WinExec

関数

指定のコマンドラインのアプリケーションを実行する(旧式)。

DLLKERNEL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD WinExec(
    LPCSTR lpCmdLine,
    DWORD uCmdShow
);

パラメーター

名前	型	方向
lpCmdLine	LPCSTR	in
uCmdShow	DWORD	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WinExec(
    LPCSTR lpCmdLine,
    DWORD uCmdShow
);

[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern uint WinExec(
    [MarshalAs(UnmanagedType.LPStr)] string lpCmdLine,   // LPCSTR
    uint uCmdShow   // DWORD
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function WinExec(
    <MarshalAs(UnmanagedType.LPStr)> lpCmdLine As String,   ' LPCSTR
    uCmdShow As UInteger   ' DWORD
) As UInteger
End Function

' lpCmdLine : LPCSTR
' uCmdShow : DWORD
Declare PtrSafe Function WinExec Lib "kernel32" ( _
    ByVal lpCmdLine As String, _
    ByVal uCmdShow As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WinExec = ctypes.windll.kernel32.WinExec
WinExec.restype = wintypes.DWORD
WinExec.argtypes = [
    wintypes.LPCSTR,  # lpCmdLine : LPCSTR
    wintypes.DWORD,  # uCmdShow : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
WinExec = Fiddle::Function.new(
  lib['WinExec'],
  [
    Fiddle::TYPE_VOIDP,  # lpCmdLine : LPCSTR
    -Fiddle::TYPE_INT,  # uCmdShow : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn WinExec(
        lpCmdLine: *const u8,  // LPCSTR
        uCmdShow: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint WinExec([MarshalAs(UnmanagedType.LPStr)] string lpCmdLine, uint uCmdShow);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_WinExec' -Namespace Win32 -PassThru
# $api::WinExec(lpCmdLine, uCmdShow)

#uselib "KERNEL32.dll"
#func global WinExec "WinExec" sptr, sptr
; WinExec lpCmdLine, uCmdShow   ; 戻り値は stat
; lpCmdLine : LPCSTR -> "sptr"
; uCmdShow : DWORD -> "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 WinExec "WinExec" str, int
; res = WinExec(lpCmdLine, uCmdShow)
; lpCmdLine : LPCSTR -> "str"
; uCmdShow : DWORD -> "int"

; DWORD WinExec(LPCSTR lpCmdLine, DWORD uCmdShow)
#uselib "KERNEL32.dll"
#cfunc global WinExec "WinExec" str, int
; res = WinExec(lpCmdLine, uCmdShow)
; lpCmdLine : LPCSTR -> "str"
; uCmdShow : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procWinExec = kernel32.NewProc("WinExec")
)

// lpCmdLine (LPCSTR), uCmdShow (DWORD)
r1, _, err := procWinExec.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpCmdLine))),
	uintptr(uCmdShow),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinExec(
  lpCmdLine: PAnsiChar;   // LPCSTR
  uCmdShow: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'WinExec';

result := DllCall("KERNEL32\WinExec"
    , "AStr", lpCmdLine   ; LPCSTR
    , "UInt", uCmdShow   ; DWORD
    , "UInt")   ; return: DWORD

●WinExec(lpCmdLine, uCmdShow) = DLL("KERNEL32.dll", "dword WinExec(char*, dword)")
# 呼び出し: WinExec(lpCmdLine, uCmdShow)
# lpCmdLine : LPCSTR -> "char*"
# uCmdShow : DWORD -> "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)。