Win32 API 日本語リファレンス
ホームUI.Input.Pointer › GetPointerInfoHistory

GetPointerInfoHistory

関数
指定したポインタの入力情報の履歴を取得する。
DLLUSER32.dll呼出規約winapiSetLastErrorあり対応OSwindows8.0

シグネチャ

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

BOOL GetPointerInfoHistory(
    DWORD pointerId,
    DWORD* entriesCount,
    POINTER_INFO* pointerInfo   // optional
);

パラメーター

名前方向説明
pointerIdDWORDin履歴を取得する対象ポインタのIDを指定する。
entriesCountDWORD*inout入力時は配列容量、出力時は取得した履歴件数を表すDWORDへのポインタ。
pointerInfoPOINTER_INFO*outoptionalポインタ情報の履歴を受け取るPOINTER_INFO配列へのポインタ。NULLで件数のみ取得可。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetPointerInfoHistory(
    DWORD pointerId,
    DWORD* entriesCount,
    POINTER_INFO* pointerInfo   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetPointerInfoHistory(
    uint pointerId,   // DWORD
    ref uint entriesCount,   // DWORD* in/out
    IntPtr pointerInfo   // POINTER_INFO* optional, out
);
<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerInfoHistory(
    pointerId As UInteger,   ' DWORD
    ByRef entriesCount As UInteger,   ' DWORD* in/out
    pointerInfo As IntPtr   ' POINTER_INFO* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' pointerId : DWORD
' entriesCount : DWORD* in/out
' pointerInfo : POINTER_INFO* optional, out
Declare PtrSafe Function GetPointerInfoHistory Lib "user32" ( _
    ByVal pointerId As Long, _
    ByRef entriesCount As Long, _
    ByVal pointerInfo 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

GetPointerInfoHistory = ctypes.windll.user32.GetPointerInfoHistory
GetPointerInfoHistory.restype = wintypes.BOOL
GetPointerInfoHistory.argtypes = [
    wintypes.DWORD,  # pointerId : DWORD
    ctypes.POINTER(wintypes.DWORD),  # entriesCount : DWORD* in/out
    ctypes.c_void_p,  # pointerInfo : POINTER_INFO* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetPointerInfoHistory = Fiddle::Function.new(
  lib['GetPointerInfoHistory'],
  [
    -Fiddle::TYPE_INT,  # pointerId : DWORD
    Fiddle::TYPE_VOIDP,  # entriesCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pointerInfo : POINTER_INFO* optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "user32")]
extern "system" {
    fn GetPointerInfoHistory(
        pointerId: u32,  // DWORD
        entriesCount: *mut u32,  // DWORD* in/out
        pointerInfo: *mut POINTER_INFO  // POINTER_INFO* optional, out
    ) -> 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 GetPointerInfoHistory(uint pointerId, ref uint entriesCount, IntPtr pointerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerInfoHistory' -Namespace Win32 -PassThru
# $api::GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
#uselib "USER32.dll"
#func global GetPointerInfoHistory "GetPointerInfoHistory" sptr, sptr, sptr
; GetPointerInfoHistory pointerId, varptr(entriesCount), varptr(pointerInfo)   ; 戻り値は stat
; pointerId : DWORD -> "sptr"
; entriesCount : DWORD* in/out -> "sptr"
; pointerInfo : POINTER_INFO* optional, 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 "USER32.dll"
#cfunc global GetPointerInfoHistory "GetPointerInfoHistory" int, var, var
; res = GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
; pointerId : DWORD -> "int"
; entriesCount : DWORD* in/out -> "var"
; pointerInfo : POINTER_INFO* optional, 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。
出力引数:
; BOOL GetPointerInfoHistory(DWORD pointerId, DWORD* entriesCount, POINTER_INFO* pointerInfo)
#uselib "USER32.dll"
#cfunc global GetPointerInfoHistory "GetPointerInfoHistory" int, var, var
; res = GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
; pointerId : DWORD -> "int"
; entriesCount : DWORD* in/out -> "var"
; pointerInfo : POINTER_INFO* optional, 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetPointerInfoHistory = user32.NewProc("GetPointerInfoHistory")
)

// pointerId (DWORD), entriesCount (DWORD* in/out), pointerInfo (POINTER_INFO* optional, out)
r1, _, err := procGetPointerInfoHistory.Call(
	uintptr(pointerId),
	uintptr(entriesCount),
	uintptr(pointerInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function GetPointerInfoHistory(
  pointerId: DWORD;   // DWORD
  entriesCount: Pointer;   // DWORD* in/out
  pointerInfo: Pointer   // POINTER_INFO* optional, out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerInfoHistory';
result := DllCall("USER32\GetPointerInfoHistory"
    , "UInt", pointerId   ; DWORD
    , "Ptr", entriesCount   ; DWORD* in/out
    , "Ptr", pointerInfo   ; POINTER_INFO* optional, out
    , "Int")   ; return: BOOL
●GetPointerInfoHistory(pointerId, entriesCount, pointerInfo) = DLL("USER32.dll", "bool GetPointerInfoHistory(dword, void*, void*)")
# 呼び出し: GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
# pointerId : DWORD -> "dword"
# entriesCount : DWORD* in/out -> "void*"
# pointerInfo : POINTER_INFO* optional, 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)。
const std = @import("std");

