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PSFormatForDisplayAlloc
関数プロパティ値を表示用文字列に整形しバッファを確保する。
シグネチャ
// PROPSYS.dll
#include <windows.h>
HRESULT PSFormatForDisplayAlloc(
const PROPERTYKEY* key,
const PROPVARIANT* propvar,
PROPDESC_FORMAT_FLAGS pdff,
LPWSTR* ppszDisplay
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| key | PROPERTYKEY* | in | 整形対象のプロパティを示すプロパティキーへのポインタ。 |
| propvar | PROPVARIANT* | in | 整形元のプロパティ値を保持するPROPVARIANT。 |
| pdff | PROPDESC_FORMAT_FLAGS | in | 表示整形の動作を制御するPROPDESC_FORMAT_FLAGS。 |
| ppszDisplay | LPWSTR* | out | 整形した表示文字列を受け取る出力先。CoTaskMemFreeで解放する。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// PROPSYS.dll
#include <windows.h>
HRESULT PSFormatForDisplayAlloc(
const PROPERTYKEY* key,
const PROPVARIANT* propvar,
PROPDESC_FORMAT_FLAGS pdff,
LPWSTR* ppszDisplay
);[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern int PSFormatForDisplayAlloc(
IntPtr key, // PROPERTYKEY*
IntPtr propvar, // PROPVARIANT*
int pdff, // PROPDESC_FORMAT_FLAGS
IntPtr ppszDisplay // LPWSTR* out
);<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PSFormatForDisplayAlloc(
key As IntPtr, ' PROPERTYKEY*
propvar As IntPtr, ' PROPVARIANT*
pdff As Integer, ' PROPDESC_FORMAT_FLAGS
ppszDisplay As IntPtr ' LPWSTR* out
) As Integer
End Function' key : PROPERTYKEY*
' propvar : PROPVARIANT*
' pdff : PROPDESC_FORMAT_FLAGS
' ppszDisplay : LPWSTR* out
Declare PtrSafe Function PSFormatForDisplayAlloc Lib "propsys" ( _
ByVal key As LongPtr, _
ByVal propvar As LongPtr, _
ByVal pdff As Long, _
ByVal ppszDisplay 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
PSFormatForDisplayAlloc = ctypes.windll.propsys.PSFormatForDisplayAlloc
PSFormatForDisplayAlloc.restype = ctypes.c_int
PSFormatForDisplayAlloc.argtypes = [
ctypes.c_void_p, # key : PROPERTYKEY*
ctypes.c_void_p, # propvar : PROPVARIANT*
ctypes.c_int, # pdff : PROPDESC_FORMAT_FLAGS
ctypes.c_void_p, # ppszDisplay : LPWSTR* out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('PROPSYS.dll')
PSFormatForDisplayAlloc = Fiddle::Function.new(
lib['PSFormatForDisplayAlloc'],
[
Fiddle::TYPE_VOIDP, # key : PROPERTYKEY*
Fiddle::TYPE_VOIDP, # propvar : PROPVARIANT*
Fiddle::TYPE_INT, # pdff : PROPDESC_FORMAT_FLAGS
Fiddle::TYPE_VOIDP, # ppszDisplay : LPWSTR* out
],
Fiddle::TYPE_INT)#[link(name = "propsys")]
extern "system" {
fn PSFormatForDisplayAlloc(
key: *const PROPERTYKEY, // PROPERTYKEY*
propvar: *const PROPVARIANT, // PROPVARIANT*
pdff: i32, // PROPDESC_FORMAT_FLAGS
ppszDisplay: *mut *mut u16 // LPWSTR* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PSFormatForDisplayAlloc(IntPtr key, IntPtr propvar, int pdff, IntPtr ppszDisplay);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PSFormatForDisplayAlloc' -Namespace Win32 -PassThru
# $api::PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay)#uselib "PROPSYS.dll"
#func global PSFormatForDisplayAlloc "PSFormatForDisplayAlloc" sptr, sptr, sptr, sptr
; PSFormatForDisplayAlloc varptr(key), varptr(propvar), pdff, varptr(ppszDisplay) ; 戻り値は stat
; key : PROPERTYKEY* -> "sptr"
; propvar : PROPVARIANT* -> "sptr"
; pdff : PROPDESC_FORMAT_FLAGS -> "sptr"
; ppszDisplay : 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。出力引数:
#uselib "PROPSYS.dll" #cfunc global PSFormatForDisplayAlloc "PSFormatForDisplayAlloc" var, var, int, var ; res = PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay) ; key : PROPERTYKEY* -> "var" ; propvar : PROPVARIANT* -> "var" ; pdff : PROPDESC_FORMAT_FLAGS -> "int" ; ppszDisplay : 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。