EvaluateProximityToPolygon

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

BOOL EvaluateProximityToPolygon(
    DWORD numVertices,
    const POINT* controlPolygon,
    const TOUCH_HIT_TESTING_INPUT* pHitTestingInput,
    TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* pProximityEval
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EvaluateProximityToPolygon(
    numVertices As UInteger,   ' DWORD
    controlPolygon As IntPtr,   ' POINT*
    pHitTestingInput As IntPtr,   ' TOUCH_HIT_TESTING_INPUT*
    pProximityEval As IntPtr   ' TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
) As Boolean
End Function

' numVertices : DWORD
' controlPolygon : POINT*
' pHitTestingInput : TOUCH_HIT_TESTING_INPUT*
' pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
Declare PtrSafe Function EvaluateProximityToPolygon Lib "user32" ( _
    ByVal numVertices As Long, _
    ByVal controlPolygon As LongPtr, _
    ByVal pHitTestingInput As LongPtr, _
    ByVal pProximityEval 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

EvaluateProximityToPolygon = ctypes.windll.user32.EvaluateProximityToPolygon
EvaluateProximityToPolygon.restype = wintypes.BOOL
EvaluateProximityToPolygon.argtypes = [
    wintypes.DWORD,  # numVertices : DWORD
    ctypes.c_void_p,  # controlPolygon : POINT*
    ctypes.c_void_p,  # pHitTestingInput : TOUCH_HIT_TESTING_INPUT*
    ctypes.c_void_p,  # pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
EvaluateProximityToPolygon = Fiddle::Function.new(
  lib['EvaluateProximityToPolygon'],
  [
    -Fiddle::TYPE_INT,  # numVertices : DWORD
    Fiddle::TYPE_VOIDP,  # controlPolygon : POINT*
    Fiddle::TYPE_VOIDP,  # pHitTestingInput : TOUCH_HIT_TESTING_INPUT*
    Fiddle::TYPE_VOIDP,  # pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn EvaluateProximityToPolygon(
        numVertices: u32,  // DWORD
        controlPolygon: *const POINT,  // POINT*
        pHitTestingInput: *const TOUCH_HIT_TESTING_INPUT,  // TOUCH_HIT_TESTING_INPUT*
        pProximityEval: *mut TOUCH_HIT_TESTING_PROXIMITY_EVALUATION  // TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* 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 EvaluateProximityToPolygon(uint numVertices, IntPtr controlPolygon, IntPtr pHitTestingInput, IntPtr pProximityEval);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_EvaluateProximityToPolygon' -Namespace Win32 -PassThru
# $api::EvaluateProximityToPolygon(numVertices, controlPolygon, pHitTestingInput, pProximityEval)

#uselib "USER32.dll"
#func global EvaluateProximityToPolygon "EvaluateProximityToPolygon" sptr, sptr, sptr, sptr
; EvaluateProximityToPolygon numVertices, varptr(controlPolygon), varptr(pHitTestingInput), varptr(pProximityEval)   ; 戻り値は stat
; numVertices : DWORD -> "sptr"
; controlPolygon : POINT* -> "sptr"
; pHitTestingInput : TOUCH_HIT_TESTING_INPUT* -> "sptr"
; pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* 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 EvaluateProximityToPolygon "EvaluateProximityToPolygon" int, var, var, var
; res = EvaluateProximityToPolygon(numVertices, controlPolygon, pHitTestingInput, pProximityEval)
; numVertices : DWORD -> "int"
; controlPolygon : POINT* -> "var"
; pHitTestingInput : TOUCH_HIT_TESTING_INPUT* -> "var"
; pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* 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 EvaluateProximityToPolygon(DWORD numVertices, POINT* controlPolygon, TOUCH_HIT_TESTING_INPUT* pHitTestingInput, TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* pProximityEval)
#uselib "USER32.dll"
#cfunc global EvaluateProximityToPolygon "EvaluateProximityToPolygon" int, var, var, var
; res = EvaluateProximityToPolygon(numVertices, controlPolygon, pHitTestingInput, pProximityEval)
; numVertices : DWORD -> "int"
; controlPolygon : POINT* -> "var"
; pHitTestingInput : TOUCH_HIT_TESTING_INPUT* -> "var"
; pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* 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")
	procEvaluateProximityToPolygon = user32.NewProc("EvaluateProximityToPolygon")
)

// numVertices (DWORD), controlPolygon (POINT*), pHitTestingInput (TOUCH_HIT_TESTING_INPUT*), pProximityEval (TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out)
r1, _, err := procEvaluateProximityToPolygon.Call(
	uintptr(numVertices),
	uintptr(controlPolygon),
	uintptr(pHitTestingInput),
	uintptr(pProximityEval),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EvaluateProximityToPolygon(
  numVertices: DWORD;   // DWORD
  controlPolygon: Pointer;   // POINT*
  pHitTestingInput: Pointer;   // TOUCH_HIT_TESTING_INPUT*
  pProximityEval: Pointer   // TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
): BOOL; stdcall;
  external 'USER32.dll' name 'EvaluateProximityToPolygon';

result := DllCall("USER32\EvaluateProximityToPolygon"
    , "UInt", numVertices   ; DWORD
    , "Ptr", controlPolygon   ; POINT*
    , "Ptr", pHitTestingInput   ; TOUCH_HIT_TESTING_INPUT*
    , "Ptr", pProximityEval   ; TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* out
    , "Int")   ; return: BOOL

●EvaluateProximityToPolygon(numVertices, controlPolygon, pHitTestingInput, pProximityEval) = DLL("USER32.dll", "bool EvaluateProximityToPolygon(dword, void*, void*, void*)")
# 呼び出し: EvaluateProximityToPolygon(numVertices, controlPolygon, pHitTestingInput, pProximityEval)
# numVertices : DWORD -> "dword"
# controlPolygon : POINT* -> "void*"
# pHitTestingInput : TOUCH_HIT_TESTING_INPUT* -> "void*"
# pProximityEval : TOUCH_HIT_TESTING_PROXIMITY_EVALUATION* 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)。