DragObject

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

DWORD DragObject(
    HWND hwndParent,
    HWND hwndFrom,
    DWORD fmt,
    UINT_PTR data,
    HCURSOR hcur   // optional
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function DragObject(
    hwndParent As IntPtr,   ' HWND
    hwndFrom As IntPtr,   ' HWND
    fmt As UInteger,   ' DWORD
    data As UIntPtr,   ' UINT_PTR
    hcur As IntPtr   ' HCURSOR optional
) As UInteger
End Function

' hwndParent : HWND
' hwndFrom : HWND
' fmt : DWORD
' data : UINT_PTR
' hcur : HCURSOR optional
Declare PtrSafe Function DragObject Lib "user32" ( _
    ByVal hwndParent As LongPtr, _
    ByVal hwndFrom As LongPtr, _
    ByVal fmt As Long, _
    ByVal data As LongPtr, _
    ByVal hcur 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

DragObject = ctypes.windll.user32.DragObject
DragObject.restype = wintypes.DWORD
DragObject.argtypes = [
    wintypes.HANDLE,  # hwndParent : HWND
    wintypes.HANDLE,  # hwndFrom : HWND
    wintypes.DWORD,  # fmt : DWORD
    ctypes.c_size_t,  # data : UINT_PTR
    wintypes.HANDLE,  # hcur : HCURSOR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
DragObject = Fiddle::Function.new(
  lib['DragObject'],
  [
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND
    Fiddle::TYPE_VOIDP,  # hwndFrom : HWND
    -Fiddle::TYPE_INT,  # fmt : DWORD
    Fiddle::TYPE_UINTPTR_T,  # data : UINT_PTR
    Fiddle::TYPE_VOIDP,  # hcur : HCURSOR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn DragObject(
        hwndParent: *mut core::ffi::c_void,  // HWND
        hwndFrom: *mut core::ffi::c_void,  // HWND
        fmt: u32,  // DWORD
        data: usize,  // UINT_PTR
        hcur: *mut core::ffi::c_void  // HCURSOR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern uint DragObject(IntPtr hwndParent, IntPtr hwndFrom, uint fmt, UIntPtr data, IntPtr hcur);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_DragObject' -Namespace Win32 -PassThru
# $api::DragObject(hwndParent, hwndFrom, fmt, data, hcur)

#uselib "USER32.dll"
#func global DragObject "DragObject" sptr, sptr, sptr, sptr, sptr
; DragObject hwndParent, hwndFrom, fmt, data, hcur   ; 戻り値は stat
; hwndParent : HWND -> "sptr"
; hwndFrom : HWND -> "sptr"
; fmt : DWORD -> "sptr"
; data : UINT_PTR -> "sptr"
; hcur : HCURSOR optional -> "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 DragObject "DragObject" sptr, sptr, int, sptr, sptr
; res = DragObject(hwndParent, hwndFrom, fmt, data, hcur)
; hwndParent : HWND -> "sptr"
; hwndFrom : HWND -> "sptr"
; fmt : DWORD -> "int"
; data : UINT_PTR -> "sptr"
; hcur : HCURSOR optional -> "sptr"

; DWORD DragObject(HWND hwndParent, HWND hwndFrom, DWORD fmt, UINT_PTR data, HCURSOR hcur)
#uselib "USER32.dll"
#cfunc global DragObject "DragObject" intptr, intptr, int, intptr, intptr
; res = DragObject(hwndParent, hwndFrom, fmt, data, hcur)
; hwndParent : HWND -> "intptr"
; hwndFrom : HWND -> "intptr"
; fmt : DWORD -> "int"
; data : UINT_PTR -> "intptr"
; hcur : HCURSOR optional -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procDragObject = user32.NewProc("DragObject")
)

// hwndParent (HWND), hwndFrom (HWND), fmt (DWORD), data (UINT_PTR), hcur (HCURSOR optional)
r1, _, err := procDragObject.Call(
	uintptr(hwndParent),
	uintptr(hwndFrom),
	uintptr(fmt),
	uintptr(data),
	uintptr(hcur),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DragObject(
  hwndParent: THandle;   // HWND
  hwndFrom: THandle;   // HWND
  fmt: DWORD;   // DWORD
  data: NativeUInt;   // UINT_PTR
  hcur: THandle   // HCURSOR optional
): DWORD; stdcall;
  external 'USER32.dll' name 'DragObject';

result := DllCall("USER32\DragObject"
    , "Ptr", hwndParent   ; HWND
    , "Ptr", hwndFrom   ; HWND
    , "UInt", fmt   ; DWORD
    , "UPtr", data   ; UINT_PTR
    , "Ptr", hcur   ; HCURSOR optional
    , "UInt")   ; return: DWORD

●DragObject(hwndParent, hwndFrom, fmt, data, hcur) = DLL("USER32.dll", "dword DragObject(void*, void*, dword, int, void*)")
# 呼び出し: DragObject(hwndParent, hwndFrom, fmt, data, hcur)
# hwndParent : HWND -> "void*"
# hwndFrom : HWND -> "void*"
# fmt : DWORD -> "dword"
# data : UINT_PTR -> "int"
# hcur : HCURSOR optional -> "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)。

const std = @import("std");

extern "user32" fn DragObject(
    hwndParent: ?*anyopaque, // HWND
    hwndFrom: ?*anyopaque, // HWND
    fmt: u32, // DWORD
    data: usize, // UINT_PTR
    hcur: ?*anyopaque // HCURSOR optional
) callconv(std.os.windows.WINAPI) u32;

