HRGN_UserSize64

関数

64ビット環境でHRGNのマーシャリング用バッファサイズを算出する。

DLLapi-ms-win-core-marshal-l1-1-0.dll呼出規約winapi

シグネチャ

// api-ms-win-core-marshal-l1-1-0.dll
#include <windows.h>

DWORD HRGN_UserSize64(
    DWORD* param0,
    DWORD param1,
    HRGN* param2
);

パラメーター

名前	型	方向
param0	DWORD*	in
param1	DWORD	in
param2	HRGN*	in

戻り値の型: DWORD

各言語での呼び出し定義

// api-ms-win-core-marshal-l1-1-0.dll
#include <windows.h>

DWORD HRGN_UserSize64(
    DWORD* param0,
    DWORD param1,
    HRGN* param2
);

[DllImport("api-ms-win-core-marshal-l1-1-0.dll", ExactSpelling = true)]
static extern uint HRGN_UserSize64(
    ref uint param0,   // DWORD*
    uint param1,   // DWORD
    IntPtr param2   // HRGN*
);

<DllImport("api-ms-win-core-marshal-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function HRGN_UserSize64(
    ByRef param0 As UInteger,   ' DWORD*
    param1 As UInteger,   ' DWORD
    param2 As IntPtr   ' HRGN*
) As UInteger
End Function

' param0 : DWORD*
' param1 : DWORD
' param2 : HRGN*
Declare PtrSafe Function HRGN_UserSize64 Lib "api-ms-win-core-marshal-l1-1-0" ( _
    ByRef param0 As Long, _
    ByVal param1 As Long, _
    ByVal param2 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

HRGN_UserSize64 = ctypes.windll.LoadLibrary("api-ms-win-core-marshal-l1-1-0.dll").HRGN_UserSize64
HRGN_UserSize64.restype = wintypes.DWORD
HRGN_UserSize64.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # param0 : DWORD*
    wintypes.DWORD,  # param1 : DWORD
    ctypes.c_void_p,  # param2 : HRGN*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-marshal-l1-1-0.dll')
HRGN_UserSize64 = Fiddle::Function.new(
  lib['HRGN_UserSize64'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : DWORD*
    -Fiddle::TYPE_INT,  # param1 : DWORD
    Fiddle::TYPE_VOIDP,  # param2 : HRGN*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-marshal-l1-1-0")]
extern "system" {
    fn HRGN_UserSize64(
        param0: *mut u32,  // DWORD*
        param1: u32,  // DWORD
        param2: *mut *mut core::ffi::c_void  // HRGN*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-marshal-l1-1-0.dll")]
public static extern uint HRGN_UserSize64(ref uint param0, uint param1, IntPtr param2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-marshal-l1-1-0_HRGN_UserSize64' -Namespace Win32 -PassThru
# $api::HRGN_UserSize64(param0, param1, param2)

#uselib "api-ms-win-core-marshal-l1-1-0.dll"
#func global HRGN_UserSize64 "HRGN_UserSize64" sptr, sptr, sptr
; HRGN_UserSize64 varptr(param0), param1, param2   ; 戻り値は stat
; param0 : DWORD* -> "sptr"
; param1 : DWORD -> "sptr"
; param2 : HRGN* -> "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 "api-ms-win-core-marshal-l1-1-0.dll"
#cfunc global HRGN_UserSize64 "HRGN_UserSize64" var, int, sptr
; res = HRGN_UserSize64(param0, param1, param2)
; param0 : DWORD* -> "var"
; param1 : DWORD -> "int"
; param2 : HRGN* -> "sptr"
; ※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 "api-ms-win-core-marshal-l1-1-0.dll"
#cfunc global HRGN_UserSize64 "HRGN_UserSize64" sptr, int, sptr
; res = HRGN_UserSize64(varptr(param0), param1, param2)
; param0 : DWORD* -> "sptr"
; param1 : DWORD -> "int"
; param2 : HRGN* -> "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:

; DWORD HRGN_UserSize64(DWORD* param0, DWORD param1, HRGN* param2)
#uselib "api-ms-win-core-marshal-l1-1-0.dll"
#cfunc global HRGN_UserSize64 "HRGN_UserSize64" var, int, intptr
; res = HRGN_UserSize64(param0, param1, param2)
; param0 : DWORD* -> "var"
; param1 : DWORD -> "int"
; param2 : HRGN* -> "intptr"
; ※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。; DWORD HRGN_UserSize64(DWORD* param0, DWORD param1, HRGN* param2)
#uselib "api-ms-win-core-marshal-l1-1-0.dll"
#cfunc global HRGN_UserSize64 "HRGN_UserSize64" intptr, int, intptr
; res = HRGN_UserSize64(varptr(param0), param1, param2)
; param0 : DWORD* -> "intptr"
; param1 : DWORD -> "int"
; param2 : HRGN* -> "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 (
	api_ms_win_core_marshal_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-marshal-l1-1-0.dll")
	procHRGN_UserSize64 = api_ms_win_core_marshal_l1_1_0.NewProc("HRGN_UserSize64")
)

// param0 (DWORD*), param1 (DWORD), param2 (HRGN*)
r1, _, err := procHRGN_UserSize64.Call(
	uintptr(param0),
	uintptr(param1),
	uintptr(param2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HRGN_UserSize64(
  param0: Pointer;   // DWORD*
  param1: DWORD;   // DWORD
  param2: Pointer   // HRGN*
): DWORD; stdcall;
  external 'api-ms-win-core-marshal-l1-1-0.dll' name 'HRGN_UserSize64';

result := DllCall("api-ms-win-core-marshal-l1-1-0\HRGN_UserSize64"
    , "Ptr", param0   ; DWORD*
    , "UInt", param1   ; DWORD
    , "Ptr", param2   ; HRGN*
    , "UInt")   ; return: DWORD

●HRGN_UserSize64(param0, param1, param2) = DLL("api-ms-win-core-marshal-l1-1-0.dll", "dword HRGN_UserSize64(void*, dword, void*)")
# 呼び出し: HRGN_UserSize64(param0, param1, param2)
# param0 : DWORD* -> "void*"
# param1 : DWORD -> "dword"
# param2 : HRGN* -> "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)。