DPA_CreateEx

関数

ヒープを指定して動的ポインタ配列を作成する。

DLLCOMCTL32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// COMCTL32.dll
#include <windows.h>

HDPA DPA_CreateEx(
    INT cpGrow,
    HANDLE hheap   // optional
);

パラメーター

名前	型	方向
cpGrow	INT	in
hheap	HANDLE	inoptional

戻り値の型: HDPA

各言語での呼び出し定義

// COMCTL32.dll
#include <windows.h>

HDPA DPA_CreateEx(
    INT cpGrow,
    HANDLE hheap   // optional
);

[DllImport("COMCTL32.dll", ExactSpelling = true)]
static extern IntPtr DPA_CreateEx(
    int cpGrow,   // INT
    IntPtr hheap   // HANDLE optional
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DPA_CreateEx(
    cpGrow As Integer,   ' INT
    hheap As IntPtr   ' HANDLE optional
) As IntPtr
End Function

' cpGrow : INT
' hheap : HANDLE optional
Declare PtrSafe Function DPA_CreateEx Lib "comctl32" ( _
    ByVal cpGrow As Long, _
    ByVal hheap As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DPA_CreateEx = ctypes.windll.comctl32.DPA_CreateEx
DPA_CreateEx.restype = ctypes.c_ssize_t
DPA_CreateEx.argtypes = [
    ctypes.c_int,  # cpGrow : INT
    wintypes.HANDLE,  # hheap : HANDLE optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DPA_CreateEx = Fiddle::Function.new(
  lib['DPA_CreateEx'],
  [
    Fiddle::TYPE_INT,  # cpGrow : INT
    Fiddle::TYPE_VOIDP,  # hheap : HANDLE optional
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "comctl32")]
extern "system" {
    fn DPA_CreateEx(
        cpGrow: i32,  // INT
        hheap: *mut core::ffi::c_void  // HANDLE optional
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMCTL32.dll")]
public static extern IntPtr DPA_CreateEx(int cpGrow, IntPtr hheap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DPA_CreateEx' -Namespace Win32 -PassThru
# $api::DPA_CreateEx(cpGrow, hheap)

#uselib "COMCTL32.dll"
#func global DPA_CreateEx "DPA_CreateEx" sptr, sptr
; DPA_CreateEx cpGrow, hheap   ; 戻り値は stat
; cpGrow : INT -> "sptr"
; hheap : HANDLE optional -> "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 "COMCTL32.dll"
#cfunc global DPA_CreateEx "DPA_CreateEx" int, sptr
; res = DPA_CreateEx(cpGrow, hheap)
; cpGrow : INT -> "int"
; hheap : HANDLE optional -> "sptr"

; HDPA DPA_CreateEx(INT cpGrow, HANDLE hheap)
#uselib "COMCTL32.dll"
#cfunc global DPA_CreateEx "DPA_CreateEx" int, intptr
; res = DPA_CreateEx(cpGrow, hheap)
; cpGrow : INT -> "int"
; hheap : HANDLE optional -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDPA_CreateEx = comctl32.NewProc("DPA_CreateEx")
)

// cpGrow (INT), hheap (HANDLE optional)
r1, _, err := procDPA_CreateEx.Call(
	uintptr(cpGrow),
	uintptr(hheap),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HDPA

function DPA_CreateEx(
  cpGrow: Integer;   // INT
  hheap: THandle   // HANDLE optional
): NativeInt; stdcall;
  external 'COMCTL32.dll' name 'DPA_CreateEx';

result := DllCall("COMCTL32\DPA_CreateEx"
    , "Int", cpGrow   ; INT
    , "Ptr", hheap   ; HANDLE optional
    , "Ptr")   ; return: HDPA

●DPA_CreateEx(cpGrow, hheap) = DLL("COMCTL32.dll", "int DPA_CreateEx(int, void*)")
# 呼び出し: DPA_CreateEx(cpGrow, hheap)
# cpGrow : INT -> "int"
# hheap : HANDLE optional -> "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)。