PSGetNamedPropertyFromPropertyStorage

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

HRESULT PSGetNamedPropertyFromPropertyStorage(
    PCUSERIALIZEDPROPSTORAGE psps,
    DWORD cb,
    LPCWSTR pszName,
    PROPVARIANT* ppropvar
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PSGetNamedPropertyFromPropertyStorage(
    psps As IntPtr,   ' PCUSERIALIZEDPROPSTORAGE
    cb As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pszName As String,   ' LPCWSTR
    ppropvar As IntPtr   ' PROPVARIANT* out
) As Integer
End Function

' psps : PCUSERIALIZEDPROPSTORAGE
' cb : DWORD
' pszName : LPCWSTR
' ppropvar : PROPVARIANT* out
Declare PtrSafe Function PSGetNamedPropertyFromPropertyStorage Lib "propsys" ( _
    ByVal psps As LongPtr, _
    ByVal cb As Long, _
    ByVal pszName As LongPtr, _
    ByVal ppropvar 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

PSGetNamedPropertyFromPropertyStorage = ctypes.windll.propsys.PSGetNamedPropertyFromPropertyStorage
PSGetNamedPropertyFromPropertyStorage.restype = ctypes.c_int
PSGetNamedPropertyFromPropertyStorage.argtypes = [
    ctypes.c_ssize_t,  # psps : PCUSERIALIZEDPROPSTORAGE
    wintypes.DWORD,  # cb : DWORD
    wintypes.LPCWSTR,  # pszName : LPCWSTR
    ctypes.c_void_p,  # ppropvar : PROPVARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PSGetNamedPropertyFromPropertyStorage = Fiddle::Function.new(
  lib['PSGetNamedPropertyFromPropertyStorage'],
  [
    Fiddle::TYPE_INTPTR_T,  # psps : PCUSERIALIZEDPROPSTORAGE
    -Fiddle::TYPE_INT,  # cb : DWORD
    Fiddle::TYPE_VOIDP,  # pszName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ppropvar : PROPVARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PSGetNamedPropertyFromPropertyStorage(
        psps: isize,  // PCUSERIALIZEDPROPSTORAGE
        cb: u32,  // DWORD
        pszName: *const u16,  // LPCWSTR
        ppropvar: *mut PROPVARIANT  // PROPVARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PSGetNamedPropertyFromPropertyStorage(IntPtr psps, uint cb, [MarshalAs(UnmanagedType.LPWStr)] string pszName, IntPtr ppropvar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PSGetNamedPropertyFromPropertyStorage' -Namespace Win32 -PassThru
# $api::PSGetNamedPropertyFromPropertyStorage(psps, cb, pszName, ppropvar)

#uselib "PROPSYS.dll"
#func global PSGetNamedPropertyFromPropertyStorage "PSGetNamedPropertyFromPropertyStorage" sptr, sptr, sptr, sptr
; PSGetNamedPropertyFromPropertyStorage psps, cb, pszName, varptr(ppropvar)   ; 戻り値は stat
; psps : PCUSERIALIZEDPROPSTORAGE -> "sptr"
; cb : DWORD -> "sptr"
; pszName : LPCWSTR -> "sptr"
; ppropvar : PROPVARIANT* 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 PSGetNamedPropertyFromPropertyStorage "PSGetNamedPropertyFromPropertyStorage" sptr, int, wstr, var
; res = PSGetNamedPropertyFromPropertyStorage(psps, cb, pszName, ppropvar)
; psps : PCUSERIALIZEDPROPSTORAGE -> "sptr"
; cb : DWORD -> "int"
; pszName : LPCWSTR -> "wstr"
; ppropvar : PROPVARIANT* 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 PSGetNamedPropertyFromPropertyStorage(PCUSERIALIZEDPROPSTORAGE psps, DWORD cb, LPCWSTR pszName, PROPVARIANT* ppropvar)
#uselib "PROPSYS.dll"
#cfunc global PSGetNamedPropertyFromPropertyStorage "PSGetNamedPropertyFromPropertyStorage" intptr, int, wstr, var
; res = PSGetNamedPropertyFromPropertyStorage(psps, cb, pszName, ppropvar)
; psps : PCUSERIALIZEDPROPSTORAGE -> "intptr"
; cb : DWORD -> "int"
; pszName : LPCWSTR -> "wstr"
; ppropvar : PROPVARIANT* 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")
	procPSGetNamedPropertyFromPropertyStorage = propsys.NewProc("PSGetNamedPropertyFromPropertyStorage")
)

// psps (PCUSERIALIZEDPROPSTORAGE), cb (DWORD), pszName (LPCWSTR), ppropvar (PROPVARIANT* out)
r1, _, err := procPSGetNamedPropertyFromPropertyStorage.Call(
	uintptr(psps),
	uintptr(cb),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszName))),
	uintptr(ppropvar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PSGetNamedPropertyFromPropertyStorage(
  psps: NativeInt;   // PCUSERIALIZEDPROPSTORAGE
  cb: DWORD;   // DWORD
  pszName: PWideChar;   // LPCWSTR
  ppropvar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PSGetNamedPropertyFromPropertyStorage';

result := DllCall("PROPSYS\PSGetNamedPropertyFromPropertyStorage"
    , "Ptr", psps   ; PCUSERIALIZEDPROPSTORAGE
    , "UInt", cb   ; DWORD
    , "WStr", pszName   ; LPCWSTR
    , "Ptr", ppropvar   ; PROPVARIANT* out
    , "Int")   ; return: HRESULT

●PSGetNamedPropertyFromPropertyStorage(psps, cb, pszName, ppropvar) = DLL("PROPSYS.dll", "int PSGetNamedPropertyFromPropertyStorage(int, dword, char*, void*)")
# 呼び出し: PSGetNamedPropertyFromPropertyStorage(psps, cb, pszName, ppropvar)
# psps : PCUSERIALIZEDPROPSTORAGE -> "int"
# cb : DWORD -> "dword"
# pszName : LPCWSTR -> "char*"
# ppropvar : PROPVARIANT* 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)。