GetPointerCursorId

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

BOOL GetPointerCursorId(
    DWORD pointerId,
    DWORD* cursorId
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerCursorId(
    pointerId As UInteger,   ' DWORD
    <Out> ByRef cursorId As UInteger   ' DWORD* out
) As Boolean
End Function

' pointerId : DWORD
' cursorId : DWORD* out
Declare PtrSafe Function GetPointerCursorId Lib "user32" ( _
    ByVal pointerId As Long, _
    ByRef cursorId 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

GetPointerCursorId = ctypes.windll.user32.GetPointerCursorId
GetPointerCursorId.restype = wintypes.BOOL
GetPointerCursorId.argtypes = [
    wintypes.DWORD,  # pointerId : DWORD
    ctypes.POINTER(wintypes.DWORD),  # cursorId : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetPointerCursorId = Fiddle::Function.new(
  lib['GetPointerCursorId'],
  [
    -Fiddle::TYPE_INT,  # pointerId : DWORD
    Fiddle::TYPE_VOIDP,  # cursorId : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetPointerCursorId(
        pointerId: u32,  // DWORD
        cursorId: *mut u32  // DWORD* out
    ) -> 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 GetPointerCursorId(uint pointerId, out uint cursorId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerCursorId' -Namespace Win32 -PassThru
# $api::GetPointerCursorId(pointerId, cursorId)

#uselib "USER32.dll"
#func global GetPointerCursorId "GetPointerCursorId" sptr, sptr
; GetPointerCursorId pointerId, varptr(cursorId)   ; 戻り値は stat
; pointerId : DWORD -> "sptr"
; cursorId : 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 "USER32.dll"
#cfunc global GetPointerCursorId "GetPointerCursorId" int, var
; res = GetPointerCursorId(pointerId, cursorId)
; pointerId : DWORD -> "int"
; cursorId : 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 GetPointerCursorId(DWORD pointerId, DWORD* cursorId)
#uselib "USER32.dll"
#cfunc global GetPointerCursorId "GetPointerCursorId" int, var
; res = GetPointerCursorId(pointerId, cursorId)
; pointerId : DWORD -> "int"
; cursorId : 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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetPointerCursorId = user32.NewProc("GetPointerCursorId")
)

// pointerId (DWORD), cursorId (DWORD* out)
r1, _, err := procGetPointerCursorId.Call(
	uintptr(pointerId),
	uintptr(cursorId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetPointerCursorId(
  pointerId: DWORD;   // DWORD
  cursorId: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerCursorId';

result := DllCall("USER32\GetPointerCursorId"
    , "UInt", pointerId   ; DWORD
    , "Ptr", cursorId   ; DWORD* out
    , "Int")   ; return: BOOL

●GetPointerCursorId(pointerId, cursorId) = DLL("USER32.dll", "bool GetPointerCursorId(dword, void*)")
# 呼び出し: GetPointerCursorId(pointerId, cursorId)
# pointerId : DWORD -> "dword"
# cursorId : 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)。