GetConsoleTitleW

関数

コンソールウィンドウのタイトル文字列を取得する(Unicode版)。

DLLKERNEL32.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり

シグネチャ

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

DWORD GetConsoleTitleW(
    LPWSTR lpConsoleTitle,
    DWORD nSize
);

パラメーター

名前	型	方向
lpConsoleTitle	LPWSTR	out
nSize	DWORD	in

戻り値の型: DWORD

各言語での呼び出し定義

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

DWORD GetConsoleTitleW(
    LPWSTR lpConsoleTitle,
    DWORD nSize
);

[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern uint GetConsoleTitleW(
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpConsoleTitle,   // LPWSTR out
    uint nSize   // DWORD
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetConsoleTitleW(
    <MarshalAs(UnmanagedType.LPWStr)> lpConsoleTitle As System.Text.StringBuilder,   ' LPWSTR out
    nSize As UInteger   ' DWORD
) As UInteger
End Function

' lpConsoleTitle : LPWSTR out
' nSize : DWORD
Declare PtrSafe Function GetConsoleTitleW Lib "kernel32" ( _
    ByVal lpConsoleTitle As LongPtr, _
    ByVal nSize As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetConsoleTitleW = ctypes.windll.kernel32.GetConsoleTitleW
GetConsoleTitleW.restype = wintypes.DWORD
GetConsoleTitleW.argtypes = [
    wintypes.LPWSTR,  # lpConsoleTitle : LPWSTR out
    wintypes.DWORD,  # nSize : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetConsoleTitleW = Fiddle::Function.new(
  lib['GetConsoleTitleW'],
  [
    Fiddle::TYPE_VOIDP,  # lpConsoleTitle : LPWSTR out
    -Fiddle::TYPE_INT,  # nSize : DWORD
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn GetConsoleTitleW(
        lpConsoleTitle: *mut u16,  // LPWSTR out
        nSize: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern uint GetConsoleTitleW([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpConsoleTitle, uint nSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetConsoleTitleW' -Namespace Win32 -PassThru
# $api::GetConsoleTitleW(lpConsoleTitle, nSize)

#uselib "KERNEL32.dll"
#func global GetConsoleTitleW "GetConsoleTitleW" wptr, wptr
; GetConsoleTitleW varptr(lpConsoleTitle), nSize   ; 戻り値は stat
; lpConsoleTitle : LPWSTR out -> "wptr"
; nSize : DWORD -> "wptr"
; ※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 "KERNEL32.dll"
#cfunc global GetConsoleTitleW "GetConsoleTitleW" var, int
; res = GetConsoleTitleW(lpConsoleTitle, nSize)
; lpConsoleTitle : LPWSTR out -> "var"
; nSize : DWORD -> "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。#uselib "KERNEL32.dll"
#cfunc global GetConsoleTitleW "GetConsoleTitleW" sptr, int
; res = GetConsoleTitleW(varptr(lpConsoleTitle), nSize)
; lpConsoleTitle : LPWSTR out -> "sptr"
; nSize : DWORD -> "int"
; ※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:

; DWORD GetConsoleTitleW(LPWSTR lpConsoleTitle, DWORD nSize)
#uselib "KERNEL32.dll"
#cfunc global GetConsoleTitleW "GetConsoleTitleW" var, int
; res = GetConsoleTitleW(lpConsoleTitle, nSize)
; lpConsoleTitle : LPWSTR out -> "var"
; nSize : DWORD -> "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。; DWORD GetConsoleTitleW(LPWSTR lpConsoleTitle, DWORD nSize)
#uselib "KERNEL32.dll"
#cfunc global GetConsoleTitleW "GetConsoleTitleW" intptr, int
; res = GetConsoleTitleW(varptr(lpConsoleTitle), nSize)
; lpConsoleTitle : LPWSTR out -> "intptr"
; nSize : DWORD -> "int"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetConsoleTitleW = kernel32.NewProc("GetConsoleTitleW")
)

// lpConsoleTitle (LPWSTR out), nSize (DWORD)
r1, _, err := procGetConsoleTitleW.Call(
	uintptr(lpConsoleTitle),
	uintptr(nSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetConsoleTitleW(
  lpConsoleTitle: PWideChar;   // LPWSTR out
  nSize: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetConsoleTitleW';

result := DllCall("KERNEL32\GetConsoleTitleW"
    , "Ptr", lpConsoleTitle   ; LPWSTR out
    , "UInt", nSize   ; DWORD
    , "UInt")   ; return: DWORD

●GetConsoleTitleW(lpConsoleTitle, nSize) = DLL("KERNEL32.dll", "dword GetConsoleTitleW(char*, dword)")
# 呼び出し: GetConsoleTitleW(lpConsoleTitle, nSize)
# lpConsoleTitle : LPWSTR out -> "char*"
# nSize : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。