RoGetServerActivatableClasses

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

HRESULT RoGetServerActivatableClasses(
    HSTRING serverName,
    HSTRING** activatableClassIds,
    DWORD* count
);

<DllImport("api-ms-win-core-winrt-registration-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function RoGetServerActivatableClasses(
    serverName As IntPtr,   ' HSTRING
    activatableClassIds As IntPtr,   ' HSTRING** out
    <Out> ByRef count As UInteger   ' DWORD* out
) As Integer
End Function

' serverName : HSTRING
' activatableClassIds : HSTRING** out
' count : DWORD* out
Declare PtrSafe Function RoGetServerActivatableClasses Lib "api-ms-win-core-winrt-registration-l1-1-0" ( _
    ByVal serverName As LongPtr, _
    ByVal activatableClassIds As LongPtr, _
    ByRef count As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RoGetServerActivatableClasses = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-registration-l1-1-0.dll").RoGetServerActivatableClasses
RoGetServerActivatableClasses.restype = ctypes.c_int
RoGetServerActivatableClasses.argtypes = [
    wintypes.HANDLE,  # serverName : HSTRING
    ctypes.c_void_p,  # activatableClassIds : HSTRING** out
    ctypes.POINTER(wintypes.DWORD),  # count : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-registration-l1-1-0.dll')
RoGetServerActivatableClasses = Fiddle::Function.new(
  lib['RoGetServerActivatableClasses'],
  [
    Fiddle::TYPE_VOIDP,  # serverName : HSTRING
    Fiddle::TYPE_VOIDP,  # activatableClassIds : HSTRING** out
    Fiddle::TYPE_VOIDP,  # count : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-winrt-registration-l1-1-0")]
extern "system" {
    fn RoGetServerActivatableClasses(
        serverName: *mut core::ffi::c_void,  // HSTRING
        activatableClassIds: *mut *mut *mut core::ffi::c_void,  // HSTRING** out
        count: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-winrt-registration-l1-1-0.dll")]
public static extern int RoGetServerActivatableClasses(IntPtr serverName, IntPtr activatableClassIds, out uint count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-registration-l1-1-0_RoGetServerActivatableClasses' -Namespace Win32 -PassThru
# $api::RoGetServerActivatableClasses(serverName, activatableClassIds, count)

#uselib "api-ms-win-core-winrt-registration-l1-1-0.dll"
#func global RoGetServerActivatableClasses "RoGetServerActivatableClasses" sptr, sptr, sptr
; RoGetServerActivatableClasses serverName, activatableClassIds, varptr(count)   ; 戻り値は stat
; serverName : HSTRING -> "sptr"
; activatableClassIds : HSTRING** out -> "sptr"
; count : DWORD* 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-registration-l1-1-0.dll"
#cfunc global RoGetServerActivatableClasses "RoGetServerActivatableClasses" sptr, sptr, var
; res = RoGetServerActivatableClasses(serverName, activatableClassIds, count)
; serverName : HSTRING -> "sptr"
; activatableClassIds : HSTRING** out -> "sptr"
; count : DWORD* 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 RoGetServerActivatableClasses(HSTRING serverName, HSTRING** activatableClassIds, DWORD* count)
#uselib "api-ms-win-core-winrt-registration-l1-1-0.dll"
#cfunc global RoGetServerActivatableClasses "RoGetServerActivatableClasses" intptr, intptr, var
; res = RoGetServerActivatableClasses(serverName, activatableClassIds, count)
; serverName : HSTRING -> "intptr"
; activatableClassIds : HSTRING** out -> "intptr"
; count : DWORD* 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 (
	api_ms_win_core_winrt_registration_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-registration-l1-1-0.dll")
	procRoGetServerActivatableClasses = api_ms_win_core_winrt_registration_l1_1_0.NewProc("RoGetServerActivatableClasses")
)

// serverName (HSTRING), activatableClassIds (HSTRING** out), count (DWORD* out)
r1, _, err := procRoGetServerActivatableClasses.Call(
	uintptr(serverName),
	uintptr(activatableClassIds),
	uintptr(count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RoGetServerActivatableClasses(
  serverName: THandle;   // HSTRING
  activatableClassIds: Pointer;   // HSTRING** out
  count: Pointer   // DWORD* out
): Integer; stdcall;
  external 'api-ms-win-core-winrt-registration-l1-1-0.dll' name 'RoGetServerActivatableClasses';

result := DllCall("api-ms-win-core-winrt-registration-l1-1-0\RoGetServerActivatableClasses"
    , "Ptr", serverName   ; HSTRING
    , "Ptr", activatableClassIds   ; HSTRING** out
    , "Ptr", count   ; DWORD* out
    , "Int")   ; return: HRESULT

●RoGetServerActivatableClasses(serverName, activatableClassIds, count) = DLL("api-ms-win-core-winrt-registration-l1-1-0.dll", "int RoGetServerActivatableClasses(void*, void*, void*)")
# 呼び出し: RoGetServerActivatableClasses(serverName, activatableClassIds, count)
# serverName : HSTRING -> "void*"
# activatableClassIds : HSTRING** out -> "void*"
# count : DWORD* 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)。