ホーム › UI.Shell › SHGetAttributesFromDataObject

SHGetAttributesFromDataObject

関数

データオブジェクトからシェルアイテム属性を取得する。

DLLSHELL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT SHGetAttributesFromDataObject(
    IDataObject* pdo,   // optional
    DWORD dwAttributeMask,
    DWORD* pdwAttributes,   // optional
    DWORD* pcItems   // optional
);

パラメーター

名前	型	方向
pdo	IDataObject*	inoptional
dwAttributeMask	DWORD	in
pdwAttributes	DWORD*	outoptional
pcItems	DWORD*	outoptional

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SHGetAttributesFromDataObject(
    IDataObject* pdo,   // optional
    DWORD dwAttributeMask,
    DWORD* pdwAttributes,   // optional
    DWORD* pcItems   // optional
);

[DllImport("SHELL32.dll", ExactSpelling = true)]
static extern int SHGetAttributesFromDataObject(
    IntPtr pdo,   // IDataObject* optional
    uint dwAttributeMask,   // DWORD
    IntPtr pdwAttributes,   // DWORD* optional, out
    IntPtr pcItems   // DWORD* optional, out
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHGetAttributesFromDataObject(
    pdo As IntPtr,   ' IDataObject* optional
    dwAttributeMask As UInteger,   ' DWORD
    pdwAttributes As IntPtr,   ' DWORD* optional, out
    pcItems As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' pdo : IDataObject* optional
' dwAttributeMask : DWORD
' pdwAttributes : DWORD* optional, out
' pcItems : DWORD* optional, out
Declare PtrSafe Function SHGetAttributesFromDataObject Lib "shell32" ( _
    ByVal pdo As LongPtr, _
    ByVal dwAttributeMask As Long, _
    ByVal pdwAttributes As LongPtr, _
    ByVal pcItems 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

SHGetAttributesFromDataObject = ctypes.windll.shell32.SHGetAttributesFromDataObject
SHGetAttributesFromDataObject.restype = ctypes.c_int
SHGetAttributesFromDataObject.argtypes = [
    ctypes.c_void_p,  # pdo : IDataObject* optional
    wintypes.DWORD,  # dwAttributeMask : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwAttributes : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcItems : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHGetAttributesFromDataObject = Fiddle::Function.new(
  lib['SHGetAttributesFromDataObject'],
  [
    Fiddle::TYPE_VOIDP,  # pdo : IDataObject* optional
    -Fiddle::TYPE_INT,  # dwAttributeMask : DWORD
    Fiddle::TYPE_VOIDP,  # pdwAttributes : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pcItems : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHGetAttributesFromDataObject(IntPtr pdo, uint dwAttributeMask, IntPtr pdwAttributes, IntPtr pcItems);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHGetAttributesFromDataObject' -Namespace Win32 -PassThru
# $api::SHGetAttributesFromDataObject(pdo, dwAttributeMask, pdwAttributes, pcItems)

#uselib "SHELL32.dll"
#func global SHGetAttributesFromDataObject "SHGetAttributesFromDataObject" sptr, sptr, sptr, sptr
; SHGetAttributesFromDataObject pdo, dwAttributeMask, varptr(pdwAttributes), varptr(pcItems)   ; 戻り値は stat
; pdo : IDataObject* optional -> "sptr"
; dwAttributeMask : DWORD -> "sptr"
; pdwAttributes : DWORD* optional, out -> "sptr"
; pcItems : DWORD* optional, 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。

出力引数:

#uselib "SHELL32.dll"
#cfunc global SHGetAttributesFromDataObject "SHGetAttributesFromDataObject" sptr, int, var, var
; res = SHGetAttributesFromDataObject(pdo, dwAttributeMask, pdwAttributes, pcItems)
; pdo : IDataObject* optional -> "sptr"
; dwAttributeMask : DWORD -> "int"
; pdwAttributes : DWORD* optional, out -> "var"
; pcItems : DWORD* optional, 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。#uselib "SHELL32.dll"
#cfunc global SHGetAttributesFromDataObject "SHGetAttributesFromDataObject" sptr, int, sptr, sptr
; res = SHGetAttributesFromDataObject(pdo, dwAttributeMask, varptr(pdwAttributes), varptr(pcItems))
; pdo : IDataObject* optional -> "sptr"
; dwAttributeMask : DWORD -> "int"
; pdwAttributes : DWORD* optional, out -> "sptr"
; pcItems : DWORD* optional, out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT SHGetAttributesFromDataObject(IDataObject* pdo, DWORD dwAttributeMask, DWORD* pdwAttributes, DWORD* pcItems)
#uselib "SHELL32.dll"
#cfunc global SHGetAttributesFromDataObject "SHGetAttributesFromDataObject" intptr, int, var, var
; res = SHGetAttributesFromDataObject(pdo, dwAttributeMask, pdwAttributes, pcItems)
; pdo : IDataObject* optional -> "intptr"
; dwAttributeMask : DWORD -> "int"
; pdwAttributes : DWORD* optional, out -> "var"
; pcItems : DWORD* optional, 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 SHGetAttributesFromDataObject(IDataObject* pdo, DWORD dwAttributeMask, DWORD* pdwAttributes, DWORD* pcItems)
#uselib "SHELL32.dll"
#cfunc global SHGetAttributesFromDataObject "SHGetAttributesFromDataObject" intptr, int, intptr, intptr
; res = SHGetAttributesFromDataObject(pdo, dwAttributeMask, varptr(pdwAttributes), varptr(pcItems))
; pdo : IDataObject* optional -> "intptr"
; dwAttributeMask : DWORD -> "int"
; pdwAttributes : DWORD* optional, out -> "intptr"
; pcItems : DWORD* optional, out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHGetAttributesFromDataObject = shell32.NewProc("SHGetAttributesFromDataObject")
)

// pdo (IDataObject* optional), dwAttributeMask (DWORD), pdwAttributes (DWORD* optional, out), pcItems (DWORD* optional, out)
r1, _, err := procSHGetAttributesFromDataObject.Call(
	uintptr(pdo),
	uintptr(dwAttributeMask),
	uintptr(pdwAttributes),
	uintptr(pcItems),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHGetAttributesFromDataObject(
  pdo: Pointer;   // IDataObject* optional
  dwAttributeMask: DWORD;   // DWORD
  pdwAttributes: Pointer;   // DWORD* optional, out
  pcItems: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHGetAttributesFromDataObject';

result := DllCall("SHELL32\SHGetAttributesFromDataObject"
    , "Ptr", pdo   ; IDataObject* optional
    , "UInt", dwAttributeMask   ; DWORD
    , "Ptr", pdwAttributes   ; DWORD* optional, out
    , "Ptr", pcItems   ; DWORD* optional, out
    , "Int")   ; return: HRESULT

●SHGetAttributesFromDataObject(pdo, dwAttributeMask, pdwAttributes, pcItems) = DLL("SHELL32.dll", "int SHGetAttributesFromDataObject(void*, dword, void*, void*)")
# 呼び出し: SHGetAttributesFromDataObject(pdo, dwAttributeMask, pdwAttributes, pcItems)
# pdo : IDataObject* optional -> "void*"
# dwAttributeMask : DWORD -> "dword"
# pdwAttributes : DWORD* optional, out -> "void*"
# pcItems : DWORD* optional, 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)。