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EcGetObjectArraySize

関数

オブジェクト配列の要素数を取得する。

DLLWecApi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

BOOL EcGetObjectArraySize(
    INT_PTR ObjectArray,
    DWORD* ObjectArraySize
);

パラメーター

名前	型	方向
ObjectArray	INT_PTR	in
ObjectArraySize	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL EcGetObjectArraySize(
    INT_PTR ObjectArray,
    DWORD* ObjectArraySize
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WecApi.dll", ExactSpelling = true)]
static extern bool EcGetObjectArraySize(
    IntPtr ObjectArray,   // INT_PTR
    out uint ObjectArraySize   // DWORD* out
);

<DllImport("WecApi.dll", ExactSpelling:=True)>
Public Shared Function EcGetObjectArraySize(
    ObjectArray As IntPtr,   ' INT_PTR
    <Out> ByRef ObjectArraySize As UInteger   ' DWORD* out
) As Boolean
End Function

' ObjectArray : INT_PTR
' ObjectArraySize : DWORD* out
Declare PtrSafe Function EcGetObjectArraySize Lib "wecapi" ( _
    ByVal ObjectArray As LongPtr, _
    ByRef ObjectArraySize As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EcGetObjectArraySize = ctypes.windll.wecapi.EcGetObjectArraySize
EcGetObjectArraySize.restype = wintypes.BOOL
EcGetObjectArraySize.argtypes = [
    ctypes.c_ssize_t,  # ObjectArray : INT_PTR
    ctypes.POINTER(wintypes.DWORD),  # ObjectArraySize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WecApi.dll')
EcGetObjectArraySize = Fiddle::Function.new(
  lib['EcGetObjectArraySize'],
  [
    Fiddle::TYPE_INTPTR_T,  # ObjectArray : INT_PTR
    Fiddle::TYPE_VOIDP,  # ObjectArraySize : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wecapi")]
extern "system" {
    fn EcGetObjectArraySize(
        ObjectArray: isize,  // INT_PTR
        ObjectArraySize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WecApi.dll")]
public static extern bool EcGetObjectArraySize(IntPtr ObjectArray, out uint ObjectArraySize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WecApi_EcGetObjectArraySize' -Namespace Win32 -PassThru
# $api::EcGetObjectArraySize(ObjectArray, ObjectArraySize)

#uselib "WecApi.dll"
#func global EcGetObjectArraySize "EcGetObjectArraySize" sptr, sptr
; EcGetObjectArraySize ObjectArray, varptr(ObjectArraySize)   ; 戻り値は stat
; ObjectArray : INT_PTR -> "sptr"
; ObjectArraySize : DWORD* 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 "WecApi.dll"
#cfunc global EcGetObjectArraySize "EcGetObjectArraySize" sptr, var
; res = EcGetObjectArraySize(ObjectArray, ObjectArraySize)
; ObjectArray : INT_PTR -> "sptr"
; ObjectArraySize : DWORD* 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 "WecApi.dll"
#cfunc global EcGetObjectArraySize "EcGetObjectArraySize" sptr, sptr
; res = EcGetObjectArraySize(ObjectArray, varptr(ObjectArraySize))
; ObjectArray : INT_PTR -> "sptr"
; ObjectArraySize : DWORD* 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 EcGetObjectArraySize(INT_PTR ObjectArray, DWORD* ObjectArraySize)
#uselib "WecApi.dll"
#cfunc global EcGetObjectArraySize "EcGetObjectArraySize" intptr, var
; res = EcGetObjectArraySize(ObjectArray, ObjectArraySize)
; ObjectArray : INT_PTR -> "intptr"
; ObjectArraySize : DWORD* 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 EcGetObjectArraySize(INT_PTR ObjectArray, DWORD* ObjectArraySize)
#uselib "WecApi.dll"
#cfunc global EcGetObjectArraySize "EcGetObjectArraySize" intptr, intptr
; res = EcGetObjectArraySize(ObjectArray, varptr(ObjectArraySize))
; ObjectArray : INT_PTR -> "intptr"
; ObjectArraySize : DWORD* 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 (
	wecapi = windows.NewLazySystemDLL("WecApi.dll")
	procEcGetObjectArraySize = wecapi.NewProc("EcGetObjectArraySize")
)

// ObjectArray (INT_PTR), ObjectArraySize (DWORD* out)
r1, _, err := procEcGetObjectArraySize.Call(
	uintptr(ObjectArray),
	uintptr(ObjectArraySize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EcGetObjectArraySize(
  ObjectArray: NativeInt;   // INT_PTR
  ObjectArraySize: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'WecApi.dll' name 'EcGetObjectArraySize';

result := DllCall("WecApi\EcGetObjectArraySize"
    , "Ptr", ObjectArray   ; INT_PTR
    , "Ptr", ObjectArraySize   ; DWORD* out
    , "Int")   ; return: BOOL

●EcGetObjectArraySize(ObjectArray, ObjectArraySize) = DLL("WecApi.dll", "bool EcGetObjectArraySize(int, void*)")
# 呼び出し: EcGetObjectArraySize(ObjectArray, ObjectArraySize)
# ObjectArray : INT_PTR -> "int"
# ObjectArraySize : DWORD* 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)。