Str_SetPtrW

関数

文字列ポインタの内容を割り当てて複製する(Unicode版)。

DLLCOMCTL32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// COMCTL32.dll
#include <windows.h>

BOOL Str_SetPtrW(
    LPWSTR* ppsz,
    LPCWSTR psz   // optional
);

パラメーター

名前	型	方向
ppsz	LPWSTR*	inout
psz	LPCWSTR	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// COMCTL32.dll
#include <windows.h>

BOOL Str_SetPtrW(
    LPWSTR* ppsz,
    LPCWSTR psz   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll", ExactSpelling = true)]
static extern bool Str_SetPtrW(
    IntPtr ppsz,   // LPWSTR* in/out
    [MarshalAs(UnmanagedType.LPWStr)] string psz   // LPCWSTR optional
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function Str_SetPtrW(
    ppsz As IntPtr,   ' LPWSTR* in/out
    <MarshalAs(UnmanagedType.LPWStr)> psz As String   ' LPCWSTR optional
) As Boolean
End Function

' ppsz : LPWSTR* in/out
' psz : LPCWSTR optional
Declare PtrSafe Function Str_SetPtrW Lib "comctl32" ( _
    ByVal ppsz As LongPtr, _
    ByVal psz 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

Str_SetPtrW = ctypes.windll.comctl32.Str_SetPtrW
Str_SetPtrW.restype = wintypes.BOOL
Str_SetPtrW.argtypes = [
    ctypes.c_void_p,  # ppsz : LPWSTR* in/out
    wintypes.LPCWSTR,  # psz : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
Str_SetPtrW = Fiddle::Function.new(
  lib['Str_SetPtrW'],
  [
    Fiddle::TYPE_VOIDP,  # ppsz : LPWSTR* in/out
    Fiddle::TYPE_VOIDP,  # psz : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn Str_SetPtrW(
        ppsz: *mut *mut u16,  // LPWSTR* in/out
        psz: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool Str_SetPtrW(IntPtr ppsz, [MarshalAs(UnmanagedType.LPWStr)] string psz);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_Str_SetPtrW' -Namespace Win32 -PassThru
# $api::Str_SetPtrW(ppsz, psz)

#uselib "COMCTL32.dll"
#func global Str_SetPtrW "Str_SetPtrW" sptr, sptr
; Str_SetPtrW varptr(ppsz), psz   ; 戻り値は stat
; ppsz : LPWSTR* in/out -> "sptr"
; psz : LPCWSTR optional -> "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 "COMCTL32.dll"
#cfunc global Str_SetPtrW "Str_SetPtrW" var, wstr
; res = Str_SetPtrW(ppsz, psz)
; ppsz : LPWSTR* in/out -> "var"
; psz : LPCWSTR optional -> "wstr"
; ※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 "COMCTL32.dll"
#cfunc global Str_SetPtrW "Str_SetPtrW" sptr, wstr
; res = Str_SetPtrW(varptr(ppsz), psz)
; ppsz : LPWSTR* in/out -> "sptr"
; psz : LPCWSTR optional -> "wstr"
; ※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:

; BOOL Str_SetPtrW(LPWSTR* ppsz, LPCWSTR psz)
#uselib "COMCTL32.dll"
#cfunc global Str_SetPtrW "Str_SetPtrW" var, wstr
; res = Str_SetPtrW(ppsz, psz)
; ppsz : LPWSTR* in/out -> "var"
; psz : LPCWSTR optional -> "wstr"
; ※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。; BOOL Str_SetPtrW(LPWSTR* ppsz, LPCWSTR psz)
#uselib "COMCTL32.dll"
#cfunc global Str_SetPtrW "Str_SetPtrW" intptr, wstr
; res = Str_SetPtrW(varptr(ppsz), psz)
; ppsz : LPWSTR* in/out -> "intptr"
; psz : LPCWSTR optional -> "wstr"
; ※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 (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procStr_SetPtrW = comctl32.NewProc("Str_SetPtrW")
)

// ppsz (LPWSTR* in/out), psz (LPCWSTR optional)
r1, _, err := procStr_SetPtrW.Call(
	uintptr(ppsz),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(psz))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function Str_SetPtrW(
  ppsz: PPWideChar;   // LPWSTR* in/out
  psz: PWideChar   // LPCWSTR optional
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'Str_SetPtrW';

result := DllCall("COMCTL32\Str_SetPtrW"
    , "Ptr", ppsz   ; LPWSTR* in/out
    , "WStr", psz   ; LPCWSTR optional
    , "Int")   ; return: BOOL

●Str_SetPtrW(ppsz, psz) = DLL("COMCTL32.dll", "bool Str_SetPtrW(void*, char*)")
# 呼び出し: Str_SetPtrW(ppsz, psz)
# ppsz : LPWSTR* in/out -> "void*"
# psz : LPCWSTR optional -> "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)。