ClrCreateManagedInstance

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

HRESULT ClrCreateManagedInstance(
    LPCWSTR pTypeName,
    const GUID* riid,
    void** ppObject
);

<DllImport("MSCorEE.dll", ExactSpelling:=True)>
Public Shared Function ClrCreateManagedInstance(
    <MarshalAs(UnmanagedType.LPWStr)> pTypeName As String,   ' LPCWSTR
    ByRef riid As Guid,   ' GUID*
    ppObject As IntPtr   ' void** in/out
) As Integer
End Function

' pTypeName : LPCWSTR
' riid : GUID*
' ppObject : void** in/out
Declare PtrSafe Function ClrCreateManagedInstance Lib "mscoree" ( _
    ByVal pTypeName As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppObject 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

ClrCreateManagedInstance = ctypes.windll.mscoree.ClrCreateManagedInstance
ClrCreateManagedInstance.restype = ctypes.c_int
ClrCreateManagedInstance.argtypes = [
    wintypes.LPCWSTR,  # pTypeName : LPCWSTR
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppObject : void** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSCorEE.dll')
ClrCreateManagedInstance = Fiddle::Function.new(
  lib['ClrCreateManagedInstance'],
  [
    Fiddle::TYPE_VOIDP,  # pTypeName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppObject : void** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscoree")]
extern "system" {
    fn ClrCreateManagedInstance(
        pTypeName: *const u16,  // LPCWSTR
        riid: *const GUID,  // GUID*
        ppObject: *mut *mut ()  // void** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSCorEE.dll")]
public static extern int ClrCreateManagedInstance([MarshalAs(UnmanagedType.LPWStr)] string pTypeName, ref Guid riid, IntPtr ppObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSCorEE_ClrCreateManagedInstance' -Namespace Win32 -PassThru
# $api::ClrCreateManagedInstance(pTypeName, riid, ppObject)

#uselib "MSCorEE.dll"
#func global ClrCreateManagedInstance "ClrCreateManagedInstance" sptr, sptr, sptr
; ClrCreateManagedInstance pTypeName, varptr(riid), ppObject   ; 戻り値は stat
; pTypeName : LPCWSTR -> "sptr"
; riid : GUID* -> "sptr"
; ppObject : void** in/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 "MSCorEE.dll"
#cfunc global ClrCreateManagedInstance "ClrCreateManagedInstance" wstr, var, sptr
; res = ClrCreateManagedInstance(pTypeName, riid, ppObject)
; pTypeName : LPCWSTR -> "wstr"
; riid : GUID* -> "var"
; ppObject : void** in/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 ClrCreateManagedInstance(LPCWSTR pTypeName, GUID* riid, void** ppObject)
#uselib "MSCorEE.dll"
#cfunc global ClrCreateManagedInstance "ClrCreateManagedInstance" wstr, var, intptr
; res = ClrCreateManagedInstance(pTypeName, riid, ppObject)
; pTypeName : LPCWSTR -> "wstr"
; riid : GUID* -> "var"
; ppObject : void** in/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 (
	mscoree = windows.NewLazySystemDLL("MSCorEE.dll")
	procClrCreateManagedInstance = mscoree.NewProc("ClrCreateManagedInstance")
)

// pTypeName (LPCWSTR), riid (GUID*), ppObject (void** in/out)
r1, _, err := procClrCreateManagedInstance.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pTypeName))),
	uintptr(riid),
	uintptr(ppObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ClrCreateManagedInstance(
  pTypeName: PWideChar;   // LPCWSTR
  riid: PGUID;   // GUID*
  ppObject: Pointer   // void** in/out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'ClrCreateManagedInstance';

result := DllCall("MSCorEE\ClrCreateManagedInstance"
    , "WStr", pTypeName   ; LPCWSTR
    , "Ptr", riid   ; GUID*
    , "Ptr", ppObject   ; void** in/out
    , "Int")   ; return: HRESULT

●ClrCreateManagedInstance(pTypeName, riid, ppObject) = DLL("MSCorEE.dll", "int ClrCreateManagedInstance(char*, void*, void*)")
# 呼び出し: ClrCreateManagedInstance(pTypeName, riid, ppObject)
# pTypeName : LPCWSTR -> "char*"
# riid : GUID* -> "void*"
# ppObject : void** in/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)。