OleRegEnumVerbs

// OLE32.dll
#include <windows.h>

HRESULT OleRegEnumVerbs(
    const GUID* clsid,
    IEnumOLEVERB** ppenum
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleRegEnumVerbs(
    ByRef clsid As Guid,   ' GUID*
    ppenum As IntPtr   ' IEnumOLEVERB** out
) As Integer
End Function

' clsid : GUID*
' ppenum : IEnumOLEVERB** out
Declare PtrSafe Function OleRegEnumVerbs Lib "ole32" ( _
    ByVal clsid As LongPtr, _
    ByVal ppenum 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

OleRegEnumVerbs = ctypes.windll.ole32.OleRegEnumVerbs
OleRegEnumVerbs.restype = ctypes.c_int
OleRegEnumVerbs.argtypes = [
    ctypes.c_void_p,  # clsid : GUID*
    ctypes.c_void_p,  # ppenum : IEnumOLEVERB** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleRegEnumVerbs = Fiddle::Function.new(
  lib['OleRegEnumVerbs'],
  [
    Fiddle::TYPE_VOIDP,  # clsid : GUID*
    Fiddle::TYPE_VOIDP,  # ppenum : IEnumOLEVERB** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn OleRegEnumVerbs(
        clsid: *const GUID,  // GUID*
        ppenum: *mut *mut core::ffi::c_void  // IEnumOLEVERB** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int OleRegEnumVerbs(ref Guid clsid, IntPtr ppenum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleRegEnumVerbs' -Namespace Win32 -PassThru
# $api::OleRegEnumVerbs(clsid, ppenum)

#uselib "OLE32.dll"
#func global OleRegEnumVerbs "OleRegEnumVerbs" sptr, sptr
; OleRegEnumVerbs varptr(clsid), ppenum   ; 戻り値は stat
; clsid : GUID* -> "sptr"
; ppenum : IEnumOLEVERB** 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 "OLE32.dll"
#cfunc global OleRegEnumVerbs "OleRegEnumVerbs" var, sptr
; res = OleRegEnumVerbs(clsid, ppenum)
; clsid : GUID* -> "var"
; ppenum : IEnumOLEVERB** out -> "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。

; HRESULT OleRegEnumVerbs(GUID* clsid, IEnumOLEVERB** ppenum)
#uselib "OLE32.dll"
#cfunc global OleRegEnumVerbs "OleRegEnumVerbs" var, intptr
; res = OleRegEnumVerbs(clsid, ppenum)
; clsid : GUID* -> "var"
; ppenum : IEnumOLEVERB** out -> "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。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleRegEnumVerbs = ole32.NewProc("OleRegEnumVerbs")
)

// clsid (GUID*), ppenum (IEnumOLEVERB** out)
r1, _, err := procOleRegEnumVerbs.Call(
	uintptr(clsid),
	uintptr(ppenum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function OleRegEnumVerbs(
  clsid: PGUID;   // GUID*
  ppenum: Pointer   // IEnumOLEVERB** out
): Integer; stdcall;
  external 'OLE32.dll' name 'OleRegEnumVerbs';

result := DllCall("OLE32\OleRegEnumVerbs"
    , "Ptr", clsid   ; GUID*
    , "Ptr", ppenum   ; IEnumOLEVERB** out
    , "Int")   ; return: HRESULT

●OleRegEnumVerbs(clsid, ppenum) = DLL("OLE32.dll", "int OleRegEnumVerbs(void*, void*)")
# 呼び出し: OleRegEnumVerbs(clsid, ppenum)
# clsid : GUID* -> "void*"
# ppenum : IEnumOLEVERB** 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)。