extern "user32" fn GetPointerInfoHistory(
    pointerId: u32, // DWORD
    entriesCount: [*c]u32, // DWORD* in/out
    pointerInfo: [*c]POINTER_INFO // POINTER_INFO* optional, out
) callconv(std.os.windows.WINAPI) i32;
proc GetPointerInfoHistory(
    pointerId: uint32,  # DWORD
    entriesCount: ptr uint32,  # DWORD* in/out
    pointerInfo: ptr POINTER_INFO  # POINTER_INFO* optional, out
): int32 {.importc: "GetPointerInfoHistory", stdcall, dynlib: "USER32.dll".}
pragma(lib, "user32");
extern(Windows)
int GetPointerInfoHistory(
    uint pointerId,   // DWORD
    uint* entriesCount,   // DWORD* in/out
    POINTER_INFO* pointerInfo   // POINTER_INFO* optional, out
);
ccall((:GetPointerInfoHistory, "USER32.dll"), stdcall, Int32,
      (UInt32, Ptr{UInt32}, Ptr{POINTER_INFO}),
      pointerId, entriesCount, pointerInfo)
# pointerId : DWORD -> UInt32
# entriesCount : DWORD* in/out -> Ptr{UInt32}
# pointerInfo : POINTER_INFO* optional, out -> Ptr{POINTER_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GetPointerInfoHistory(
    uint32_t pointerId,
    uint32_t* entriesCount,
    void* pointerInfo);
]]
local user32 = ffi.load("user32")
-- user32.GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
-- pointerId : DWORD
-- entriesCount : DWORD* in/out
-- pointerInfo : POINTER_INFO* optional, out
-- 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 GetPointerInfoHistory = lib.func('__stdcall', 'GetPointerInfoHistory', 'int32_t', ['uint32_t', 'uint32_t *', 'void *']);
// GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
// pointerId : DWORD -> 'uint32_t'
// entriesCount : DWORD* in/out -> 'uint32_t *'
// pointerInfo : POINTER_INFO* optional, out -> '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", {
  GetPointerInfoHistory: { parameters: ["u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetPointerInfoHistory(pointerId, entriesCount, pointerInfo)
// pointerId : DWORD -> "u32"
// entriesCount : DWORD* in/out -> "pointer"
// pointerInfo : POINTER_INFO* optional, out -> "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 GetPointerInfoHistory(
    uint32_t pointerId,
    uint32_t* entriesCount,
    void* pointerInfo);
C, "USER32.dll");
// $ffi->GetPointerInfoHistory(pointerId, entriesCount, pointerInfo);
// pointerId : DWORD
// entriesCount : DWORD* in/out
// pointerInfo : POINTER_INFO* optional, out
// 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 GetPointerInfoHistory(
        int pointerId,   // DWORD
        IntByReference entriesCount,   // DWORD* in/out
        Pointer pointerInfo   // POINTER_INFO* optional, out
    );
}
@[Link("user32")]
lib LibUSER32
  fun GetPointerInfoHistory = GetPointerInfoHistory(
    pointerId : UInt32,   # DWORD
    entriesCount : UInt32*,   # DWORD* in/out
    pointerInfo : POINTER_INFO*   # POINTER_INFO* optional, out
  ) : 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 GetPointerInfoHistoryNative = Int32 Function(Uint32, Pointer<Uint32>, Pointer<Void>);
typedef GetPointerInfoHistoryDart = int Function(int, Pointer<Uint32>, Pointer<Void>);
final GetPointerInfoHistory = DynamicLibrary.open('USER32.dll')
    .lookupFunction<GetPointerInfoHistoryNative, GetPointerInfoHistoryDart>('GetPointerInfoHistory');
// pointerId : DWORD -> Uint32
// entriesCount : DWORD* in/out -> Pointer<Uint32>
// pointerInfo : POINTER_INFO* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GetPointerInfoHistory(
  pointerId: DWORD;   // DWORD
  entriesCount: Pointer;   // DWORD* in/out
  pointerInfo: Pointer   // POINTER_INFO* optional, out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerInfoHistory';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetPointerInfoHistory"
  c_GetPointerInfoHistory :: Word32 -> Ptr Word32 -> Ptr () -> IO CInt
-- pointerId : DWORD -> Word32
-- entriesCount : DWORD* in/out -> Ptr Word32
-- pointerInfo : POINTER_INFO* optional, out -> 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 getpointerinfohistory =
  foreign "GetPointerInfoHistory"
    (uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* pointerId : DWORD -> uint32_t *)
(* entriesCount : DWORD* in/out -> (ptr uint32_t) *)
(* pointerInfo : POINTER_INFO* optional, out -> (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 ("GetPointerInfoHistory" get-pointer-info-history :convention :stdcall) :int32
  (pointer-id :uint32)   ; DWORD
  (entries-count :pointer)   ; DWORD* in/out
  (pointer-info :pointer))   ; POINTER_INFO* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GetPointerInfoHistory = Win32::API::More->new('USER32',
    'BOOL GetPointerInfoHistory(DWORD pointerId, LPVOID entriesCount, LPVOID pointerInfo)');
# my $ret = $GetPointerInfoHistory->Call($pointerId, $entriesCount, $pointerInfo);
# pointerId : DWORD -> DWORD
# entriesCount : DWORD* in/out -> LPVOID
# pointerInfo : POINTER_INFO* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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