GetICMProfileW

// GDI32.dll  (Unicode / -W)
#include <windows.h>

BOOL GetICMProfileW(
    HDC hdc,
    DWORD* pBufSize,
    LPWSTR pszFilename   // optional
);

<DllImport("GDI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function GetICMProfileW(
    hdc As IntPtr,   ' HDC
    ByRef pBufSize As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> pszFilename As System.Text.StringBuilder   ' LPWSTR optional, out
) As Boolean
End Function

' hdc : HDC
' pBufSize : DWORD* in/out
' pszFilename : LPWSTR optional, out
Declare PtrSafe Function GetICMProfileW Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByRef pBufSize As Long, _
    ByVal pszFilename 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

GetICMProfileW = ctypes.windll.gdi32.GetICMProfileW
GetICMProfileW.restype = wintypes.BOOL
GetICMProfileW.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    ctypes.POINTER(wintypes.DWORD),  # pBufSize : DWORD* in/out
    wintypes.LPWSTR,  # pszFilename : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetICMProfileW = Fiddle::Function.new(
  lib['GetICMProfileW'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # pBufSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pszFilename : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "gdi32")]
extern "system" {
    fn GetICMProfileW(
        hdc: *mut core::ffi::c_void,  // HDC
        pBufSize: *mut u32,  // DWORD* in/out
        pszFilename: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", CharSet = CharSet.Unicode)]
public static extern bool GetICMProfileW(IntPtr hdc, ref uint pBufSize, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszFilename);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetICMProfileW' -Namespace Win32 -PassThru
# $api::GetICMProfileW(hdc, pBufSize, pszFilename)

#uselib "GDI32.dll"
#func global GetICMProfileW "GetICMProfileW" wptr, wptr, wptr
; GetICMProfileW hdc, varptr(pBufSize), varptr(pszFilename)   ; 戻り値は stat
; hdc : HDC -> "wptr"
; pBufSize : DWORD* in/out -> "wptr"
; pszFilename : LPWSTR optional, 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 "GDI32.dll"
#cfunc global GetICMProfileW "GetICMProfileW" sptr, var, var
; res = GetICMProfileW(hdc, pBufSize, pszFilename)
; hdc : HDC -> "sptr"
; pBufSize : DWORD* in/out -> "var"
; pszFilename : LPWSTR optional, 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 GetICMProfileW(HDC hdc, DWORD* pBufSize, LPWSTR pszFilename)
#uselib "GDI32.dll"
#cfunc global GetICMProfileW "GetICMProfileW" intptr, var, var
; res = GetICMProfileW(hdc, pBufSize, pszFilename)
; hdc : HDC -> "intptr"
; pBufSize : DWORD* in/out -> "var"
; pszFilename : LPWSTR optional, 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。

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetICMProfileW = gdi32.NewProc("GetICMProfileW")
)

// hdc (HDC), pBufSize (DWORD* in/out), pszFilename (LPWSTR optional, out)
r1, _, err := procGetICMProfileW.Call(
	uintptr(hdc),
	uintptr(pBufSize),
	uintptr(pszFilename),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetICMProfileW(
  hdc: THandle;   // HDC
  pBufSize: Pointer;   // DWORD* in/out
  pszFilename: PWideChar   // LPWSTR optional, out
): BOOL; stdcall;
  external 'GDI32.dll' name 'GetICMProfileW';

result := DllCall("GDI32\GetICMProfileW"
    , "Ptr", hdc   ; HDC
    , "Ptr", pBufSize   ; DWORD* in/out
    , "Ptr", pszFilename   ; LPWSTR optional, out
    , "Int")   ; return: BOOL

●GetICMProfileW(hdc, pBufSize, pszFilename) = DLL("GDI32.dll", "bool GetICMProfileW(void*, void*, char*)")
# 呼び出し: GetICMProfileW(hdc, pBufSize, pszFilename)
# hdc : HDC -> "void*"
# pBufSize : DWORD* in/out -> "void*"
# pszFilename : LPWSTR optional, out -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。