GetStdHandle

関数

標準入力・出力・エラーの標準デバイスハンドルを取得する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり

シグネチャ

// KERNEL32.dll
#include <windows.h>

HANDLE GetStdHandle(
    STD_HANDLE nStdHandle
);

パラメーター

名前	型	方向
nStdHandle	STD_HANDLE	in

戻り値の型: HANDLE

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

HANDLE GetStdHandle(
    STD_HANDLE nStdHandle
);

[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr GetStdHandle(
    uint nStdHandle   // STD_HANDLE
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetStdHandle(
    nStdHandle As UInteger   ' STD_HANDLE
) As IntPtr
End Function

' nStdHandle : STD_HANDLE
Declare PtrSafe Function GetStdHandle Lib "kernel32" ( _
    ByVal nStdHandle As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetStdHandle = ctypes.windll.kernel32.GetStdHandle
GetStdHandle.restype = ctypes.c_void_p
GetStdHandle.argtypes = [
    wintypes.DWORD,  # nStdHandle : STD_HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetStdHandle = Fiddle::Function.new(
  lib['GetStdHandle'],
  [
    -Fiddle::TYPE_INT,  # nStdHandle : STD_HANDLE
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "kernel32")]
extern "system" {
    fn GetStdHandle(
        nStdHandle: u32  // STD_HANDLE
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern IntPtr GetStdHandle(uint nStdHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetStdHandle' -Namespace Win32 -PassThru
# $api::GetStdHandle(nStdHandle)

#uselib "KERNEL32.dll"
#func global GetStdHandle "GetStdHandle" sptr
; GetStdHandle nStdHandle   ; 戻り値は stat
; nStdHandle : STD_HANDLE -> "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 "KERNEL32.dll"
#cfunc global GetStdHandle "GetStdHandle" int
; res = GetStdHandle(nStdHandle)
; nStdHandle : STD_HANDLE -> "int"

; HANDLE GetStdHandle(STD_HANDLE nStdHandle)
#uselib "KERNEL32.dll"
#cfunc global GetStdHandle "GetStdHandle" int
; res = GetStdHandle(nStdHandle)
; nStdHandle : STD_HANDLE -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetStdHandle = kernel32.NewProc("GetStdHandle")
)

// nStdHandle (STD_HANDLE)
r1, _, err := procGetStdHandle.Call(
	uintptr(nStdHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function GetStdHandle(
  nStdHandle: DWORD   // STD_HANDLE
): THandle; stdcall;
  external 'KERNEL32.dll' name 'GetStdHandle';

result := DllCall("KERNEL32\GetStdHandle"
    , "UInt", nStdHandle   ; STD_HANDLE
    , "Ptr")   ; return: HANDLE

●GetStdHandle(nStdHandle) = DLL("KERNEL32.dll", "void* GetStdHandle(dword)")
# 呼び出し: GetStdHandle(nStdHandle)
# nStdHandle : STD_HANDLE -> "dword"
# 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)。