SHPropStgReadMultiple

// SHELL32.dll
#include <windows.h>

HRESULT SHPropStgReadMultiple(
    IPropertyStorage* pps,
    DWORD uCodePage,
    DWORD cpspec,
    const PROPSPEC* rgpspec,
    PROPVARIANT* rgvar
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHPropStgReadMultiple(
    pps As IntPtr,   ' IPropertyStorage*
    uCodePage As UInteger,   ' DWORD
    cpspec As UInteger,   ' DWORD
    rgpspec As IntPtr,   ' PROPSPEC*
    rgvar As IntPtr   ' PROPVARIANT* out
) As Integer
End Function

' pps : IPropertyStorage*
' uCodePage : DWORD
' cpspec : DWORD
' rgpspec : PROPSPEC*
' rgvar : PROPVARIANT* out
Declare PtrSafe Function SHPropStgReadMultiple Lib "shell32" ( _
    ByVal pps As LongPtr, _
    ByVal uCodePage As Long, _
    ByVal cpspec As Long, _
    ByVal rgpspec As LongPtr, _
    ByVal rgvar 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

SHPropStgReadMultiple = ctypes.windll.shell32.SHPropStgReadMultiple
SHPropStgReadMultiple.restype = ctypes.c_int
SHPropStgReadMultiple.argtypes = [
    ctypes.c_void_p,  # pps : IPropertyStorage*
    wintypes.DWORD,  # uCodePage : DWORD
    wintypes.DWORD,  # cpspec : DWORD
    ctypes.c_void_p,  # rgpspec : PROPSPEC*
    ctypes.c_void_p,  # rgvar : PROPVARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHPropStgReadMultiple = Fiddle::Function.new(
  lib['SHPropStgReadMultiple'],
  [
    Fiddle::TYPE_VOIDP,  # pps : IPropertyStorage*
    -Fiddle::TYPE_INT,  # uCodePage : DWORD
    -Fiddle::TYPE_INT,  # cpspec : DWORD
    Fiddle::TYPE_VOIDP,  # rgpspec : PROPSPEC*
    Fiddle::TYPE_VOIDP,  # rgvar : PROPVARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHPropStgReadMultiple(
        pps: *mut core::ffi::c_void,  // IPropertyStorage*
        uCodePage: u32,  // DWORD
        cpspec: u32,  // DWORD
        rgpspec: *const PROPSPEC,  // PROPSPEC*
        rgvar: *mut PROPVARIANT  // PROPVARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHPropStgReadMultiple(IntPtr pps, uint uCodePage, uint cpspec, IntPtr rgpspec, IntPtr rgvar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHPropStgReadMultiple' -Namespace Win32 -PassThru
# $api::SHPropStgReadMultiple(pps, uCodePage, cpspec, rgpspec, rgvar)

#uselib "SHELL32.dll"
#func global SHPropStgReadMultiple "SHPropStgReadMultiple" sptr, sptr, sptr, sptr, sptr
; SHPropStgReadMultiple pps, uCodePage, cpspec, varptr(rgpspec), varptr(rgvar)   ; 戻り値は stat
; pps : IPropertyStorage* -> "sptr"
; uCodePage : DWORD -> "sptr"
; cpspec : DWORD -> "sptr"
; rgpspec : PROPSPEC* -> "sptr"
; rgvar : 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 "SHELL32.dll"
#cfunc global SHPropStgReadMultiple "SHPropStgReadMultiple" sptr, int, int, var, var
; res = SHPropStgReadMultiple(pps, uCodePage, cpspec, rgpspec, rgvar)
; pps : IPropertyStorage* -> "sptr"
; uCodePage : DWORD -> "int"
; cpspec : DWORD -> "int"
; rgpspec : PROPSPEC* -> "var"
; rgvar : 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 SHPropStgReadMultiple(IPropertyStorage* pps, DWORD uCodePage, DWORD cpspec, PROPSPEC* rgpspec, PROPVARIANT* rgvar)
#uselib "SHELL32.dll"
#cfunc global SHPropStgReadMultiple "SHPropStgReadMultiple" intptr, int, int, var, var
; res = SHPropStgReadMultiple(pps, uCodePage, cpspec, rgpspec, rgvar)
; pps : IPropertyStorage* -> "intptr"
; uCodePage : DWORD -> "int"
; cpspec : DWORD -> "int"
; rgpspec : PROPSPEC* -> "var"
; rgvar : 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHPropStgReadMultiple = shell32.NewProc("SHPropStgReadMultiple")
)

// pps (IPropertyStorage*), uCodePage (DWORD), cpspec (DWORD), rgpspec (PROPSPEC*), rgvar (PROPVARIANT* out)
r1, _, err := procSHPropStgReadMultiple.Call(
	uintptr(pps),
	uintptr(uCodePage),
	uintptr(cpspec),
	uintptr(rgpspec),
	uintptr(rgvar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHPropStgReadMultiple(
  pps: Pointer;   // IPropertyStorage*
  uCodePage: DWORD;   // DWORD
  cpspec: DWORD;   // DWORD
  rgpspec: Pointer;   // PROPSPEC*
  rgvar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHPropStgReadMultiple';

result := DllCall("SHELL32\SHPropStgReadMultiple"
    , "Ptr", pps   ; IPropertyStorage*
    , "UInt", uCodePage   ; DWORD
    , "UInt", cpspec   ; DWORD
    , "Ptr", rgpspec   ; PROPSPEC*
    , "Ptr", rgvar   ; PROPVARIANT* out
    , "Int")   ; return: HRESULT

●SHPropStgReadMultiple(pps, uCodePage, cpspec, rgpspec, rgvar) = DLL("SHELL32.dll", "int SHPropStgReadMultiple(void*, dword, dword, void*, void*)")
# 呼び出し: SHPropStgReadMultiple(pps, uCodePage, cpspec, rgpspec, rgvar)
# pps : IPropertyStorage* -> "void*"
# uCodePage : DWORD -> "dword"
# cpspec : DWORD -> "dword"
# rgpspec : PROPSPEC* -> "void*"
# rgvar : 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)。