DwmRenderGesture

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

HRESULT DwmRenderGesture(
    GESTURE_TYPE gt,
    DWORD cContacts,
    const DWORD* pdwPointerID,
    const POINT* pPoints
);

<DllImport("dwmapi.dll", ExactSpelling:=True)>
Public Shared Function DwmRenderGesture(
    gt As Integer,   ' GESTURE_TYPE
    cContacts As UInteger,   ' DWORD
    ByRef pdwPointerID As UInteger,   ' DWORD*
    pPoints As IntPtr   ' POINT*
) As Integer
End Function

' gt : GESTURE_TYPE
' cContacts : DWORD
' pdwPointerID : DWORD*
' pPoints : POINT*
Declare PtrSafe Function DwmRenderGesture Lib "dwmapi" ( _
    ByVal gt As Long, _
    ByVal cContacts As Long, _
    ByRef pdwPointerID As Long, _
    ByVal pPoints 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

DwmRenderGesture = ctypes.windll.dwmapi.DwmRenderGesture
DwmRenderGesture.restype = ctypes.c_int
DwmRenderGesture.argtypes = [
    ctypes.c_int,  # gt : GESTURE_TYPE
    wintypes.DWORD,  # cContacts : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwPointerID : DWORD*
    ctypes.c_void_p,  # pPoints : POINT*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dwmapi.dll')
DwmRenderGesture = Fiddle::Function.new(
  lib['DwmRenderGesture'],
  [
    Fiddle::TYPE_INT,  # gt : GESTURE_TYPE
    -Fiddle::TYPE_INT,  # cContacts : DWORD
    Fiddle::TYPE_VOIDP,  # pdwPointerID : DWORD*
    Fiddle::TYPE_VOIDP,  # pPoints : POINT*
  ],
  Fiddle::TYPE_INT)

#[link(name = "dwmapi")]
extern "system" {
    fn DwmRenderGesture(
        gt: i32,  // GESTURE_TYPE
        cContacts: u32,  // DWORD
        pdwPointerID: *const u32,  // DWORD*
        pPoints: *const POINT  // POINT*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dwmapi.dll")]
public static extern int DwmRenderGesture(int gt, uint cContacts, ref uint pdwPointerID, IntPtr pPoints);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dwmapi_DwmRenderGesture' -Namespace Win32 -PassThru
# $api::DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints)

#uselib "dwmapi.dll"
#func global DwmRenderGesture "DwmRenderGesture" sptr, sptr, sptr, sptr
; DwmRenderGesture gt, cContacts, varptr(pdwPointerID), varptr(pPoints)   ; 戻り値は stat
; gt : GESTURE_TYPE -> "sptr"
; cContacts : DWORD -> "sptr"
; pdwPointerID : DWORD* -> "sptr"
; pPoints : POINT* -> "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。

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

var (
	dwmapi = windows.NewLazySystemDLL("dwmapi.dll")
	procDwmRenderGesture = dwmapi.NewProc("DwmRenderGesture")
)

// gt (GESTURE_TYPE), cContacts (DWORD), pdwPointerID (DWORD*), pPoints (POINT*)
r1, _, err := procDwmRenderGesture.Call(
	uintptr(gt),
	uintptr(cContacts),
	uintptr(pdwPointerID),
	uintptr(pPoints),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DwmRenderGesture(
  gt: Integer;   // GESTURE_TYPE
  cContacts: DWORD;   // DWORD
  pdwPointerID: Pointer;   // DWORD*
  pPoints: Pointer   // POINT*
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmRenderGesture';

result := DllCall("dwmapi\DwmRenderGesture"
    , "Int", gt   ; GESTURE_TYPE
    , "UInt", cContacts   ; DWORD
    , "Ptr", pdwPointerID   ; DWORD*
    , "Ptr", pPoints   ; POINT*
    , "Int")   ; return: HRESULT

●DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints) = DLL("dwmapi.dll", "int DwmRenderGesture(int, dword, void*, void*)")
# 呼び出し: DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints)
# gt : GESTURE_TYPE -> "int"
# cContacts : DWORD -> "dword"
# pdwPointerID : DWORD* -> "void*"
# pPoints : POINT* -> "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 "dwmapi" fn DwmRenderGesture(
    gt: i32, // GESTURE_TYPE
    cContacts: u32, // DWORD
    pdwPointerID: [*c]u32, // DWORD*
    pPoints: [*c]POINT // POINT*
) callconv(std.os.windows.WINAPI) i32;

proc DwmRenderGesture(
    gt: int32,  # GESTURE_TYPE
    cContacts: uint32,  # DWORD
    pdwPointerID: ptr uint32,  # DWORD*
    pPoints: ptr POINT  # POINT*
): int32 {.importc: "DwmRenderGesture", stdcall, dynlib: "dwmapi.dll".}

pragma(lib, "dwmapi");
extern(Windows)
int DwmRenderGesture(
    int gt,   // GESTURE_TYPE
    uint cContacts,   // DWORD
    uint* pdwPointerID,   // DWORD*
    POINT* pPoints   // POINT*
);

