SafeArrayAllocDescriptorEx

// OLEAUT32.dll
#include <windows.h>

HRESULT SafeArrayAllocDescriptorEx(
    VARENUM vt,
    DWORD cDims,
    SAFEARRAY** ppsaOut
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function SafeArrayAllocDescriptorEx(
    vt As UShort,   ' VARENUM
    cDims As UInteger,   ' DWORD
    ppsaOut As IntPtr   ' SAFEARRAY** out
) As Integer
End Function

' vt : VARENUM
' cDims : DWORD
' ppsaOut : SAFEARRAY** out
Declare PtrSafe Function SafeArrayAllocDescriptorEx Lib "oleaut32" ( _
    ByVal vt As Integer, _
    ByVal cDims As Long, _
    ByVal ppsaOut 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

SafeArrayAllocDescriptorEx = ctypes.windll.oleaut32.SafeArrayAllocDescriptorEx
SafeArrayAllocDescriptorEx.restype = ctypes.c_int
SafeArrayAllocDescriptorEx.argtypes = [
    ctypes.c_ushort,  # vt : VARENUM
    wintypes.DWORD,  # cDims : DWORD
    ctypes.c_void_p,  # ppsaOut : SAFEARRAY** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
SafeArrayAllocDescriptorEx = Fiddle::Function.new(
  lib['SafeArrayAllocDescriptorEx'],
  [
    -Fiddle::TYPE_SHORT,  # vt : VARENUM
    -Fiddle::TYPE_INT,  # cDims : DWORD
    Fiddle::TYPE_VOIDP,  # ppsaOut : SAFEARRAY** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn SafeArrayAllocDescriptorEx(
        vt: u16,  // VARENUM
        cDims: u32,  // DWORD
        ppsaOut: *mut *mut SAFEARRAY  // SAFEARRAY** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int SafeArrayAllocDescriptorEx(ushort vt, uint cDims, IntPtr ppsaOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_SafeArrayAllocDescriptorEx' -Namespace Win32 -PassThru
# $api::SafeArrayAllocDescriptorEx(vt, cDims, ppsaOut)

#uselib "OLEAUT32.dll"
#func global SafeArrayAllocDescriptorEx "SafeArrayAllocDescriptorEx" sptr, sptr, sptr
; SafeArrayAllocDescriptorEx vt, cDims, varptr(ppsaOut)   ; 戻り値は stat
; vt : VARENUM -> "sptr"
; cDims : DWORD -> "sptr"
; ppsaOut : SAFEARRAY** 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 "OLEAUT32.dll"
#cfunc global SafeArrayAllocDescriptorEx "SafeArrayAllocDescriptorEx" int, int, var
; res = SafeArrayAllocDescriptorEx(vt, cDims, ppsaOut)
; vt : VARENUM -> "int"
; cDims : DWORD -> "int"
; ppsaOut : SAFEARRAY** 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。

; HRESULT SafeArrayAllocDescriptorEx(VARENUM vt, DWORD cDims, SAFEARRAY** ppsaOut)
#uselib "OLEAUT32.dll"
#cfunc global SafeArrayAllocDescriptorEx "SafeArrayAllocDescriptorEx" int, int, var
; res = SafeArrayAllocDescriptorEx(vt, cDims, ppsaOut)
; vt : VARENUM -> "int"
; cDims : DWORD -> "int"
; ppsaOut : SAFEARRAY** 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 (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procSafeArrayAllocDescriptorEx = oleaut32.NewProc("SafeArrayAllocDescriptorEx")
)

// vt (VARENUM), cDims (DWORD), ppsaOut (SAFEARRAY** out)
r1, _, err := procSafeArrayAllocDescriptorEx.Call(
	uintptr(vt),
	uintptr(cDims),
	uintptr(ppsaOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SafeArrayAllocDescriptorEx(
  vt: Word;   // VARENUM
  cDims: DWORD;   // DWORD
  ppsaOut: Pointer   // SAFEARRAY** out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayAllocDescriptorEx';

result := DllCall("OLEAUT32\SafeArrayAllocDescriptorEx"
    , "UShort", vt   ; VARENUM
    , "UInt", cDims   ; DWORD
    , "Ptr", ppsaOut   ; SAFEARRAY** out
    , "Int")   ; return: HRESULT

●SafeArrayAllocDescriptorEx(vt, cDims, ppsaOut) = DLL("OLEAUT32.dll", "int SafeArrayAllocDescriptorEx(int, dword, void*)")
# 呼び出し: SafeArrayAllocDescriptorEx(vt, cDims, ppsaOut)
# vt : VARENUM -> "int"
# cDims : DWORD -> "dword"
# ppsaOut : SAFEARRAY** 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)。