VarI1FromBool

関数

VARIANT_BOOL値を符号付き1バイト整数に変換する。

DLLOLEAUT32.dll呼出規約winapi

シグネチャ

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

HRESULT VarI1FromBool(
    VARIANT_BOOL boolIn,
    LPSTR pcOut
);

パラメーター

名前	型	方向
boolIn	VARIANT_BOOL	in
pcOut	LPSTR	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT VarI1FromBool(
    VARIANT_BOOL boolIn,
    LPSTR pcOut
);

[DllImport("OLEAUT32.dll", ExactSpelling = true)]
static extern int VarI1FromBool(
    short boolIn,   // VARIANT_BOOL
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pcOut   // LPSTR out
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function VarI1FromBool(
    boolIn As Short,   ' VARIANT_BOOL
    <MarshalAs(UnmanagedType.LPStr)> pcOut As System.Text.StringBuilder   ' LPSTR out
) As Integer
End Function

' boolIn : VARIANT_BOOL
' pcOut : LPSTR out
Declare PtrSafe Function VarI1FromBool Lib "oleaut32" ( _
    ByVal boolIn As Integer, _
    ByVal pcOut As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

VarI1FromBool = ctypes.windll.oleaut32.VarI1FromBool
VarI1FromBool.restype = ctypes.c_int
VarI1FromBool.argtypes = [
    ctypes.c_short,  # boolIn : VARIANT_BOOL
    wintypes.LPSTR,  # pcOut : LPSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VarI1FromBool = Fiddle::Function.new(
  lib['VarI1FromBool'],
  [
    Fiddle::TYPE_SHORT,  # boolIn : VARIANT_BOOL
    Fiddle::TYPE_VOIDP,  # pcOut : LPSTR out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn VarI1FromBool(
        boolIn: i16,  // VARIANT_BOOL
        pcOut: *mut u8  // LPSTR out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int VarI1FromBool(short boolIn, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pcOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VarI1FromBool' -Namespace Win32 -PassThru
# $api::VarI1FromBool(boolIn, pcOut)

#uselib "OLEAUT32.dll"
#func global VarI1FromBool "VarI1FromBool" sptr, sptr
; VarI1FromBool boolIn, varptr(pcOut)   ; 戻り値は stat
; boolIn : VARIANT_BOOL -> "sptr"
; pcOut : LPSTR 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 VarI1FromBool "VarI1FromBool" int, var
; res = VarI1FromBool(boolIn, pcOut)
; boolIn : VARIANT_BOOL -> "int"
; pcOut : LPSTR 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 "OLEAUT32.dll"
#cfunc global VarI1FromBool "VarI1FromBool" int, sptr
; res = VarI1FromBool(boolIn, varptr(pcOut))
; boolIn : VARIANT_BOOL -> "int"
; pcOut : LPSTR 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 VarI1FromBool(VARIANT_BOOL boolIn, LPSTR pcOut)
#uselib "OLEAUT32.dll"
#cfunc global VarI1FromBool "VarI1FromBool" int, var
; res = VarI1FromBool(boolIn, pcOut)
; boolIn : VARIANT_BOOL -> "int"
; pcOut : LPSTR 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 VarI1FromBool(VARIANT_BOOL boolIn, LPSTR pcOut)
#uselib "OLEAUT32.dll"
#cfunc global VarI1FromBool "VarI1FromBool" int, intptr
; res = VarI1FromBool(boolIn, varptr(pcOut))
; boolIn : VARIANT_BOOL -> "int"
; pcOut : LPSTR 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 (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVarI1FromBool = oleaut32.NewProc("VarI1FromBool")
)

// boolIn (VARIANT_BOOL), pcOut (LPSTR out)
r1, _, err := procVarI1FromBool.Call(
	uintptr(boolIn),
	uintptr(pcOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function VarI1FromBool(
  boolIn: Smallint;   // VARIANT_BOOL
  pcOut: PAnsiChar   // LPSTR out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'VarI1FromBool';

result := DllCall("OLEAUT32\VarI1FromBool"
    , "Short", boolIn   ; VARIANT_BOOL
    , "Ptr", pcOut   ; LPSTR out
    , "Int")   ; return: HRESULT

●VarI1FromBool(boolIn, pcOut) = DLL("OLEAUT32.dll", "int VarI1FromBool(int, char*)")
# 呼び出し: VarI1FromBool(boolIn, pcOut)
# boolIn : VARIANT_BOOL -> "int"
# pcOut : LPSTR out -> "char*"
# 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)。