SHMultiFileProperties

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

HRESULT SHMultiFileProperties(
    IDataObject* pdtobj,
    DWORD dwFlags
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHMultiFileProperties(
    pdtobj As IntPtr,   ' IDataObject*
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' pdtobj : IDataObject*
' dwFlags : DWORD
Declare PtrSafe Function SHMultiFileProperties Lib "shell32" ( _
    ByVal pdtobj As LongPtr, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHMultiFileProperties = ctypes.windll.shell32.SHMultiFileProperties
SHMultiFileProperties.restype = ctypes.c_int
SHMultiFileProperties.argtypes = [
    ctypes.c_void_p,  # pdtobj : IDataObject*
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHMultiFileProperties = Fiddle::Function.new(
  lib['SHMultiFileProperties'],
  [
    Fiddle::TYPE_VOIDP,  # pdtobj : IDataObject*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHMultiFileProperties(
        pdtobj: *mut core::ffi::c_void,  // IDataObject*
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHMultiFileProperties(IntPtr pdtobj, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHMultiFileProperties' -Namespace Win32 -PassThru
# $api::SHMultiFileProperties(pdtobj, dwFlags)

#uselib "SHELL32.dll"
#func global SHMultiFileProperties "SHMultiFileProperties" sptr, sptr
; SHMultiFileProperties pdtobj, dwFlags   ; 戻り値は stat
; pdtobj : IDataObject* -> "sptr"
; dwFlags : DWORD -> "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 SHMultiFileProperties "SHMultiFileProperties" sptr, int
; res = SHMultiFileProperties(pdtobj, dwFlags)
; pdtobj : IDataObject* -> "sptr"
; dwFlags : DWORD -> "int"

; HRESULT SHMultiFileProperties(IDataObject* pdtobj, DWORD dwFlags)
#uselib "SHELL32.dll"
#cfunc global SHMultiFileProperties "SHMultiFileProperties" intptr, int
; res = SHMultiFileProperties(pdtobj, dwFlags)
; pdtobj : IDataObject* -> "intptr"
; dwFlags : DWORD -> "int"

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHMultiFileProperties = shell32.NewProc("SHMultiFileProperties")
)

// pdtobj (IDataObject*), dwFlags (DWORD)
r1, _, err := procSHMultiFileProperties.Call(
	uintptr(pdtobj),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHMultiFileProperties(
  pdtobj: Pointer;   // IDataObject*
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHMultiFileProperties';

result := DllCall("SHELL32\SHMultiFileProperties"
    , "Ptr", pdtobj   ; IDataObject*
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●SHMultiFileProperties(pdtobj, dwFlags) = DLL("SHELL32.dll", "int SHMultiFileProperties(void*, dword)")
# 呼び出し: SHMultiFileProperties(pdtobj, dwFlags)
# pdtobj : IDataObject* -> "void*"
# dwFlags : DWORD -> "dword"
# 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)。