CreateColorTransformW

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

INT_PTR CreateColorTransformW(
    LOGCOLORSPACEW* pLogColorSpace,
    INT_PTR hDestProfile,
    INT_PTR hTargetProfile,
    DWORD dwFlags
);

<DllImport("mscms.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CreateColorTransformW(
    pLogColorSpace As IntPtr,   ' LOGCOLORSPACEW*
    hDestProfile As IntPtr,   ' INT_PTR
    hTargetProfile As IntPtr,   ' INT_PTR
    dwFlags As UInteger   ' DWORD
) As IntPtr
End Function

' pLogColorSpace : LOGCOLORSPACEW*
' hDestProfile : INT_PTR
' hTargetProfile : INT_PTR
' dwFlags : DWORD
Declare PtrSafe Function CreateColorTransformW Lib "mscms" ( _
    ByVal pLogColorSpace As LongPtr, _
    ByVal hDestProfile As LongPtr, _
    ByVal hTargetProfile As LongPtr, _
    ByVal dwFlags As Long) As LongPtr
' 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

CreateColorTransformW = ctypes.windll.mscms.CreateColorTransformW
CreateColorTransformW.restype = ctypes.c_ssize_t
CreateColorTransformW.argtypes = [
    ctypes.c_void_p,  # pLogColorSpace : LOGCOLORSPACEW*
    ctypes.c_ssize_t,  # hDestProfile : INT_PTR
    ctypes.c_ssize_t,  # hTargetProfile : INT_PTR
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mscms.dll')
CreateColorTransformW = Fiddle::Function.new(
  lib['CreateColorTransformW'],
  [
    Fiddle::TYPE_VOIDP,  # pLogColorSpace : LOGCOLORSPACEW*
    Fiddle::TYPE_INTPTR_T,  # hDestProfile : INT_PTR
    Fiddle::TYPE_INTPTR_T,  # hTargetProfile : INT_PTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INTPTR_T)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "mscms")]
extern "system" {
    fn CreateColorTransformW(
        pLogColorSpace: *mut LOGCOLORSPACEW,  // LOGCOLORSPACEW*
        hDestProfile: isize,  // INT_PTR
        hTargetProfile: isize,  // INT_PTR
        dwFlags: u32  // DWORD
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mscms.dll", CharSet = CharSet.Unicode)]
public static extern IntPtr CreateColorTransformW(IntPtr pLogColorSpace, IntPtr hDestProfile, IntPtr hTargetProfile, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mscms_CreateColorTransformW' -Namespace Win32 -PassThru
# $api::CreateColorTransformW(pLogColorSpace, hDestProfile, hTargetProfile, dwFlags)

#uselib "mscms.dll"
#func global CreateColorTransformW "CreateColorTransformW" wptr, wptr, wptr, wptr
; CreateColorTransformW varptr(pLogColorSpace), hDestProfile, hTargetProfile, dwFlags   ; 戻り値は stat
; pLogColorSpace : LOGCOLORSPACEW* -> "wptr"
; hDestProfile : INT_PTR -> "wptr"
; hTargetProfile : INT_PTR -> "wptr"
; dwFlags : 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。

#uselib "mscms.dll"
#cfunc global CreateColorTransformW "CreateColorTransformW" var, sptr, sptr, int
; res = CreateColorTransformW(pLogColorSpace, hDestProfile, hTargetProfile, dwFlags)
; pLogColorSpace : LOGCOLORSPACEW* -> "var"
; hDestProfile : INT_PTR -> "sptr"
; hTargetProfile : INT_PTR -> "sptr"
; dwFlags : 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。

; INT_PTR CreateColorTransformW(LOGCOLORSPACEW* pLogColorSpace, INT_PTR hDestProfile, INT_PTR hTargetProfile, DWORD dwFlags)
#uselib "mscms.dll"
#cfunc global CreateColorTransformW "CreateColorTransformW" var, intptr, intptr, int
; res = CreateColorTransformW(pLogColorSpace, hDestProfile, hTargetProfile, dwFlags)
; pLogColorSpace : LOGCOLORSPACEW* -> "var"
; hDestProfile : INT_PTR -> "intptr"
; hTargetProfile : INT_PTR -> "intptr"
; dwFlags : 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。

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

var (
	mscms = windows.NewLazySystemDLL("mscms.dll")
	procCreateColorTransformW = mscms.NewProc("CreateColorTransformW")
)

// pLogColorSpace (LOGCOLORSPACEW*), hDestProfile (INT_PTR), hTargetProfile (INT_PTR), dwFlags (DWORD)
r1, _, err := procCreateColorTransformW.Call(
	uintptr(pLogColorSpace),
	uintptr(hDestProfile),
	uintptr(hTargetProfile),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT_PTR

function CreateColorTransformW(
  pLogColorSpace: Pointer;   // LOGCOLORSPACEW*
  hDestProfile: NativeInt;   // INT_PTR
  hTargetProfile: NativeInt;   // INT_PTR
  dwFlags: DWORD   // DWORD
): NativeInt; stdcall;
  external 'mscms.dll' name 'CreateColorTransformW';

result := DllCall("mscms\CreateColorTransformW"
    , "Ptr", pLogColorSpace   ; LOGCOLORSPACEW*
    , "Ptr", hDestProfile   ; INT_PTR
    , "Ptr", hTargetProfile   ; INT_PTR
    , "UInt", dwFlags   ; DWORD
    , "Ptr")   ; return: INT_PTR

●CreateColorTransformW(pLogColorSpace, hDestProfile, hTargetProfile, dwFlags) = DLL("mscms.dll", "int CreateColorTransformW(void*, int, int, dword)")
# 呼び出し: CreateColorTransformW(pLogColorSpace, hDestProfile, hTargetProfile, dwFlags)
# pLogColorSpace : LOGCOLORSPACEW* -> "void*"
# hDestProfile : INT_PTR -> "int"
# hTargetProfile : INT_PTR -> "int"
# dwFlags : 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。