EnableScrollBar

// USER32.dll
#include <windows.h>

BOOL EnableScrollBar(
    HWND hWnd,
    DWORD wSBflags,
    ENABLE_SCROLL_BAR_ARROWS wArrows
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnableScrollBar(
    hWnd As IntPtr,   ' HWND
    wSBflags As UInteger,   ' DWORD
    wArrows As UInteger   ' ENABLE_SCROLL_BAR_ARROWS
) As Boolean
End Function

' hWnd : HWND
' wSBflags : DWORD
' wArrows : ENABLE_SCROLL_BAR_ARROWS
Declare PtrSafe Function EnableScrollBar Lib "user32" ( _
    ByVal hWnd As LongPtr, _
    ByVal wSBflags As Long, _
    ByVal wArrows 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

EnableScrollBar = ctypes.windll.user32.EnableScrollBar
EnableScrollBar.restype = wintypes.BOOL
EnableScrollBar.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.DWORD,  # wSBflags : DWORD
    wintypes.DWORD,  # wArrows : ENABLE_SCROLL_BAR_ARROWS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
EnableScrollBar = Fiddle::Function.new(
  lib['EnableScrollBar'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -Fiddle::TYPE_INT,  # wSBflags : DWORD
    -Fiddle::TYPE_INT,  # wArrows : ENABLE_SCROLL_BAR_ARROWS
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn EnableScrollBar(
        hWnd: *mut core::ffi::c_void,  // HWND
        wSBflags: u32,  // DWORD
        wArrows: u32  // ENABLE_SCROLL_BAR_ARROWS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool EnableScrollBar(IntPtr hWnd, uint wSBflags, uint wArrows);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_EnableScrollBar' -Namespace Win32 -PassThru
# $api::EnableScrollBar(hWnd, wSBflags, wArrows)

#uselib "USER32.dll"
#func global EnableScrollBar "EnableScrollBar" sptr, sptr, sptr
; EnableScrollBar hWnd, wSBflags, wArrows   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; wSBflags : DWORD -> "sptr"
; wArrows : ENABLE_SCROLL_BAR_ARROWS -> "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 "USER32.dll"
#cfunc global EnableScrollBar "EnableScrollBar" sptr, int, int
; res = EnableScrollBar(hWnd, wSBflags, wArrows)
; hWnd : HWND -> "sptr"
; wSBflags : DWORD -> "int"
; wArrows : ENABLE_SCROLL_BAR_ARROWS -> "int"

; BOOL EnableScrollBar(HWND hWnd, DWORD wSBflags, ENABLE_SCROLL_BAR_ARROWS wArrows)
#uselib "USER32.dll"
#cfunc global EnableScrollBar "EnableScrollBar" intptr, int, int
; res = EnableScrollBar(hWnd, wSBflags, wArrows)
; hWnd : HWND -> "intptr"
; wSBflags : DWORD -> "int"
; wArrows : ENABLE_SCROLL_BAR_ARROWS -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procEnableScrollBar = user32.NewProc("EnableScrollBar")
)

// hWnd (HWND), wSBflags (DWORD), wArrows (ENABLE_SCROLL_BAR_ARROWS)
r1, _, err := procEnableScrollBar.Call(
	uintptr(hWnd),
	uintptr(wSBflags),
	uintptr(wArrows),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnableScrollBar(
  hWnd: THandle;   // HWND
  wSBflags: DWORD;   // DWORD
  wArrows: DWORD   // ENABLE_SCROLL_BAR_ARROWS
): BOOL; stdcall;
  external 'USER32.dll' name 'EnableScrollBar';

result := DllCall("USER32\EnableScrollBar"
    , "Ptr", hWnd   ; HWND
    , "UInt", wSBflags   ; DWORD
    , "UInt", wArrows   ; ENABLE_SCROLL_BAR_ARROWS
    , "Int")   ; return: BOOL

●EnableScrollBar(hWnd, wSBflags, wArrows) = DLL("USER32.dll", "bool EnableScrollBar(void*, dword, dword)")
# 呼び出し: EnableScrollBar(hWnd, wSBflags, wArrows)
# hWnd : HWND -> "void*"
# wSBflags : DWORD -> "dword"
# wArrows : ENABLE_SCROLL_BAR_ARROWS -> "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)。