PSGetNameFromPropertyKey

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

HRESULT PSGetNameFromPropertyKey(
    const PROPERTYKEY* propkey,
    LPWSTR* ppszCanonicalName
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PSGetNameFromPropertyKey(
    propkey As IntPtr,   ' PROPERTYKEY*
    ppszCanonicalName As IntPtr   ' LPWSTR* out
) As Integer
End Function

' propkey : PROPERTYKEY*
' ppszCanonicalName : LPWSTR* out
Declare PtrSafe Function PSGetNameFromPropertyKey Lib "propsys" ( _
    ByVal propkey As LongPtr, _
    ByVal ppszCanonicalName 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

PSGetNameFromPropertyKey = ctypes.windll.propsys.PSGetNameFromPropertyKey
PSGetNameFromPropertyKey.restype = ctypes.c_int
PSGetNameFromPropertyKey.argtypes = [
    ctypes.c_void_p,  # propkey : PROPERTYKEY*
    ctypes.c_void_p,  # ppszCanonicalName : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PSGetNameFromPropertyKey = Fiddle::Function.new(
  lib['PSGetNameFromPropertyKey'],
  [
    Fiddle::TYPE_VOIDP,  # propkey : PROPERTYKEY*
    Fiddle::TYPE_VOIDP,  # ppszCanonicalName : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PSGetNameFromPropertyKey(
        propkey: *const PROPERTYKEY,  // PROPERTYKEY*
        ppszCanonicalName: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PSGetNameFromPropertyKey(IntPtr propkey, IntPtr ppszCanonicalName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PSGetNameFromPropertyKey' -Namespace Win32 -PassThru
# $api::PSGetNameFromPropertyKey(propkey, ppszCanonicalName)

#uselib "PROPSYS.dll"
#func global PSGetNameFromPropertyKey "PSGetNameFromPropertyKey" sptr, sptr
; PSGetNameFromPropertyKey varptr(propkey), varptr(ppszCanonicalName)   ; 戻り値は stat
; propkey : PROPERTYKEY* -> "sptr"
; ppszCanonicalName : LPWSTR* 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 "PROPSYS.dll"
#cfunc global PSGetNameFromPropertyKey "PSGetNameFromPropertyKey" var, var
; res = PSGetNameFromPropertyKey(propkey, ppszCanonicalName)
; propkey : PROPERTYKEY* -> "var"
; ppszCanonicalName : LPWSTR* 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 PSGetNameFromPropertyKey(PROPERTYKEY* propkey, LPWSTR* ppszCanonicalName)
#uselib "PROPSYS.dll"
#cfunc global PSGetNameFromPropertyKey "PSGetNameFromPropertyKey" var, var
; res = PSGetNameFromPropertyKey(propkey, ppszCanonicalName)
; propkey : PROPERTYKEY* -> "var"
; ppszCanonicalName : LPWSTR* 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 (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procPSGetNameFromPropertyKey = propsys.NewProc("PSGetNameFromPropertyKey")
)

// propkey (PROPERTYKEY*), ppszCanonicalName (LPWSTR* out)
r1, _, err := procPSGetNameFromPropertyKey.Call(
	uintptr(propkey),
	uintptr(ppszCanonicalName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PSGetNameFromPropertyKey(
  propkey: Pointer;   // PROPERTYKEY*
  ppszCanonicalName: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PSGetNameFromPropertyKey';

result := DllCall("PROPSYS\PSGetNameFromPropertyKey"
    , "Ptr", propkey   ; PROPERTYKEY*
    , "Ptr", ppszCanonicalName   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●PSGetNameFromPropertyKey(propkey, ppszCanonicalName) = DLL("PROPSYS.dll", "int PSGetNameFromPropertyKey(void*, void*)")
# 呼び出し: PSGetNameFromPropertyKey(propkey, ppszCanonicalName)
# propkey : PROPERTYKEY* -> "void*"
# ppszCanonicalName : LPWSTR* 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)。