DirectInput8Create

// DINPUT8.dll
#include <windows.h>

HRESULT DirectInput8Create(
    HINSTANCE hinst,
    DWORD dwVersion,
    const GUID* riidltf,
    void** ppvOut,
    IUnknown* punkOuter
);

<DllImport("DINPUT8.dll", ExactSpelling:=True)>
Public Shared Function DirectInput8Create(
    hinst As IntPtr,   ' HINSTANCE
    dwVersion As UInteger,   ' DWORD
    ByRef riidltf As Guid,   ' GUID*
    ppvOut As IntPtr,   ' void** in/out
    punkOuter As IntPtr   ' IUnknown*
) As Integer
End Function

' hinst : HINSTANCE
' dwVersion : DWORD
' riidltf : GUID*
' ppvOut : void** in/out
' punkOuter : IUnknown*
Declare PtrSafe Function DirectInput8Create Lib "dinput8" ( _
    ByVal hinst As LongPtr, _
    ByVal dwVersion As Long, _
    ByVal riidltf As LongPtr, _
    ByVal ppvOut As LongPtr, _
    ByVal punkOuter 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

DirectInput8Create = ctypes.windll.dinput8.DirectInput8Create
DirectInput8Create.restype = ctypes.c_int
DirectInput8Create.argtypes = [
    wintypes.HANDLE,  # hinst : HINSTANCE
    wintypes.DWORD,  # dwVersion : DWORD
    ctypes.c_void_p,  # riidltf : GUID*
    ctypes.c_void_p,  # ppvOut : void** in/out
    ctypes.c_void_p,  # punkOuter : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DINPUT8.dll')
DirectInput8Create = Fiddle::Function.new(
  lib['DirectInput8Create'],
  [
    Fiddle::TYPE_VOIDP,  # hinst : HINSTANCE
    -Fiddle::TYPE_INT,  # dwVersion : DWORD
    Fiddle::TYPE_VOIDP,  # riidltf : GUID*
    Fiddle::TYPE_VOIDP,  # ppvOut : void** in/out
    Fiddle::TYPE_VOIDP,  # punkOuter : IUnknown*
  ],
  Fiddle::TYPE_INT)

#[link(name = "dinput8")]
extern "system" {
    fn DirectInput8Create(
        hinst: *mut core::ffi::c_void,  // HINSTANCE
        dwVersion: u32,  // DWORD
        riidltf: *const GUID,  // GUID*
        ppvOut: *mut *mut (),  // void** in/out
        punkOuter: *mut core::ffi::c_void  // IUnknown*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DINPUT8.dll")]
public static extern int DirectInput8Create(IntPtr hinst, uint dwVersion, ref Guid riidltf, IntPtr ppvOut, IntPtr punkOuter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DINPUT8_DirectInput8Create' -Namespace Win32 -PassThru
# $api::DirectInput8Create(hinst, dwVersion, riidltf, ppvOut, punkOuter)

#uselib "DINPUT8.dll"
#func global DirectInput8Create "DirectInput8Create" sptr, sptr, sptr, sptr, sptr
; DirectInput8Create hinst, dwVersion, varptr(riidltf), ppvOut, punkOuter   ; 戻り値は stat
; hinst : HINSTANCE -> "sptr"
; dwVersion : DWORD -> "sptr"
; riidltf : GUID* -> "sptr"
; ppvOut : void** in/out -> "sptr"
; punkOuter : IUnknown* -> "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 "DINPUT8.dll"
#cfunc global DirectInput8Create "DirectInput8Create" sptr, int, var, sptr, sptr
; res = DirectInput8Create(hinst, dwVersion, riidltf, ppvOut, punkOuter)
; hinst : HINSTANCE -> "sptr"
; dwVersion : DWORD -> "int"
; riidltf : GUID* -> "var"
; ppvOut : void** in/out -> "sptr"
; punkOuter : IUnknown* -> "sptr"
; ※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。

; HRESULT DirectInput8Create(HINSTANCE hinst, DWORD dwVersion, GUID* riidltf, void** ppvOut, IUnknown* punkOuter)
#uselib "DINPUT8.dll"
#cfunc global DirectInput8Create "DirectInput8Create" intptr, int, var, intptr, intptr
; res = DirectInput8Create(hinst, dwVersion, riidltf, ppvOut, punkOuter)
; hinst : HINSTANCE -> "intptr"
; dwVersion : DWORD -> "int"
; riidltf : GUID* -> "var"
; ppvOut : void** in/out -> "intptr"
; punkOuter : IUnknown* -> "intptr"
; ※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 (
	dinput8 = windows.NewLazySystemDLL("DINPUT8.dll")
	procDirectInput8Create = dinput8.NewProc("DirectInput8Create")
)

// hinst (HINSTANCE), dwVersion (DWORD), riidltf (GUID*), ppvOut (void** in/out), punkOuter (IUnknown*)
r1, _, err := procDirectInput8Create.Call(
	uintptr(hinst),
	uintptr(dwVersion),
	uintptr(riidltf),
	uintptr(ppvOut),
	uintptr(punkOuter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DirectInput8Create(
  hinst: THandle;   // HINSTANCE
  dwVersion: DWORD;   // DWORD
  riidltf: PGUID;   // GUID*
  ppvOut: Pointer;   // void** in/out
  punkOuter: Pointer   // IUnknown*
): Integer; stdcall;
  external 'DINPUT8.dll' name 'DirectInput8Create';

result := DllCall("DINPUT8\DirectInput8Create"
    , "Ptr", hinst   ; HINSTANCE
    , "UInt", dwVersion   ; DWORD
    , "Ptr", riidltf   ; GUID*
    , "Ptr", ppvOut   ; void** in/out
    , "Ptr", punkOuter   ; IUnknown*
    , "Int")   ; return: HRESULT

●DirectInput8Create(hinst, dwVersion, riidltf, ppvOut, punkOuter) = DLL("DINPUT8.dll", "int DirectInput8Create(void*, dword, void*, void*, void*)")
# 呼び出し: DirectInput8Create(hinst, dwVersion, riidltf, ppvOut, punkOuter)
# hinst : HINSTANCE -> "void*"
# dwVersion : DWORD -> "dword"
# riidltf : GUID* -> "void*"
# ppvOut : void** in/out -> "void*"
# punkOuter : IUnknown* -> "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)。