InjectTouchInput

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

BOOL InjectTouchInput(
    DWORD count,
    const POINTER_TOUCH_INFO* contacts
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function InjectTouchInput(
    count As UInteger,   ' DWORD
    contacts As IntPtr   ' POINTER_TOUCH_INFO*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' count : DWORD
' contacts : POINTER_TOUCH_INFO*
Declare PtrSafe Function InjectTouchInput Lib "user32" ( _
    ByVal count As Long, _
    ByVal contacts 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

InjectTouchInput = ctypes.windll.user32.InjectTouchInput
InjectTouchInput.restype = wintypes.BOOL
InjectTouchInput.argtypes = [
    wintypes.DWORD,  # count : DWORD
    ctypes.c_void_p,  # contacts : POINTER_TOUCH_INFO*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
InjectTouchInput = Fiddle::Function.new(
  lib['InjectTouchInput'],
  [
    -Fiddle::TYPE_INT,  # count : DWORD
    Fiddle::TYPE_VOIDP,  # contacts : POINTER_TOUCH_INFO*
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn InjectTouchInput(
        count: u32,  // DWORD
        contacts: *const POINTER_TOUCH_INFO  // POINTER_TOUCH_INFO*
    ) -> 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 InjectTouchInput(uint count, IntPtr contacts);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_InjectTouchInput' -Namespace Win32 -PassThru
# $api::InjectTouchInput(count, contacts)

#uselib "USER32.dll"
#func global InjectTouchInput "InjectTouchInput" sptr, sptr
; InjectTouchInput count, varptr(contacts)   ; 戻り値は stat
; count : DWORD -> "sptr"
; contacts : POINTER_TOUCH_INFO* -> "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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procInjectTouchInput = user32.NewProc("InjectTouchInput")
)

// count (DWORD), contacts (POINTER_TOUCH_INFO*)
r1, _, err := procInjectTouchInput.Call(
	uintptr(count),
	uintptr(contacts),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InjectTouchInput(
  count: DWORD;   // DWORD
  contacts: Pointer   // POINTER_TOUCH_INFO*
): BOOL; stdcall;
  external 'USER32.dll' name 'InjectTouchInput';

result := DllCall("USER32\InjectTouchInput"
    , "UInt", count   ; DWORD
    , "Ptr", contacts   ; POINTER_TOUCH_INFO*
    , "Int")   ; return: BOOL

●InjectTouchInput(count, contacts) = DLL("USER32.dll", "bool InjectTouchInput(dword, void*)")
# 呼び出し: InjectTouchInput(count, contacts)
# count : DWORD -> "dword"
# contacts : POINTER_TOUCH_INFO* -> "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 InjectTouchInput(
    count: u32, // DWORD
    contacts: [*c]POINTER_TOUCH_INFO // POINTER_TOUCH_INFO*
) callconv(std.os.windows.WINAPI) i32;

proc InjectTouchInput(
    count: uint32,  # DWORD
    contacts: ptr POINTER_TOUCH_INFO  # POINTER_TOUCH_INFO*
): int32 {.importc: "InjectTouchInput", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int InjectTouchInput(
    uint count,   // DWORD
    POINTER_TOUCH_INFO* contacts   // POINTER_TOUCH_INFO*
);

ccall((:InjectTouchInput, "USER32.dll"), stdcall, Int32,
      (UInt32, Ptr{POINTER_TOUCH_INFO}),
      count, contacts)
# count : DWORD -> UInt32
# contacts : POINTER_TOUCH_INFO* -> Ptr{POINTER_TOUCH_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t InjectTouchInput(
    uint32_t count,
    void* contacts);
]]
local user32 = ffi.load("user32")
-- user32.InjectTouchInput(count, contacts)
-- count : DWORD
-- contacts : POINTER_TOUCH_INFO*
-- 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 InjectTouchInput = lib.func('__stdcall', 'InjectTouchInput', 'int32_t', ['uint32_t', 'void *']);
// InjectTouchInput(count, contacts)
// count : DWORD -> 'uint32_t'
// contacts : POINTER_TOUCH_INFO* -> '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", {
  InjectTouchInput: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.InjectTouchInput(count, contacts)
// count : DWORD -> "u32"
// contacts : POINTER_TOUCH_INFO* -> "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 InjectTouchInput(
    uint32_t count,
    void* contacts);
C, "USER32.dll");
// $ffi->InjectTouchInput(count, contacts);
// count : DWORD
// contacts : POINTER_TOUCH_INFO*
// 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);
    boolean InjectTouchInput(
        int count,   // DWORD
        Pointer contacts   // POINTER_TOUCH_INFO*
    );
}

@[Link("user32")]
lib LibUSER32
  fun InjectTouchInput = InjectTouchInput(
    count : UInt32,   # DWORD
    contacts : POINTER_TOUCH_INFO*   # POINTER_TOUCH_INFO*
  ) : 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 InjectTouchInputNative = Int32 Function(Uint32, Pointer<Void>);
typedef InjectTouchInputDart = int Function(int, Pointer<Void>);
final InjectTouchInput = DynamicLibrary.open('USER32.dll')
    .lookupFunction<InjectTouchInputNative, InjectTouchInputDart>('InjectTouchInput');
// count : DWORD -> Uint32
// contacts : POINTER_TOUCH_INFO* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function InjectTouchInput(
  count: DWORD;   // DWORD
  contacts: Pointer   // POINTER_TOUCH_INFO*
): BOOL; stdcall;
  external 'USER32.dll' name 'InjectTouchInput';

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

foreign import stdcall safe "InjectTouchInput"
  c_InjectTouchInput :: Word32 -> Ptr () -> IO CInt
-- count : DWORD -> Word32
-- contacts : POINTER_TOUCH_INFO* -> 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 injecttouchinput =
  foreign "InjectTouchInput"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* count : DWORD -> uint32_t *)
(* contacts : POINTER_TOUCH_INFO* -> (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 ("InjectTouchInput" inject-touch-input :convention :stdcall) :int32
  (count :uint32)   ; DWORD
  (contacts :pointer))   ; POINTER_TOUCH_INFO*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $InjectTouchInput = Win32::API::More->new('USER32',
    'BOOL InjectTouchInput(DWORD count, LPVOID contacts)');
# my $ret = $InjectTouchInput->Call($count, $contacts);
# count : DWORD -> DWORD
# contacts : POINTER_TOUCH_INFO* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。