ccall((:DwmRenderGesture, "dwmapi.dll"), stdcall, Int32,
      (Int32, UInt32, Ptr{UInt32}, Ptr{POINT}),
      gt, cContacts, pdwPointerID, pPoints)
# gt : GESTURE_TYPE -> Int32
# cContacts : DWORD -> UInt32
# pdwPointerID : DWORD* -> Ptr{UInt32}
# pPoints : POINT* -> Ptr{POINT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DwmRenderGesture(
    int32_t gt,
    uint32_t cContacts,
    uint32_t* pdwPointerID,
    void* pPoints);
]]
local dwmapi = ffi.load("dwmapi")
-- dwmapi.DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints)
-- gt : GESTURE_TYPE
-- cContacts : DWORD
-- pdwPointerID : DWORD*
-- pPoints : POINT*
-- 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('dwmapi.dll');
const DwmRenderGesture = lib.func('__stdcall', 'DwmRenderGesture', 'int32_t', ['int32_t', 'uint32_t', 'uint32_t *', 'void *']);
// DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints)
// gt : GESTURE_TYPE -> 'int32_t'
// cContacts : DWORD -> 'uint32_t'
// pdwPointerID : DWORD* -> 'uint32_t *'
// pPoints : POINT* -> '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("dwmapi.dll", {
  DwmRenderGesture: { parameters: ["i32", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints)
// gt : GESTURE_TYPE -> "i32"
// cContacts : DWORD -> "u32"
// pdwPointerID : DWORD* -> "pointer"
// pPoints : POINT* -> "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
int32_t DwmRenderGesture(
    int32_t gt,
    uint32_t cContacts,
    uint32_t* pdwPointerID,
    void* pPoints);
C, "dwmapi.dll");
// $ffi->DwmRenderGesture(gt, cContacts, pdwPointerID, pPoints);
// gt : GESTURE_TYPE
// cContacts : DWORD
// pdwPointerID : DWORD*
// pPoints : POINT*
// 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 Dwmapi extends StdCallLibrary {
    Dwmapi INSTANCE = Native.load("dwmapi", Dwmapi.class);
    int DwmRenderGesture(
        int gt,   // GESTURE_TYPE
        int cContacts,   // DWORD
        IntByReference pdwPointerID,   // DWORD*
        Pointer pPoints   // POINT*
    );
}

@[Link("dwmapi")]
lib Libdwmapi
  fun DwmRenderGesture = DwmRenderGesture(
    gt : Int32,   # GESTURE_TYPE
    cContacts : UInt32,   # DWORD
    pdwPointerID : UInt32*,   # DWORD*
    pPoints : POINT*   # POINT*
  ) : Int32
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 DwmRenderGestureNative = Int32 Function(Int32, Uint32, Pointer<Uint32>, Pointer<Void>);
typedef DwmRenderGestureDart = int Function(int, int, Pointer<Uint32>, Pointer<Void>);
final DwmRenderGesture = DynamicLibrary.open('dwmapi.dll')
    .lookupFunction<DwmRenderGestureNative, DwmRenderGestureDart>('DwmRenderGesture');
// gt : GESTURE_TYPE -> Int32
// cContacts : DWORD -> Uint32
// pdwPointerID : DWORD* -> Pointer<Uint32>
// pPoints : POINT* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DwmRenderGesture(
  gt: Integer;   // GESTURE_TYPE
  cContacts: DWORD;   // DWORD
  pdwPointerID: Pointer;   // DWORD*
  pPoints: Pointer   // POINT*
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmRenderGesture';

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

foreign import stdcall safe "DwmRenderGesture"
  c_DwmRenderGesture :: Int32 -> Word32 -> Ptr Word32 -> Ptr () -> IO Int32
-- gt : GESTURE_TYPE -> Int32
-- cContacts : DWORD -> Word32
-- pdwPointerID : DWORD* -> Ptr Word32
-- pPoints : POINT* -> 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 dwmrendergesture =
  foreign "DwmRenderGesture"
    (int32_t @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* gt : GESTURE_TYPE -> int32_t *)
(* cContacts : DWORD -> uint32_t *)
(* pdwPointerID : DWORD* -> (ptr uint32_t) *)
(* pPoints : POINT* -> (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 dwmapi (t "dwmapi.dll"))
(cffi:use-foreign-library dwmapi)

(cffi:defcfun ("DwmRenderGesture" dwm-render-gesture :convention :stdcall) :int32
  (gt :int32)   ; GESTURE_TYPE
  (c-contacts :uint32)   ; DWORD
  (pdw-pointer-id :pointer)   ; DWORD*
  (p-points :pointer))   ; POINT*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DwmRenderGesture = Win32::API::More->new('dwmapi',
    'int DwmRenderGesture(int gt, DWORD cContacts, LPVOID pdwPointerID, LPVOID pPoints)');
# my $ret = $DwmRenderGesture->Call($gt, $cContacts, $pdwPointerID, $pPoints);
# gt : GESTURE_TYPE -> int
# cContacts : DWORD -> DWORD
# pdwPointerID : DWORD* -> LPVOID
# pPoints : POINT* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。