proc DragObject(
    hwndParent: pointer,  # HWND
    hwndFrom: pointer,  # HWND
    fmt: uint32,  # DWORD
    data: uint,  # UINT_PTR
    hcur: pointer  # HCURSOR optional
): uint32 {.importc: "DragObject", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
uint DragObject(
    void* hwndParent,   // HWND
    void* hwndFrom,   // HWND
    uint fmt,   // DWORD
    size_t data,   // UINT_PTR
    void* hcur   // HCURSOR optional
);

ccall((:DragObject, "USER32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Csize_t, Ptr{Cvoid}),
      hwndParent, hwndFrom, fmt, data, hcur)
# hwndParent : HWND -> Ptr{Cvoid}
# hwndFrom : HWND -> Ptr{Cvoid}
# fmt : DWORD -> UInt32
# data : UINT_PTR -> Csize_t
# hcur : HCURSOR optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DragObject(
    void* hwndParent,
    void* hwndFrom,
    uint32_t fmt,
    uintptr_t data,
    void* hcur);
]]
local user32 = ffi.load("user32")
-- user32.DragObject(hwndParent, hwndFrom, fmt, data, hcur)
-- hwndParent : HWND
-- hwndFrom : HWND
-- fmt : DWORD
-- data : UINT_PTR
-- hcur : HCURSOR optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('USER32.dll');
const DragObject = lib.func('__stdcall', 'DragObject', 'uint32_t', ['void *', 'void *', 'uint32_t', 'uintptr_t', 'void *']);
// DragObject(hwndParent, hwndFrom, fmt, data, hcur)
// hwndParent : HWND -> 'void *'
// hwndFrom : HWND -> 'void *'
// fmt : DWORD -> 'uint32_t'
// data : UINT_PTR -> 'uintptr_t'
// hcur : HCURSOR optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("USER32.dll", {
  DragObject: { parameters: ["pointer", "pointer", "u32", "usize", "pointer"], result: "u32" },
});
// lib.symbols.DragObject(hwndParent, hwndFrom, fmt, data, hcur)
// hwndParent : HWND -> "pointer"
// hwndFrom : HWND -> "pointer"
// fmt : DWORD -> "u32"
// data : UINT_PTR -> "usize"
// hcur : HCURSOR optional -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t DragObject(
    void* hwndParent,
    void* hwndFrom,
    uint32_t fmt,
    size_t data,
    void* hcur);
C, "USER32.dll");
// $ffi->DragObject(hwndParent, hwndFrom, fmt, data, hcur);
// hwndParent : HWND
// hwndFrom : HWND
// fmt : DWORD
// data : UINT_PTR
// hcur : HCURSOR optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    int DragObject(
        Pointer hwndParent,   // HWND
        Pointer hwndFrom,   // HWND
        int fmt,   // DWORD
        long data,   // UINT_PTR
        Pointer hcur   // HCURSOR optional
    );
}

@[Link("user32")]
lib LibUSER32
  fun DragObject = DragObject(
    hwndParent : Void*,   # HWND
    hwndFrom : Void*,   # HWND
    fmt : UInt32,   # DWORD
    data : LibC::SizeT,   # UINT_PTR
    hcur : Void*   # HCURSOR optional
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DragObjectNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Uint32, UintPtr, Pointer<Void>);
typedef DragObjectDart = int Function(Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>);
final DragObject = DynamicLibrary.open('USER32.dll')
    .lookupFunction<DragObjectNative, DragObjectDart>('DragObject');
// hwndParent : HWND -> Pointer<Void>
// hwndFrom : HWND -> Pointer<Void>
// fmt : DWORD -> Uint32
// data : UINT_PTR -> UintPtr
// hcur : HCURSOR optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DragObject(
  hwndParent: THandle;   // HWND
  hwndFrom: THandle;   // HWND
  fmt: DWORD;   // DWORD
  data: NativeUInt;   // UINT_PTR
  hcur: THandle   // HCURSOR optional
): DWORD; stdcall;
  external 'USER32.dll' name 'DragObject';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DragObject"
  c_DragObject :: Ptr () -> Ptr () -> Word32 -> CUIntPtr -> Ptr () -> IO Word32
-- hwndParent : HWND -> Ptr ()
-- hwndFrom : HWND -> Ptr ()
-- fmt : DWORD -> Word32
-- data : UINT_PTR -> CUIntPtr
-- hcur : HCURSOR optional -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let dragobject =
  foreign "DragObject"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> size_t @-> (ptr void) @-> returning uint32_t)
(* hwndParent : HWND -> (ptr void) *)
(* hwndFrom : HWND -> (ptr void) *)
(* fmt : DWORD -> uint32_t *)
(* data : UINT_PTR -> size_t *)
(* hcur : HCURSOR optional -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("DragObject" drag-object :convention :stdcall) :uint32
  (hwnd-parent :pointer)   ; HWND
  (hwnd-from :pointer)   ; HWND
  (fmt :uint32)   ; DWORD
  (data :uint64)   ; UINT_PTR
  (hcur :pointer))   ; HCURSOR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DragObject = Win32::API::More->new('USER32',
    'DWORD DragObject(HANDLE hwndParent, HANDLE hwndFrom, DWORD fmt, WPARAM data, HANDLE hcur)');
# my $ret = $DragObject->Call($hwndParent, $hwndFrom, $fmt, $data, $hcur);
# hwndParent : HWND -> HANDLE
# hwndFrom : HWND -> HANDLE
# fmt : DWORD -> DWORD
# data : UINT_PTR -> WPARAM
# hcur : HCURSOR optional -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。