GetCountColorProfileElements

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

BOOL GetCountColorProfileElements(
    INT_PTR hProfile,
    DWORD* pnElementCount
);

<DllImport("mscms.dll", ExactSpelling:=True)>
Public Shared Function GetCountColorProfileElements(
    hProfile As IntPtr,   ' INT_PTR
    <Out> ByRef pnElementCount As UInteger   ' DWORD* out
) As Boolean
End Function

' hProfile : INT_PTR
' pnElementCount : DWORD* out
Declare PtrSafe Function GetCountColorProfileElements Lib "mscms" ( _
    ByVal hProfile As LongPtr, _
    ByRef pnElementCount As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetCountColorProfileElements = ctypes.windll.mscms.GetCountColorProfileElements
GetCountColorProfileElements.restype = wintypes.BOOL
GetCountColorProfileElements.argtypes = [
    ctypes.c_ssize_t,  # hProfile : INT_PTR
    ctypes.POINTER(wintypes.DWORD),  # pnElementCount : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mscms.dll')
GetCountColorProfileElements = Fiddle::Function.new(
  lib['GetCountColorProfileElements'],
  [
    Fiddle::TYPE_INTPTR_T,  # hProfile : INT_PTR
    Fiddle::TYPE_VOIDP,  # pnElementCount : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscms")]
extern "system" {
    fn GetCountColorProfileElements(
        hProfile: isize,  // INT_PTR
        pnElementCount: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("mscms.dll")]
public static extern bool GetCountColorProfileElements(IntPtr hProfile, out uint pnElementCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mscms_GetCountColorProfileElements' -Namespace Win32 -PassThru
# $api::GetCountColorProfileElements(hProfile, pnElementCount)

#uselib "mscms.dll"
#func global GetCountColorProfileElements "GetCountColorProfileElements" sptr, sptr
; GetCountColorProfileElements hProfile, varptr(pnElementCount)   ; 戻り値は stat
; hProfile : INT_PTR -> "sptr"
; pnElementCount : DWORD* out -> "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。

#uselib "mscms.dll"
#cfunc global GetCountColorProfileElements "GetCountColorProfileElements" sptr, var
; res = GetCountColorProfileElements(hProfile, pnElementCount)
; hProfile : INT_PTR -> "sptr"
; pnElementCount : DWORD* 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 GetCountColorProfileElements(INT_PTR hProfile, DWORD* pnElementCount)
#uselib "mscms.dll"
#cfunc global GetCountColorProfileElements "GetCountColorProfileElements" intptr, var
; res = GetCountColorProfileElements(hProfile, pnElementCount)
; hProfile : INT_PTR -> "intptr"
; pnElementCount : DWORD* 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 (
	mscms = windows.NewLazySystemDLL("mscms.dll")
	procGetCountColorProfileElements = mscms.NewProc("GetCountColorProfileElements")
)

// hProfile (INT_PTR), pnElementCount (DWORD* out)
r1, _, err := procGetCountColorProfileElements.Call(
	uintptr(hProfile),
	uintptr(pnElementCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetCountColorProfileElements(
  hProfile: NativeInt;   // INT_PTR
  pnElementCount: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'mscms.dll' name 'GetCountColorProfileElements';

result := DllCall("mscms\GetCountColorProfileElements"
    , "Ptr", hProfile   ; INT_PTR
    , "Ptr", pnElementCount   ; DWORD* out
    , "Int")   ; return: BOOL

●GetCountColorProfileElements(hProfile, pnElementCount) = DLL("mscms.dll", "bool GetCountColorProfileElements(int, void*)")
# 呼び出し: GetCountColorProfileElements(hProfile, pnElementCount)
# hProfile : INT_PTR -> "int"
# pnElementCount : DWORD* 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)。