PSPropertyBag_WriteUnknown

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

HRESULT PSPropertyBag_WriteUnknown(
    IPropertyBag* propBag,
    LPCWSTR propName,
    IUnknown* punk
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PSPropertyBag_WriteUnknown(
    propBag As IntPtr,   ' IPropertyBag*
    <MarshalAs(UnmanagedType.LPWStr)> propName As String,   ' LPCWSTR
    punk As IntPtr   ' IUnknown*
) As Integer
End Function

' propBag : IPropertyBag*
' propName : LPCWSTR
' punk : IUnknown*
Declare PtrSafe Function PSPropertyBag_WriteUnknown Lib "propsys" ( _
    ByVal propBag As LongPtr, _
    ByVal propName As LongPtr, _
    ByVal punk 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

PSPropertyBag_WriteUnknown = ctypes.windll.propsys.PSPropertyBag_WriteUnknown
PSPropertyBag_WriteUnknown.restype = ctypes.c_int
PSPropertyBag_WriteUnknown.argtypes = [
    ctypes.c_void_p,  # propBag : IPropertyBag*
    wintypes.LPCWSTR,  # propName : LPCWSTR
    ctypes.c_void_p,  # punk : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PSPropertyBag_WriteUnknown = Fiddle::Function.new(
  lib['PSPropertyBag_WriteUnknown'],
  [
    Fiddle::TYPE_VOIDP,  # propBag : IPropertyBag*
    Fiddle::TYPE_VOIDP,  # propName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # punk : IUnknown*
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PSPropertyBag_WriteUnknown(
        propBag: *mut core::ffi::c_void,  // IPropertyBag*
        propName: *const u16,  // LPCWSTR
        punk: *mut core::ffi::c_void  // IUnknown*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PSPropertyBag_WriteUnknown(IntPtr propBag, [MarshalAs(UnmanagedType.LPWStr)] string propName, IntPtr punk);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PSPropertyBag_WriteUnknown' -Namespace Win32 -PassThru
# $api::PSPropertyBag_WriteUnknown(propBag, propName, punk)

#uselib "PROPSYS.dll"
#func global PSPropertyBag_WriteUnknown "PSPropertyBag_WriteUnknown" sptr, sptr, sptr
; PSPropertyBag_WriteUnknown propBag, propName, punk   ; 戻り値は stat
; propBag : IPropertyBag* -> "sptr"
; propName : LPCWSTR -> "sptr"
; punk : IUnknown* -> "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 "PROPSYS.dll"
#cfunc global PSPropertyBag_WriteUnknown "PSPropertyBag_WriteUnknown" sptr, wstr, sptr
; res = PSPropertyBag_WriteUnknown(propBag, propName, punk)
; propBag : IPropertyBag* -> "sptr"
; propName : LPCWSTR -> "wstr"
; punk : IUnknown* -> "sptr"

; HRESULT PSPropertyBag_WriteUnknown(IPropertyBag* propBag, LPCWSTR propName, IUnknown* punk)
#uselib "PROPSYS.dll"
#cfunc global PSPropertyBag_WriteUnknown "PSPropertyBag_WriteUnknown" intptr, wstr, intptr
; res = PSPropertyBag_WriteUnknown(propBag, propName, punk)
; propBag : IPropertyBag* -> "intptr"
; propName : LPCWSTR -> "wstr"
; punk : IUnknown* -> "intptr"

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

var (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procPSPropertyBag_WriteUnknown = propsys.NewProc("PSPropertyBag_WriteUnknown")
)

// propBag (IPropertyBag*), propName (LPCWSTR), punk (IUnknown*)
r1, _, err := procPSPropertyBag_WriteUnknown.Call(
	uintptr(propBag),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(propName))),
	uintptr(punk),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PSPropertyBag_WriteUnknown(
  propBag: Pointer;   // IPropertyBag*
  propName: PWideChar;   // LPCWSTR
  punk: Pointer   // IUnknown*
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PSPropertyBag_WriteUnknown';

result := DllCall("PROPSYS\PSPropertyBag_WriteUnknown"
    , "Ptr", propBag   ; IPropertyBag*
    , "WStr", propName   ; LPCWSTR
    , "Ptr", punk   ; IUnknown*
    , "Int")   ; return: HRESULT

●PSPropertyBag_WriteUnknown(propBag, propName, punk) = DLL("PROPSYS.dll", "int PSPropertyBag_WriteUnknown(void*, char*, void*)")
# 呼び出し: PSPropertyBag_WriteUnknown(propBag, propName, punk)
# propBag : IPropertyBag* -> "void*"
# propName : LPCWSTR -> "char*"
# punk : IUnknown* -> "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)。