joyGetPos

関数

ジョイスティックの位置とボタン状態を取得する。

DLLWINMM.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD joyGetPos(
    DWORD uJoyID,
    JOYINFO* pji
);

パラメーター

名前	型	方向
uJoyID	DWORD	in
pji	JOYINFO*	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD joyGetPos(
    DWORD uJoyID,
    JOYINFO* pji
);

[DllImport("WINMM.dll", ExactSpelling = true)]
static extern uint joyGetPos(
    uint uJoyID,   // DWORD
    IntPtr pji   // JOYINFO* out
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function joyGetPos(
    uJoyID As UInteger,   ' DWORD
    pji As IntPtr   ' JOYINFO* out
) As UInteger
End Function

' uJoyID : DWORD
' pji : JOYINFO* out
Declare PtrSafe Function joyGetPos Lib "winmm" ( _
    ByVal uJoyID As Long, _
    ByVal pji 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

joyGetPos = ctypes.windll.winmm.joyGetPos
joyGetPos.restype = wintypes.DWORD
joyGetPos.argtypes = [
    wintypes.DWORD,  # uJoyID : DWORD
    ctypes.c_void_p,  # pji : JOYINFO* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
joyGetPos = Fiddle::Function.new(
  lib['joyGetPos'],
  [
    -Fiddle::TYPE_INT,  # uJoyID : DWORD
    Fiddle::TYPE_VOIDP,  # pji : JOYINFO* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn joyGetPos(
        uJoyID: u32,  // DWORD
        pji: *mut JOYINFO  // JOYINFO* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint joyGetPos(uint uJoyID, IntPtr pji);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_joyGetPos' -Namespace Win32 -PassThru
# $api::joyGetPos(uJoyID, pji)

#uselib "WINMM.dll"
#func global joyGetPos "joyGetPos" sptr, sptr
; joyGetPos uJoyID, varptr(pji)   ; 戻り値は stat
; uJoyID : DWORD -> "sptr"
; pji : JOYINFO* out -> "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。

出力引数:

#uselib "WINMM.dll"
#cfunc global joyGetPos "joyGetPos" int, var
; res = joyGetPos(uJoyID, pji)
; uJoyID : DWORD -> "int"
; pji : JOYINFO* out -> "var"
; ※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。#uselib "WINMM.dll"
#cfunc global joyGetPos "joyGetPos" int, sptr
; res = joyGetPos(uJoyID, varptr(pji))
; uJoyID : DWORD -> "int"
; pji : JOYINFO* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD joyGetPos(DWORD uJoyID, JOYINFO* pji)
#uselib "WINMM.dll"
#cfunc global joyGetPos "joyGetPos" int, var
; res = joyGetPos(uJoyID, pji)
; uJoyID : DWORD -> "int"
; pji : JOYINFO* out -> "var"
; ※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。; DWORD joyGetPos(DWORD uJoyID, JOYINFO* pji)
#uselib "WINMM.dll"
#cfunc global joyGetPos "joyGetPos" int, intptr
; res = joyGetPos(uJoyID, varptr(pji))
; uJoyID : DWORD -> "int"
; pji : JOYINFO* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procjoyGetPos = winmm.NewProc("joyGetPos")
)

// uJoyID (DWORD), pji (JOYINFO* out)
r1, _, err := procjoyGetPos.Call(
	uintptr(uJoyID),
	uintptr(pji),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function joyGetPos(
  uJoyID: DWORD;   // DWORD
  pji: Pointer   // JOYINFO* out
): DWORD; stdcall;
  external 'WINMM.dll' name 'joyGetPos';

result := DllCall("WINMM\joyGetPos"
    , "UInt", uJoyID   ; DWORD
    , "Ptr", pji   ; JOYINFO* out
    , "UInt")   ; return: DWORD

●joyGetPos(uJoyID, pji) = DLL("WINMM.dll", "dword joyGetPos(dword, void*)")
# 呼び出し: joyGetPos(uJoyID, pji)
# uJoyID : DWORD -> "dword"
# pji : JOYINFO* out -> "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)。