Win32 API 日本語リファレンス
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JsIntToNumber

関数
整数値をJavaScriptのNumber値に変換する。
DLLchakra.dll呼出規約winapi

シグネチャ

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

JsErrorCode JsIntToNumber(
    INT intValue,
    void** value
);

パラメーター

名前方向
intValueINTin
valuevoid**out

戻り値の型: JsErrorCode

各言語での呼び出し定義

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

JsErrorCode JsIntToNumber(
    INT intValue,
    void** value
);
[DllImport("chakra.dll", ExactSpelling = true)]
static extern uint JsIntToNumber(
    int intValue,   // INT
    IntPtr value   // void** out
);
<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsIntToNumber(
    intValue As Integer,   ' INT
    value As IntPtr   ' void** out
) As UInteger
End Function
' intValue : INT
' value : void** out
Declare PtrSafe Function JsIntToNumber Lib "chakra" ( _
    ByVal intValue As Long, _
    ByVal value 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

JsIntToNumber = ctypes.windll.chakra.JsIntToNumber
JsIntToNumber.restype = wintypes.DWORD
JsIntToNumber.argtypes = [
    ctypes.c_int,  # intValue : INT
    ctypes.c_void_p,  # value : void** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsIntToNumber = Fiddle::Function.new(
  lib['JsIntToNumber'],
  [
    Fiddle::TYPE_INT,  # intValue : INT
    Fiddle::TYPE_VOIDP,  # value : void** out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "chakra")]
extern "system" {
    fn JsIntToNumber(
        intValue: i32,  // INT
        value: *mut *mut ()  // void** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsIntToNumber(int intValue, IntPtr value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsIntToNumber' -Namespace Win32 -PassThru
# $api::JsIntToNumber(intValue, value)
#uselib "chakra.dll"
#func global JsIntToNumber "JsIntToNumber" sptr, sptr
; JsIntToNumber intValue, value   ; 戻り値は stat
; intValue : INT -> "sptr"
; value : void** 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。
#uselib "chakra.dll"
#cfunc global JsIntToNumber "JsIntToNumber" int, sptr
; res = JsIntToNumber(intValue, value)
; intValue : INT -> "int"
; value : void** out -> "sptr"
; JsErrorCode JsIntToNumber(INT intValue, void** value)
#uselib "chakra.dll"
#cfunc global JsIntToNumber "JsIntToNumber" int, intptr
; res = JsIntToNumber(intValue, value)
; intValue : INT -> "int"
; value : void** out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsIntToNumber = chakra.NewProc("JsIntToNumber")
)

// intValue (INT), value (void** out)
r1, _, err := procJsIntToNumber.Call(
	uintptr(intValue),
	uintptr(value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode
function JsIntToNumber(
  intValue: Integer;   // INT
  value: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsIntToNumber';
result := DllCall("chakra\JsIntToNumber"
    , "Int", intValue   ; INT
    , "Ptr", value   ; void** out
    , "UInt")   ; return: JsErrorCode
●JsIntToNumber(intValue, value) = DLL("chakra.dll", "dword JsIntToNumber(int, void*)")
# 呼び出し: JsIntToNumber(intValue, value)
# intValue : INT -> "int"
# value : void** 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)。