RoGetActivationFactory

// api-ms-win-core-winrt-l1-1-0.dll
#include <windows.h>

HRESULT RoGetActivationFactory(
    HSTRING activatableClassId,
    const GUID* iid,
    void** factory
);

<DllImport("api-ms-win-core-winrt-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function RoGetActivationFactory(
    activatableClassId As IntPtr,   ' HSTRING
    ByRef iid As Guid,   ' GUID*
    factory As IntPtr   ' void** out
) As Integer
End Function

' activatableClassId : HSTRING
' iid : GUID*
' factory : void** out
Declare PtrSafe Function RoGetActivationFactory Lib "api-ms-win-core-winrt-l1-1-0" ( _
    ByVal activatableClassId As LongPtr, _
    ByVal iid As LongPtr, _
    ByVal factory 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

RoGetActivationFactory = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-l1-1-0.dll").RoGetActivationFactory
RoGetActivationFactory.restype = ctypes.c_int
RoGetActivationFactory.argtypes = [
    wintypes.HANDLE,  # activatableClassId : HSTRING
    ctypes.c_void_p,  # iid : GUID*
    ctypes.c_void_p,  # factory : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-l1-1-0.dll')
RoGetActivationFactory = Fiddle::Function.new(
  lib['RoGetActivationFactory'],
  [
    Fiddle::TYPE_VOIDP,  # activatableClassId : HSTRING
    Fiddle::TYPE_VOIDP,  # iid : GUID*
    Fiddle::TYPE_VOIDP,  # factory : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-winrt-l1-1-0")]
extern "system" {
    fn RoGetActivationFactory(
        activatableClassId: *mut core::ffi::c_void,  // HSTRING
        iid: *const GUID,  // GUID*
        factory: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-winrt-l1-1-0.dll")]
public static extern int RoGetActivationFactory(IntPtr activatableClassId, ref Guid iid, IntPtr factory);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-l1-1-0_RoGetActivationFactory' -Namespace Win32 -PassThru
# $api::RoGetActivationFactory(activatableClassId, iid, factory)

#uselib "api-ms-win-core-winrt-l1-1-0.dll"
#func global RoGetActivationFactory "RoGetActivationFactory" sptr, sptr, sptr
; RoGetActivationFactory activatableClassId, varptr(iid), factory   ; 戻り値は stat
; activatableClassId : HSTRING -> "sptr"
; iid : GUID* -> "sptr"
; factory : 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 "api-ms-win-core-winrt-l1-1-0.dll"
#cfunc global RoGetActivationFactory "RoGetActivationFactory" sptr, var, sptr
; res = RoGetActivationFactory(activatableClassId, iid, factory)
; activatableClassId : HSTRING -> "sptr"
; iid : GUID* -> "var"
; factory : 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 RoGetActivationFactory(HSTRING activatableClassId, GUID* iid, void** factory)
#uselib "api-ms-win-core-winrt-l1-1-0.dll"
#cfunc global RoGetActivationFactory "RoGetActivationFactory" intptr, var, intptr
; res = RoGetActivationFactory(activatableClassId, iid, factory)
; activatableClassId : HSTRING -> "intptr"
; iid : GUID* -> "var"
; factory : 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 (
	api_ms_win_core_winrt_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-l1-1-0.dll")
	procRoGetActivationFactory = api_ms_win_core_winrt_l1_1_0.NewProc("RoGetActivationFactory")
)

// activatableClassId (HSTRING), iid (GUID*), factory (void** out)
r1, _, err := procRoGetActivationFactory.Call(
	uintptr(activatableClassId),
	uintptr(iid),
	uintptr(factory),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RoGetActivationFactory(
  activatableClassId: THandle;   // HSTRING
  iid: PGUID;   // GUID*
  factory: Pointer   // void** out
): Integer; stdcall;
  external 'api-ms-win-core-winrt-l1-1-0.dll' name 'RoGetActivationFactory';

result := DllCall("api-ms-win-core-winrt-l1-1-0\RoGetActivationFactory"
    , "Ptr", activatableClassId   ; HSTRING
    , "Ptr", iid   ; GUID*
    , "Ptr", factory   ; void** out
    , "Int")   ; return: HRESULT

●RoGetActivationFactory(activatableClassId, iid, factory) = DLL("api-ms-win-core-winrt-l1-1-0.dll", "int RoGetActivationFactory(void*, void*, void*)")
# 呼び出し: RoGetActivationFactory(activatableClassId, iid, factory)
# activatableClassId : HSTRING -> "void*"
# iid : GUID* -> "void*"
# factory : 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)。