SetCPSUIUserData

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

BOOL SetCPSUIUserData(
    HWND hDlg,
    UINT_PTR CPSUIUserData
);

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

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

import ctypes
from ctypes import wintypes

SetCPSUIUserData = ctypes.windll.compstui.SetCPSUIUserData
SetCPSUIUserData.restype = wintypes.BOOL
SetCPSUIUserData.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
    ctypes.c_size_t,  # CPSUIUserData : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "compstui")]
extern "system" {
    fn SetCPSUIUserData(
        hDlg: *mut core::ffi::c_void,  // HWND
        CPSUIUserData: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMPSTUI.dll")]
public static extern bool SetCPSUIUserData(IntPtr hDlg, UIntPtr CPSUIUserData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMPSTUI_SetCPSUIUserData' -Namespace Win32 -PassThru
# $api::SetCPSUIUserData(hDlg, CPSUIUserData)

#uselib "COMPSTUI.dll"
#func global SetCPSUIUserData "SetCPSUIUserData" sptr, sptr
; SetCPSUIUserData hDlg, CPSUIUserData   ; 戻り値は stat
; hDlg : HWND -> "sptr"
; CPSUIUserData : UINT_PTR -> "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 SetCPSUIUserData "SetCPSUIUserData" sptr, sptr
; res = SetCPSUIUserData(hDlg, CPSUIUserData)
; hDlg : HWND -> "sptr"
; CPSUIUserData : UINT_PTR -> "sptr"

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

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

var (
	compstui = windows.NewLazySystemDLL("COMPSTUI.dll")
	procSetCPSUIUserData = compstui.NewProc("SetCPSUIUserData")
)

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

function SetCPSUIUserData(
  hDlg: THandle;   // HWND
  CPSUIUserData: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'COMPSTUI.dll' name 'SetCPSUIUserData';

result := DllCall("COMPSTUI\SetCPSUIUserData"
    , "Ptr", hDlg   ; HWND
    , "UPtr", CPSUIUserData   ; UINT_PTR
    , "Int")   ; return: BOOL

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