GetPointerFrameTouchInfo

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

BOOL GetPointerFrameTouchInfo(
    DWORD pointerId,
    DWORD* pointerCount,
    POINTER_TOUCH_INFO* touchInfo   // optional
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerFrameTouchInfo(
    pointerId As UInteger,   ' DWORD
    ByRef pointerCount As UInteger,   ' DWORD* in/out
    touchInfo As IntPtr   ' POINTER_TOUCH_INFO* optional, out
) As Boolean
End Function

' pointerId : DWORD
' pointerCount : DWORD* in/out
' touchInfo : POINTER_TOUCH_INFO* optional, out
Declare PtrSafe Function GetPointerFrameTouchInfo Lib "user32" ( _
    ByVal pointerId As Long, _
    ByRef pointerCount As Long, _
    ByVal touchInfo 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

GetPointerFrameTouchInfo = ctypes.windll.user32.GetPointerFrameTouchInfo
GetPointerFrameTouchInfo.restype = wintypes.BOOL
GetPointerFrameTouchInfo.argtypes = [
    wintypes.DWORD,  # pointerId : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pointerCount : DWORD* in/out
    ctypes.c_void_p,  # touchInfo : POINTER_TOUCH_INFO* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetPointerFrameTouchInfo = Fiddle::Function.new(
  lib['GetPointerFrameTouchInfo'],
  [
    -Fiddle::TYPE_INT,  # pointerId : DWORD
    Fiddle::TYPE_VOIDP,  # pointerCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # touchInfo : POINTER_TOUCH_INFO* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetPointerFrameTouchInfo(
        pointerId: u32,  // DWORD
        pointerCount: *mut u32,  // DWORD* in/out
        touchInfo: *mut POINTER_TOUCH_INFO  // POINTER_TOUCH_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 GetPointerFrameTouchInfo(uint pointerId, ref uint pointerCount, IntPtr touchInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerFrameTouchInfo' -Namespace Win32 -PassThru
# $api::GetPointerFrameTouchInfo(pointerId, pointerCount, touchInfo)

#uselib "USER32.dll"
#func global GetPointerFrameTouchInfo "GetPointerFrameTouchInfo" sptr, sptr, sptr
; GetPointerFrameTouchInfo pointerId, varptr(pointerCount), varptr(touchInfo)   ; 戻り値は stat
; pointerId : DWORD -> "sptr"
; pointerCount : DWORD* in/out -> "sptr"
; touchInfo : POINTER_TOUCH_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。

#uselib "USER32.dll"
#cfunc global GetPointerFrameTouchInfo "GetPointerFrameTouchInfo" int, var, var
; res = GetPointerFrameTouchInfo(pointerId, pointerCount, touchInfo)
; pointerId : DWORD -> "int"
; pointerCount : DWORD* in/out -> "var"
; touchInfo : POINTER_TOUCH_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 GetPointerFrameTouchInfo(DWORD pointerId, DWORD* pointerCount, POINTER_TOUCH_INFO* touchInfo)
#uselib "USER32.dll"
#cfunc global GetPointerFrameTouchInfo "GetPointerFrameTouchInfo" int, var, var
; res = GetPointerFrameTouchInfo(pointerId, pointerCount, touchInfo)
; pointerId : DWORD -> "int"
; pointerCount : DWORD* in/out -> "var"
; touchInfo : POINTER_TOUCH_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")
	procGetPointerFrameTouchInfo = user32.NewProc("GetPointerFrameTouchInfo")
)

// pointerId (DWORD), pointerCount (DWORD* in/out), touchInfo (POINTER_TOUCH_INFO* optional, out)
r1, _, err := procGetPointerFrameTouchInfo.Call(
	uintptr(pointerId),
	uintptr(pointerCount),
	uintptr(touchInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetPointerFrameTouchInfo(
  pointerId: DWORD;   // DWORD
  pointerCount: Pointer;   // DWORD* in/out
  touchInfo: Pointer   // POINTER_TOUCH_INFO* optional, out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerFrameTouchInfo';

result := DllCall("USER32\GetPointerFrameTouchInfo"
    , "UInt", pointerId   ; DWORD
    , "Ptr", pointerCount   ; DWORD* in/out
    , "Ptr", touchInfo   ; POINTER_TOUCH_INFO* optional, out
    , "Int")   ; return: BOOL

●GetPointerFrameTouchInfo(pointerId, pointerCount, touchInfo) = DLL("USER32.dll", "bool GetPointerFrameTouchInfo(dword, void*, void*)")
# 呼び出し: GetPointerFrameTouchInfo(pointerId, pointerCount, touchInfo)
# pointerId : DWORD -> "dword"
# pointerCount : DWORD* in/out -> "void*"
# touchInfo : POINTER_TOUCH_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)。