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GetIconInfoExW

関数

アイコンの拡張情報を取得する(Unicode版)。

DLLUSER32.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// USER32.dll  (Unicode / -W)
#include <windows.h>

BOOL GetIconInfoExW(
    HICON hicon,
    ICONINFOEXW* piconinfo
);

パラメーター

名前	型	方向
hicon	HICON	in
piconinfo	ICONINFOEXW*	inout

戻り値の型: BOOL

各言語での呼び出し定義

// USER32.dll  (Unicode / -W)
#include <windows.h>

BOOL GetIconInfoExW(
    HICON hicon,
    ICONINFOEXW* piconinfo
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern bool GetIconInfoExW(
    IntPtr hicon,   // HICON
    IntPtr piconinfo   // ICONINFOEXW* in/out
);

<DllImport("USER32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function GetIconInfoExW(
    hicon As IntPtr,   ' HICON
    piconinfo As IntPtr   ' ICONINFOEXW* in/out
) As Boolean
End Function

' hicon : HICON
' piconinfo : ICONINFOEXW* in/out
Declare PtrSafe Function GetIconInfoExW Lib "user32" ( _
    ByVal hicon As LongPtr, _
    ByVal piconinfo As LongPtr) 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

GetIconInfoExW = ctypes.windll.user32.GetIconInfoExW
GetIconInfoExW.restype = wintypes.BOOL
GetIconInfoExW.argtypes = [
    wintypes.HANDLE,  # hicon : HICON
    ctypes.c_void_p,  # piconinfo : ICONINFOEXW* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetIconInfoExW = Fiddle::Function.new(
  lib['GetIconInfoExW'],
  [
    Fiddle::TYPE_VOIDP,  # hicon : HICON
    Fiddle::TYPE_VOIDP,  # piconinfo : ICONINFOEXW* in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "user32")]
extern "system" {
    fn GetIconInfoExW(
        hicon: *mut core::ffi::c_void,  // HICON
        piconinfo: *mut ICONINFOEXW  // ICONINFOEXW* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Unicode)]
public static extern bool GetIconInfoExW(IntPtr hicon, IntPtr piconinfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetIconInfoExW' -Namespace Win32 -PassThru
# $api::GetIconInfoExW(hicon, piconinfo)

#uselib "USER32.dll"
#func global GetIconInfoExW "GetIconInfoExW" wptr, wptr
; GetIconInfoExW hicon, varptr(piconinfo)   ; 戻り値は stat
; hicon : HICON -> "wptr"
; piconinfo : ICONINFOEXW* in/out -> "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 "USER32.dll"
#cfunc global GetIconInfoExW "GetIconInfoExW" sptr, var
; res = GetIconInfoExW(hicon, piconinfo)
; hicon : HICON -> "sptr"
; piconinfo : ICONINFOEXW* in/out -> "var"
; ※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 "USER32.dll"
#cfunc global GetIconInfoExW "GetIconInfoExW" sptr, sptr
; res = GetIconInfoExW(hicon, varptr(piconinfo))
; hicon : HICON -> "sptr"
; piconinfo : ICONINFOEXW* in/out -> "sptr"
; ※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 GetIconInfoExW(HICON hicon, ICONINFOEXW* piconinfo)
#uselib "USER32.dll"
#cfunc global GetIconInfoExW "GetIconInfoExW" intptr, var
; res = GetIconInfoExW(hicon, piconinfo)
; hicon : HICON -> "intptr"
; piconinfo : ICONINFOEXW* in/out -> "var"
; ※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 GetIconInfoExW(HICON hicon, ICONINFOEXW* piconinfo)
#uselib "USER32.dll"
#cfunc global GetIconInfoExW "GetIconInfoExW" intptr, intptr
; res = GetIconInfoExW(hicon, varptr(piconinfo))
; hicon : HICON -> "intptr"
; piconinfo : ICONINFOEXW* in/out -> "intptr"
; ※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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetIconInfoExW = user32.NewProc("GetIconInfoExW")
)

// hicon (HICON), piconinfo (ICONINFOEXW* in/out)
r1, _, err := procGetIconInfoExW.Call(
	uintptr(hicon),
	uintptr(piconinfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetIconInfoExW(
  hicon: THandle;   // HICON
  piconinfo: Pointer   // ICONINFOEXW* in/out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetIconInfoExW';

result := DllCall("USER32\GetIconInfoExW"
    , "Ptr", hicon   ; HICON
    , "Ptr", piconinfo   ; ICONINFOEXW* in/out
    , "Int")   ; return: BOOL

●GetIconInfoExW(hicon, piconinfo) = DLL("USER32.dll", "bool GetIconInfoExW(void*, void*)")
# 呼び出し: GetIconInfoExW(hicon, piconinfo)
# hicon : HICON -> "void*"
# piconinfo : ICONINFOEXW* in/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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。