BOOL* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VarBoolFromDec = Fiddle::Function.new(
  lib['VarBoolFromDec'],
  [
    Fiddle::TYPE_VOIDP,  # pdecIn : DECIMAL*
    Fiddle::TYPE_VOIDP,  # pboolOut : VARIANT_BOOL* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "oleaut32")]
extern "system" {
    fn VarBoolFromDec(
        pdecIn: *const DECIMAL,  // DECIMAL*
        pboolOut: *mut i16  // VARIANT_BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int VarBoolFromDec(IntPtr pdecIn, out short pboolOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VarBoolFromDec' -Namespace Win32 -PassThru
# $api::VarBoolFromDec(pdecIn, pboolOut)
#uselib "OLEAUT32.dll"
#func global VarBoolFromDec "VarBoolFromDec" sptr, sptr
; VarBoolFromDec varptr(pdecIn), pboolOut   ; 戻り値は stat
; pdecIn : DECIMAL* -> "sptr"
; pboolOut : VARIANT_BOOL* 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 VarBoolFromDec "VarBoolFromDec" var, int
; res = VarBoolFromDec(pdecIn, pboolOut)
; pdecIn : DECIMAL* -> "var"
; pboolOut : VARIANT_BOOL* 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。
出力引数:
; HRESULT VarBoolFromDec(DECIMAL* pdecIn, VARIANT_BOOL* pboolOut)
#uselib "OLEAUT32.dll"
#cfunc global VarBoolFromDec "VarBoolFromDec" var, int
; res = VarBoolFromDec(pdecIn, pboolOut)
; pdecIn : DECIMAL* -> "var"
; pboolOut : VARIANT_BOOL* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVarBoolFromDec = oleaut32.NewProc("VarBoolFromDec")
)

// pdecIn (DECIMAL*), pboolOut (VARIANT_BOOL* out)
r1, _, err := procVarBoolFromDec.Call(
	uintptr(pdecIn),
	uintptr(pboolOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function VarBoolFromDec(
  pdecIn: Pointer;   // DECIMAL*
  pboolOut: Pointer   // VARIANT_BOOL* out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'VarBoolFromDec';
result := DllCall("OLEAUT32\VarBoolFromDec"
    , "Ptr", pdecIn   ; DECIMAL*
    , "Ptr", pboolOut   ; VARIANT_BOOL* out
    , "Int")   ; return: HRESULT
●VarBoolFromDec(pdecIn, pboolOut) = DLL("OLEAUT32.dll", "int VarBoolFromDec(void*, void*)")
# 呼び出し: VarBoolFromDec(pdecIn, pboolOut)
# pdecIn : DECIMAL* -> "void*"
# pboolOut : VARIANT_BOOL* 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)。