Win32 API 日本語リファレンス
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GetPointerFrameInfo

関数
同一フレーム内の複数ポインタ情報を取得する。
DLLUSER32.dll呼出規約winapiSetLastErrorあり対応OSwindows8.0
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シグネチャ

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

BOOL GetPointerFrameInfo(
    DWORD pointerId,
    DWORD* pointerCount,
    POINTER_INFO* pointerInfo   // optional
);

パラメーター

名前型方向説明
pointerIdDWORDin対象ポインタのIDを指定する。同フレームの関連ポインタが取得される。
pointerCountDWORD*inout入力時は配列容量、出力時はフレーム内ポインタ数を表すDWORDへのポインタ。
pointerInfoPOINTER_INFO*outoptionalフレーム内各ポインタの情報を受け取るPOINTER_INFO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 GetPointerFrameInfo(
    DWORD pointerId,
    DWORD* pointerCount,
    POINTER_INFO* pointerInfo   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetPointerFrameInfo(
    uint pointerId,   // DWORD
    ref uint pointerCount,   // DWORD* in/out
    IntPtr pointerInfo   // POINTER_INFO* optional, out
);
<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerFrameInfo(
    pointerId As UInteger,   ' DWORD
    ByRef pointerCount As UInteger,   ' DWORD* in/out
    pointerInfo As IntPtr   ' POINTER_INFO* optional, out
) As Boolean
End Function
' pointerId : DWORD
' pointerCount : DWORD* in/out
' pointerInfo : POINTER_INFO* optional, out
Declare PtrSafe Function GetPointerFrameInfo Lib "user32" ( _
    ByVal pointerId 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

GetPointerFrameInfo = ctypes.windll.user32.GetPointerFrameInfo
GetPointerFrameInfo.restype = wintypes.BOOL
GetPointerFrameInfo.argtypes = [
    wintypes.DWORD,  # pointerId : DWORD
    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')
GetPointerFrameInfo = Fiddle::Function.new(
  lib['GetPointerFrameInfo'],
  [
    -Fiddle::TYPE_INT,  # pointerId : DWORD
    Fiddle::TYPE_VOIDP,  # pointerCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pointerInfo : POINTER_INFO* optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "user32")]
extern "system" {
    fn GetPointerFrameInfo(
        pointerId: u32,  // DWORD
        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 GetPointerFrameInfo(uint pointerId, ref uint pointerCount, IntPtr pointerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerFrameInfo' -Namespace Win32 -PassThru
# $api::GetPointerFrameInfo(pointerId, pointerCount, pointerInfo)
#uselib "USER32.dll"
#func global GetPointerFrameInfo "GetPointerFrameInfo" sptr, sptr, sptr
; GetPointerFrameInfo pointerId, varptr(pointerCount), varptr(pointerInfo)   ; 戻り値は stat
; pointerId : DWORD -> "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 GetPointerFrameInfo "GetPointerFrameInfo" int, var, var
; res = GetPointerFrameInfo(pointerId, pointerCount, pointerInfo)
; pointerId : DWORD -> "int"
; 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。
出力引数: 
; BOOL GetPointerFrameInfo(DWORD pointerId, DWORD* pointerCount, POINTER_INFO* pointerInfo)
#uselib "USER32.dll"
#cfunc global GetPointerFrameInfo "GetPointerFrameInfo" int, var, var
; res = GetPointerFrameInfo(pointerId, pointerCount, pointerInfo)
; pointerId : DWORD -> "int"
; 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetPointerFrameInfo = user32.NewProc("GetPointerFrameInfo")
)

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