SHCreateDefaultContextMenu

// SHELL32.dll
#include <windows.h>

HRESULT SHCreateDefaultContextMenu(
    const DEFCONTEXTMENU* pdcm,
    const GUID* riid,
    void** ppv
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHCreateDefaultContextMenu(
    pdcm As IntPtr,   ' DEFCONTEXTMENU*
    ByRef riid As Guid,   ' GUID*
    ppv As IntPtr   ' void** out
) As Integer
End Function

' pdcm : DEFCONTEXTMENU*
' riid : GUID*
' ppv : void** out
Declare PtrSafe Function SHCreateDefaultContextMenu Lib "shell32" ( _
    ByVal pdcm As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppv 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

SHCreateDefaultContextMenu = ctypes.windll.shell32.SHCreateDefaultContextMenu
SHCreateDefaultContextMenu.restype = ctypes.c_int
SHCreateDefaultContextMenu.argtypes = [
    ctypes.c_void_p,  # pdcm : DEFCONTEXTMENU*
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppv : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHCreateDefaultContextMenu = Fiddle::Function.new(
  lib['SHCreateDefaultContextMenu'],
  [
    Fiddle::TYPE_VOIDP,  # pdcm : DEFCONTEXTMENU*
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppv : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHCreateDefaultContextMenu(
        pdcm: *const DEFCONTEXTMENU,  // DEFCONTEXTMENU*
        riid: *const GUID,  // GUID*
        ppv: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHCreateDefaultContextMenu(IntPtr pdcm, ref Guid riid, IntPtr ppv);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHCreateDefaultContextMenu' -Namespace Win32 -PassThru
# $api::SHCreateDefaultContextMenu(pdcm, riid, ppv)

#uselib "SHELL32.dll"
#func global SHCreateDefaultContextMenu "SHCreateDefaultContextMenu" sptr, sptr, sptr
; SHCreateDefaultContextMenu varptr(pdcm), varptr(riid), ppv   ; 戻り値は stat
; pdcm : DEFCONTEXTMENU* -> "sptr"
; riid : GUID* -> "sptr"
; ppv : void** 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 "SHELL32.dll"
#cfunc global SHCreateDefaultContextMenu "SHCreateDefaultContextMenu" var, var, sptr
; res = SHCreateDefaultContextMenu(pdcm, riid, ppv)
; pdcm : DEFCONTEXTMENU* -> "var"
; riid : GUID* -> "var"
; ppv : void** 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 SHCreateDefaultContextMenu(DEFCONTEXTMENU* pdcm, GUID* riid, void** ppv)
#uselib "SHELL32.dll"
#cfunc global SHCreateDefaultContextMenu "SHCreateDefaultContextMenu" var, var, intptr
; res = SHCreateDefaultContextMenu(pdcm, riid, ppv)
; pdcm : DEFCONTEXTMENU* -> "var"
; riid : GUID* -> "var"
; ppv : void** 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHCreateDefaultContextMenu = shell32.NewProc("SHCreateDefaultContextMenu")
)

// pdcm (DEFCONTEXTMENU*), riid (GUID*), ppv (void** out)
r1, _, err := procSHCreateDefaultContextMenu.Call(
	uintptr(pdcm),
	uintptr(riid),
	uintptr(ppv),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHCreateDefaultContextMenu(
  pdcm: Pointer;   // DEFCONTEXTMENU*
  riid: PGUID;   // GUID*
  ppv: Pointer   // void** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHCreateDefaultContextMenu';

result := DllCall("SHELL32\SHCreateDefaultContextMenu"
    , "Ptr", pdcm   ; DEFCONTEXTMENU*
    , "Ptr", riid   ; GUID*
    , "Ptr", ppv   ; void** out
    , "Int")   ; return: HRESULT

●SHCreateDefaultContextMenu(pdcm, riid, ppv) = DLL("SHELL32.dll", "int SHCreateDefaultContextMenu(void*, void*, void*)")
# 呼び出し: SHCreateDefaultContextMenu(pdcm, riid, ppv)
# pdcm : DEFCONTEXTMENU* -> "void*"
# riid : GUID* -> "void*"
# ppv : void** 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)。