GetCPSUIUserData

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

UINT_PTR GetCPSUIUserData(
    HWND hDlg
);

<DllImport("COMPSTUI.dll", ExactSpelling:=True)>
Public Shared Function GetCPSUIUserData(
    hDlg As IntPtr   ' HWND
) As UIntPtr
End Function

' hDlg : HWND
Declare PtrSafe Function GetCPSUIUserData Lib "compstui" ( _
    ByVal hDlg As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetCPSUIUserData = ctypes.windll.compstui.GetCPSUIUserData
GetCPSUIUserData.restype = ctypes.c_size_t
GetCPSUIUserData.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMPSTUI.dll')
GetCPSUIUserData = Fiddle::Function.new(
  lib['GetCPSUIUserData'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
  ],
  Fiddle::TYPE_UINTPTR_T)

#[link(name = "compstui")]
extern "system" {
    fn GetCPSUIUserData(
        hDlg: *mut core::ffi::c_void  // HWND
    ) -> usize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMPSTUI.dll")]
public static extern UIntPtr GetCPSUIUserData(IntPtr hDlg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMPSTUI_GetCPSUIUserData' -Namespace Win32 -PassThru
# $api::GetCPSUIUserData(hDlg)

#uselib "COMPSTUI.dll"
#func global GetCPSUIUserData "GetCPSUIUserData" sptr
; GetCPSUIUserData hDlg   ; 戻り値は stat
; hDlg : HWND -> "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 "COMPSTUI.dll"
#cfunc global GetCPSUIUserData "GetCPSUIUserData" sptr
; res = GetCPSUIUserData(hDlg)
; hDlg : HWND -> "sptr"

; UINT_PTR GetCPSUIUserData(HWND hDlg)
#uselib "COMPSTUI.dll"
#cfunc global GetCPSUIUserData "GetCPSUIUserData" intptr
; res = GetCPSUIUserData(hDlg)
; hDlg : HWND -> "intptr"

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

var (
	compstui = windows.NewLazySystemDLL("COMPSTUI.dll")
	procGetCPSUIUserData = compstui.NewProc("GetCPSUIUserData")
)

// hDlg (HWND)
r1, _, err := procGetCPSUIUserData.Call(
	uintptr(hDlg),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UINT_PTR

function GetCPSUIUserData(
  hDlg: THandle   // HWND
): NativeUInt; stdcall;
  external 'COMPSTUI.dll' name 'GetCPSUIUserData';

result := DllCall("COMPSTUI\GetCPSUIUserData"
    , "Ptr", hDlg   ; HWND
    , "UPtr")   ; return: UINT_PTR

●GetCPSUIUserData(hDlg) = DLL("COMPSTUI.dll", "int GetCPSUIUserData(void*)")
# 呼び出し: GetCPSUIUserData(hDlg)
# hDlg : HWND -> "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)。