ホーム › UI.Input.Pointer › GetPointerFrameInfoHistory
GetPointerFrameInfoHistory
関数同一フレームの複数ポインタ情報の履歴を取得する。
シグネチャ
// USER32.dll
#include <windows.h>
BOOL GetPointerFrameInfoHistory(
DWORD pointerId,
DWORD* entriesCount,
DWORD* pointerCount,
POINTER_INFO* pointerInfo // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| pointerId | DWORD | in | 対象ポインタのIDを指定する。 |
| entriesCount | DWORD* | inout | 入力時は履歴フレーム容量、出力時は取得フレーム数を表すDWORDへのポインタ。 |
| pointerCount | DWORD* | inout | 1フレームあたりのポインタ数を受け取るDWORDへのポインタ。 |
| pointerInfo | POINTER_INFO* | outoptional | 履歴付きフレーム情報を受け取るPOINTER_INFO二次元配列へのポインタ。 |
戻り値の型: BOOL
各言語での呼び出し定義
// USER32.dll
#include <windows.h>
BOOL GetPointerFrameInfoHistory(
DWORD pointerId,
DWORD* entriesCount,
DWORD* pointerCount,
POINTER_INFO* pointerInfo // optional
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetPointerFrameInfoHistory(
uint pointerId, // DWORD
ref uint entriesCount, // DWORD* in/out
ref uint pointerCount, // DWORD* in/out
IntPtr pointerInfo // POINTER_INFO* optional, out
);<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerFrameInfoHistory(
pointerId As UInteger, ' DWORD
ByRef entriesCount As UInteger, ' DWORD* in/out
ByRef pointerCount As UInteger, ' DWORD* in/out
pointerInfo As IntPtr ' POINTER_INFO* optional, out
) As Boolean
End Function' pointerId : DWORD
' entriesCount : DWORD* in/out
' pointerCount : DWORD* in/out
' pointerInfo : POINTER_INFO* optional, out
Declare PtrSafe Function GetPointerFrameInfoHistory Lib "user32" ( _
ByVal pointerId As Long, _
ByRef entriesCount As Long, _
ByRef pointerCount 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
GetPointerFrameInfoHistory = ctypes.windll.user32.GetPointerFrameInfoHistory
GetPointerFrameInfoHistory.restype = wintypes.BOOL
GetPointerFrameInfoHistory.argtypes = [
wintypes.DWORD, # pointerId : DWORD
ctypes.POINTER(wintypes.DWORD), # entriesCount : DWORD* in/out
ctypes.POINTER(wintypes.DWORD), # pointerCount : 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')
GetPointerFrameInfoHistory = Fiddle::Function.new(
lib['GetPointerFrameInfoHistory'],
[
-Fiddle::TYPE_INT, # pointerId : DWORD
Fiddle::TYPE_VOIDP, # entriesCount : DWORD* in/out
Fiddle::TYPE_VOIDP, # pointerCount : DWORD* in/out
Fiddle::TYPE_VOIDP, # pointerInfo : POINTER_INFO* optional, out
],
Fiddle::TYPE_INT)#[link(name = "user32")]
extern "system" {
fn GetPointerFrameInfoHistory(
pointerId: u32, // DWORD
entriesCount: *mut u32, // DWORD* in/out
pointerCount: *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 GetPointerFrameInfoHistory(uint pointerId, ref uint entriesCount, ref uint pointerCount, IntPtr pointerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerFrameInfoHistory' -Namespace Win32 -PassThru
# $api::GetPointerFrameInfoHistory(pointerId, entriesCount, pointerCount, pointerInfo)#uselib "USER32.dll"
#func global GetPointerFrameInfoHistory "GetPointerFrameInfoHistory" sptr, sptr, sptr, sptr
; GetPointerFrameInfoHistory pointerId, varptr(entriesCount), varptr(pointerCount), varptr(pointerInfo) ; 戻り値は stat
; pointerId : DWORD -> "sptr"
; entriesCount : DWORD* in/out -> "sptr"