#uselib "PROPSYS.dll" #cfunc global PSFormatForDisplayAlloc "PSFormatForDisplayAlloc" sptr, sptr, int, sptr ; res = PSFormatForDisplayAlloc(varptr(key), varptr(propvar), pdff, varptr(ppszDisplay)) ; key : PROPERTYKEY* -> "sptr" ; propvar : PROPVARIANT* -> "sptr" ; pdff : PROPDESC_FORMAT_FLAGS -> "int" ; ppszDisplay : LPWSTR* 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 PSFormatForDisplayAlloc(PROPERTYKEY* key, PROPVARIANT* propvar, PROPDESC_FORMAT_FLAGS pdff, LPWSTR* ppszDisplay) #uselib "PROPSYS.dll" #cfunc global PSFormatForDisplayAlloc "PSFormatForDisplayAlloc" var, var, int, var ; res = PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay) ; key : PROPERTYKEY* -> "var" ; propvar : PROPVARIANT* -> "var" ; pdff : PROPDESC_FORMAT_FLAGS -> "int" ; ppszDisplay : 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 PSFormatForDisplayAlloc(PROPERTYKEY* key, PROPVARIANT* propvar, PROPDESC_FORMAT_FLAGS pdff, LPWSTR* ppszDisplay) #uselib "PROPSYS.dll" #cfunc global PSFormatForDisplayAlloc "PSFormatForDisplayAlloc" intptr, intptr, int, intptr ; res = PSFormatForDisplayAlloc(varptr(key), varptr(propvar), pdff, varptr(ppszDisplay)) ; key : PROPERTYKEY* -> "intptr" ; propvar : PROPVARIANT* -> "intptr" ; pdff : PROPDESC_FORMAT_FLAGS -> "int" ; ppszDisplay : LPWSTR* 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 (
propsys = windows.NewLazySystemDLL("PROPSYS.dll")
procPSFormatForDisplayAlloc = propsys.NewProc("PSFormatForDisplayAlloc")
)
// key (PROPERTYKEY*), propvar (PROPVARIANT*), pdff (PROPDESC_FORMAT_FLAGS), ppszDisplay (LPWSTR* out)
r1, _, err := procPSFormatForDisplayAlloc.Call(
uintptr(key),
uintptr(propvar),
uintptr(pdff),
uintptr(ppszDisplay),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction PSFormatForDisplayAlloc(
key: Pointer; // PROPERTYKEY*
propvar: Pointer; // PROPVARIANT*
pdff: Integer; // PROPDESC_FORMAT_FLAGS
ppszDisplay: PPWideChar // LPWSTR* out
): Integer; stdcall;
external 'PROPSYS.dll' name 'PSFormatForDisplayAlloc';result := DllCall("PROPSYS\PSFormatForDisplayAlloc"
, "Ptr", key ; PROPERTYKEY*
, "Ptr", propvar ; PROPVARIANT*
, "Int", pdff ; PROPDESC_FORMAT_FLAGS
, "Ptr", ppszDisplay ; LPWSTR* out
, "Int") ; return: HRESULT●PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay) = DLL("PROPSYS.dll", "int PSFormatForDisplayAlloc(void*, void*, int, void*)")
# 呼び出し: PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay)
# key : PROPERTYKEY* -> "void*"
# propvar : PROPVARIANT* -> "void*"
# pdff : PROPDESC_FORMAT_FLAGS -> "int"
# ppszDisplay : 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)。const std = @import("std");
extern "propsys" fn PSFormatForDisplayAlloc(
key: [*c]PROPERTYKEY, // PROPERTYKEY*
propvar: [*c]PROPVARIANT, // PROPVARIANT*
pdff: i32, // PROPDESC_FORMAT_FLAGS
ppszDisplay: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) i32;proc PSFormatForDisplayAlloc(
key: ptr PROPERTYKEY, # PROPERTYKEY*
propvar: ptr PROPVARIANT, # PROPVARIANT*
pdff: int32, # PROPDESC_FORMAT_FLAGS
ppszDisplay: ptr WideCString # LPWSTR* out
): int32 {.importc: "PSFormatForDisplayAlloc", stdcall, dynlib: "PROPSYS.dll".}pragma(lib, "propsys");
extern(Windows)
int PSFormatForDisplayAlloc(
PROPERTYKEY* key, // PROPERTYKEY*
PROPVARIANT* propvar, // PROPVARIANT*
int pdff, // PROPDESC_FORMAT_FLAGS
wchar** ppszDisplay // LPWSTR* out
);ccall((:PSFormatForDisplayAlloc, "PROPSYS.dll"), stdcall, Int32,
(Ptr{PROPERTYKEY}, Ptr{PROPVARIANT}, Int32, Ptr{Ptr{UInt16}}),
key, propvar, pdff, ppszDisplay)
# key : PROPERTYKEY* -> Ptr{PROPERTYKEY}
# propvar : PROPVARIANT* -> Ptr{PROPVARIANT}
# pdff : PROPDESC_FORMAT_FLAGS -> Int32
# ppszDisplay : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t PSFormatForDisplayAlloc(
void* key,
void* propvar,
int32_t pdff,
uint16_t** ppszDisplay);
]]
local propsys = ffi.load("propsys")
-- propsys.PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay)
-- key : PROPERTYKEY*
-- propvar : PROPVARIANT*
-- pdff : PROPDESC_FORMAT_FLAGS
-- ppszDisplay : LPWSTR* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('PROPSYS.dll');
