phoneGetIconW

// TAPI32.dll  (Unicode / -W)
#include <windows.h>

INT phoneGetIconW(
    DWORD dwDeviceID,
    LPCWSTR lpszDeviceClass,
    HICON* lphIcon
);

<DllImport("TAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function phoneGetIconW(
    dwDeviceID As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpszDeviceClass As String,   ' LPCWSTR
    lphIcon As IntPtr   ' HICON* in/out
) As Integer
End Function

' dwDeviceID : DWORD
' lpszDeviceClass : LPCWSTR
' lphIcon : HICON* in/out
Declare PtrSafe Function phoneGetIconW Lib "tapi32" ( _
    ByVal dwDeviceID As Long, _
    ByVal lpszDeviceClass As LongPtr, _
    ByVal lphIcon 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

phoneGetIconW = ctypes.windll.tapi32.phoneGetIconW
phoneGetIconW.restype = ctypes.c_int
phoneGetIconW.argtypes = [
    wintypes.DWORD,  # dwDeviceID : DWORD
    wintypes.LPCWSTR,  # lpszDeviceClass : LPCWSTR
    ctypes.c_void_p,  # lphIcon : HICON* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
phoneGetIconW = Fiddle::Function.new(
  lib['phoneGetIconW'],
  [
    -Fiddle::TYPE_INT,  # dwDeviceID : DWORD
    Fiddle::TYPE_VOIDP,  # lpszDeviceClass : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lphIcon : HICON* in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "tapi32")]
extern "system" {
    fn phoneGetIconW(
        dwDeviceID: u32,  // DWORD
        lpszDeviceClass: *const u16,  // LPCWSTR
        lphIcon: *mut *mut core::ffi::c_void  // HICON* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Unicode)]
public static extern int phoneGetIconW(uint dwDeviceID, [MarshalAs(UnmanagedType.LPWStr)] string lpszDeviceClass, IntPtr lphIcon);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_phoneGetIconW' -Namespace Win32 -PassThru
# $api::phoneGetIconW(dwDeviceID, lpszDeviceClass, lphIcon)

#uselib "TAPI32.dll"
#func global phoneGetIconW "phoneGetIconW" wptr, wptr, wptr
; phoneGetIconW dwDeviceID, lpszDeviceClass, lphIcon   ; 戻り値は stat
; dwDeviceID : DWORD -> "wptr"
; lpszDeviceClass : LPCWSTR -> "wptr"
; lphIcon : HICON* 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。

#uselib "TAPI32.dll"
#cfunc global phoneGetIconW "phoneGetIconW" int, wstr, sptr
; res = phoneGetIconW(dwDeviceID, lpszDeviceClass, lphIcon)
; dwDeviceID : DWORD -> "int"
; lpszDeviceClass : LPCWSTR -> "wstr"
; lphIcon : HICON* in/out -> "sptr"

; INT phoneGetIconW(DWORD dwDeviceID, LPCWSTR lpszDeviceClass, HICON* lphIcon)
#uselib "TAPI32.dll"
#cfunc global phoneGetIconW "phoneGetIconW" int, wstr, intptr
; res = phoneGetIconW(dwDeviceID, lpszDeviceClass, lphIcon)
; dwDeviceID : DWORD -> "int"
; lpszDeviceClass : LPCWSTR -> "wstr"
; lphIcon : HICON* in/out -> "intptr"

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

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	procphoneGetIconW = tapi32.NewProc("phoneGetIconW")
)

// dwDeviceID (DWORD), lpszDeviceClass (LPCWSTR), lphIcon (HICON* in/out)
r1, _, err := procphoneGetIconW.Call(
	uintptr(dwDeviceID),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszDeviceClass))),
	uintptr(lphIcon),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function phoneGetIconW(
  dwDeviceID: DWORD;   // DWORD
  lpszDeviceClass: PWideChar;   // LPCWSTR
  lphIcon: Pointer   // HICON* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneGetIconW';

result := DllCall("TAPI32\phoneGetIconW"
    , "UInt", dwDeviceID   ; DWORD
    , "WStr", lpszDeviceClass   ; LPCWSTR
    , "Ptr", lphIcon   ; HICON* in/out
    , "Int")   ; return: INT

●phoneGetIconW(dwDeviceID, lpszDeviceClass, lphIcon) = DLL("TAPI32.dll", "int phoneGetIconW(dword, char*, void*)")
# 呼び出し: phoneGetIconW(dwDeviceID, lpszDeviceClass, lphIcon)
# dwDeviceID : DWORD -> "dword"
# lpszDeviceClass : LPCWSTR -> "char*"
# lphIcon : HICON* 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。