; pointerCount : 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 GetPointerFrameInfoHistory "GetPointerFrameInfoHistory" int, var, var, var ; res = GetPointerFrameInfoHistory(pointerId, entriesCount, pointerCount, pointerInfo) ; pointerId : DWORD -> "int" ; entriesCount : DWORD* in/out -> "var" ; pointerCount : 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。#uselib "USER32.dll" #cfunc global GetPointerFrameInfoHistory "GetPointerFrameInfoHistory" int, sptr, sptr, sptr ; res = GetPointerFrameInfoHistory(pointerId, varptr(entriesCount), varptr(pointerCount), varptr(pointerInfo)) ; pointerId : DWORD -> "int" ; entriesCount : DWORD* in/out -> "sptr" ; pointerCount : DWORD* in/out -> "sptr" ; pointerInfo : POINTER_INFO* optional, 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:
; BOOL GetPointerFrameInfoHistory(DWORD pointerId, DWORD* entriesCount, DWORD* pointerCount, POINTER_INFO* pointerInfo) #uselib "USER32.dll" #cfunc global GetPointerFrameInfoHistory "GetPointerFrameInfoHistory" int, var, var, var ; res = GetPointerFrameInfoHistory(pointerId, entriesCount, pointerCount, pointerInfo) ; pointerId : DWORD -> "int" ; entriesCount : DWORD* in/out -> "var" ; pointerCount : 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。; BOOL GetPointerFrameInfoHistory(DWORD pointerId, DWORD* entriesCount, DWORD* pointerCount, POINTER_INFO* pointerInfo) #uselib "USER32.dll" #cfunc global GetPointerFrameInfoHistory "GetPointerFrameInfoHistory" int, intptr, intptr, intptr ; res = GetPointerFrameInfoHistory(pointerId, varptr(entriesCount), varptr(pointerCount), varptr(pointerInfo)) ; pointerId : DWORD -> "int" ; entriesCount : DWORD* in/out -> "intptr" ; pointerCount : DWORD* in/out -> "intptr" ; pointerInfo : POINTER_INFO* optional, 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 (
user32 = windows.NewLazySystemDLL("USER32.dll")
procGetPointerFrameInfoHistory = user32.NewProc("GetPointerFrameInfoHistory")
)
// pointerId (DWORD), entriesCount (DWORD* in/out), pointerCount (DWORD* in/out), pointerInfo (POINTER_INFO* optional, out)
r1, _, err := procGetPointerFrameInfoHistory.Call(
uintptr(pointerId),
uintptr(entriesCount),
uintptr(pointerCount),
uintptr(pointerInfo),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction GetPointerFrameInfoHistory(
pointerId: DWORD; // DWORD
entriesCount: Pointer; // DWORD* in/out
pointerCount: Pointer; // DWORD* in/out
pointerInfo: Pointer // POINTER_INFO* optional, out
): BOOL; stdcall;
external 'USER32.dll' name 'GetPointerFrameInfoHistory';result := DllCall("USER32\GetPointerFrameInfoHistory"
, "UInt", pointerId ; DWORD
, "Ptr", entriesCount ; DWORD* in/out
, "Ptr", pointerCount ; DWORD* in/out
, "Ptr", pointerInfo ; POINTER_INFO* optional, out
, "Int") ; return: BOOL●GetPointerFrameInfoHistory(pointerId, entriesCount, pointerCount, pointerInfo) = DLL("USER32.dll", "bool GetPointerFrameInfoHistory(dword, void*, void*, void*)")
# 呼び出し: GetPointerFrameInfoHistory(pointerId, entriesCount, pointerCount, pointerInfo)
# pointerId : DWORD -> "dword"
# entriesCount : DWORD* in/out -> "void*"
# pointerCount : 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)。