RegisterPointerInputTargetEx

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

BOOL RegisterPointerInputTargetEx(
    HWND hwnd,
    POINTER_INPUT_TYPE pointerType,
    BOOL fObserve
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function RegisterPointerInputTargetEx(
    hwnd As IntPtr,   ' HWND
    pointerType As Integer,   ' POINTER_INPUT_TYPE
    fObserve As Boolean   ' BOOL
) As Boolean
End Function

' hwnd : HWND
' pointerType : POINTER_INPUT_TYPE
' fObserve : BOOL
Declare PtrSafe Function RegisterPointerInputTargetEx Lib "user32" ( _
    ByVal hwnd As LongPtr, _
    ByVal pointerType As Long, _
    ByVal fObserve 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

RegisterPointerInputTargetEx = ctypes.windll.user32.RegisterPointerInputTargetEx
RegisterPointerInputTargetEx.restype = wintypes.BOOL
RegisterPointerInputTargetEx.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_int,  # pointerType : POINTER_INPUT_TYPE
    wintypes.BOOL,  # fObserve : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
RegisterPointerInputTargetEx = Fiddle::Function.new(
  lib['RegisterPointerInputTargetEx'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_INT,  # pointerType : POINTER_INPUT_TYPE
    Fiddle::TYPE_INT,  # fObserve : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn RegisterPointerInputTargetEx(
        hwnd: *mut core::ffi::c_void,  // HWND
        pointerType: i32,  // POINTER_INPUT_TYPE
        fObserve: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool RegisterPointerInputTargetEx(IntPtr hwnd, int pointerType, bool fObserve);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_RegisterPointerInputTargetEx' -Namespace Win32 -PassThru
# $api::RegisterPointerInputTargetEx(hwnd, pointerType, fObserve)

#uselib "USER32.dll"
#func global RegisterPointerInputTargetEx "RegisterPointerInputTargetEx" sptr, sptr, sptr
; RegisterPointerInputTargetEx hwnd, pointerType, fObserve   ; 戻り値は stat
; hwnd : HWND -> "sptr"
; pointerType : POINTER_INPUT_TYPE -> "sptr"
; fObserve : BOOL -> "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 RegisterPointerInputTargetEx "RegisterPointerInputTargetEx" sptr, int, int
; res = RegisterPointerInputTargetEx(hwnd, pointerType, fObserve)
; hwnd : HWND -> "sptr"
; pointerType : POINTER_INPUT_TYPE -> "int"
; fObserve : BOOL -> "int"

; BOOL RegisterPointerInputTargetEx(HWND hwnd, POINTER_INPUT_TYPE pointerType, BOOL fObserve)
#uselib "USER32.dll"
#cfunc global RegisterPointerInputTargetEx "RegisterPointerInputTargetEx" intptr, int, int
; res = RegisterPointerInputTargetEx(hwnd, pointerType, fObserve)
; hwnd : HWND -> "intptr"
; pointerType : POINTER_INPUT_TYPE -> "int"
; fObserve : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procRegisterPointerInputTargetEx = user32.NewProc("RegisterPointerInputTargetEx")
)

// hwnd (HWND), pointerType (POINTER_INPUT_TYPE), fObserve (BOOL)
r1, _, err := procRegisterPointerInputTargetEx.Call(
	uintptr(hwnd),
	uintptr(pointerType),
	uintptr(fObserve),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function RegisterPointerInputTargetEx(
  hwnd: THandle;   // HWND
  pointerType: Integer;   // POINTER_INPUT_TYPE
  fObserve: BOOL   // BOOL
): BOOL; stdcall;
  external 'USER32.dll' name 'RegisterPointerInputTargetEx';

result := DllCall("USER32\RegisterPointerInputTargetEx"
    , "Ptr", hwnd   ; HWND
    , "Int", pointerType   ; POINTER_INPUT_TYPE
    , "Int", fObserve   ; BOOL
    , "Int")   ; return: BOOL

●RegisterPointerInputTargetEx(hwnd, pointerType, fObserve) = DLL("USER32.dll", "bool RegisterPointerInputTargetEx(void*, int, bool)")
# 呼び出し: RegisterPointerInputTargetEx(hwnd, pointerType, fObserve)
# hwnd : HWND -> "void*"
# pointerType : POINTER_INPUT_TYPE -> "int"
# fObserve : BOOL -> "bool"
# 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)。