const PSFormatForDisplayAlloc = lib.func('__stdcall', 'PSFormatForDisplayAlloc', 'int32_t', ['void *', 'void *', 'int32_t', 'void *']);
// PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay)
// key : PROPERTYKEY* -> 'void *'
// propvar : PROPVARIANT* -> 'void *'
// pdff : PROPDESC_FORMAT_FLAGS -> 'int32_t'
// ppszDisplay : LPWSTR* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("PROPSYS.dll", {
PSFormatForDisplayAlloc: { parameters: ["pointer", "pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay)
// key : PROPERTYKEY* -> "pointer"
// propvar : PROPVARIANT* -> "pointer"
// pdff : PROPDESC_FORMAT_FLAGS -> "i32"
// ppszDisplay : LPWSTR* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t PSFormatForDisplayAlloc(
void* key,
void* propvar,
int32_t pdff,
uint16_t** ppszDisplay);
C, "PROPSYS.dll");
// $ffi->PSFormatForDisplayAlloc(key, propvar, pdff, ppszDisplay);
// key : PROPERTYKEY*
// propvar : PROPVARIANT*
// pdff : PROPDESC_FORMAT_FLAGS
// ppszDisplay : LPWSTR* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Propsys extends StdCallLibrary {
Propsys INSTANCE = Native.load("propsys", Propsys.class);
int PSFormatForDisplayAlloc(
Pointer key, // PROPERTYKEY*
Pointer propvar, // PROPVARIANT*
int pdff, // PROPDESC_FORMAT_FLAGS
PointerByReference ppszDisplay // LPWSTR* out
);
}@[Link("propsys")]
lib LibPROPSYS
fun PSFormatForDisplayAlloc = PSFormatForDisplayAlloc(
key : PROPERTYKEY*, # PROPERTYKEY*
propvar : PROPVARIANT*, # PROPVARIANT*
pdff : Int32, # PROPDESC_FORMAT_FLAGS
ppszDisplay : UInt16** # LPWSTR* out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef PSFormatForDisplayAllocNative = Int32 Function(Pointer<Void>, Pointer<Void>, Int32, Pointer<Pointer<Utf16>>);
typedef PSFormatForDisplayAllocDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Pointer<Utf16>>);
final PSFormatForDisplayAlloc = DynamicLibrary.open('PROPSYS.dll')
.lookupFunction<PSFormatForDisplayAllocNative, PSFormatForDisplayAllocDart>('PSFormatForDisplayAlloc');
// key : PROPERTYKEY* -> Pointer<Void>
// propvar : PROPVARIANT* -> Pointer<Void>
// pdff : PROPDESC_FORMAT_FLAGS -> Int32
// ppszDisplay : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function PSFormatForDisplayAlloc(
key: Pointer; // PROPERTYKEY*
propvar: Pointer; // PROPVARIANT*
pdff: Integer; // PROPDESC_FORMAT_FLAGS
ppszDisplay: PPWideChar // LPWSTR* out
): Integer; stdcall;
external 'PROPSYS.dll' name 'PSFormatForDisplayAlloc';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "PSFormatForDisplayAlloc"
c_PSFormatForDisplayAlloc :: Ptr () -> Ptr () -> Int32 -> Ptr CWString -> IO Int32
-- key : PROPERTYKEY* -> Ptr ()
-- propvar : PROPVARIANT* -> Ptr ()
-- pdff : PROPDESC_FORMAT_FLAGS -> Int32
-- ppszDisplay : LPWSTR* out -> Ptr CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let psformatfordisplayalloc =
foreign "PSFormatForDisplayAlloc"
((ptr void) @-> (ptr void) @-> int32_t @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* key : PROPERTYKEY* -> (ptr void) *)
(* propvar : PROPVARIANT* -> (ptr void) *)
(* pdff : PROPDESC_FORMAT_FLAGS -> int32_t *)
(* ppszDisplay : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library propsys (t "PROPSYS.dll"))
(cffi:use-foreign-library propsys)
(cffi:defcfun ("PSFormatForDisplayAlloc" psformat-for-display-alloc :convention :stdcall) :int32
(key :pointer) ; PROPERTYKEY*
(propvar :pointer) ; PROPVARIANT*
(pdff :int32) ; PROPDESC_FORMAT_FLAGS
(ppsz-display :pointer)) ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $PSFormatForDisplayAlloc = Win32::API::More->new('PROPSYS',
'int PSFormatForDisplayAlloc(LPVOID key, LPVOID propvar, int pdff, LPVOID ppszDisplay)');
# my $ret = $PSFormatForDisplayAlloc->Call($key, $propvar, $pdff, $ppszDisplay);
# key : PROPERTYKEY* -> LPVOID
# propvar : PROPVARIANT* -> LPVOID
# pdff : PROPDESC_FORMAT_FLAGS -> int
# ppszDisplay : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。