ホーム › System.Com.StructuredStorage › PropVariantToUInt32WithDefault

PropVariantToUInt32WithDefault

関数

PROPVARIANTを符号なし32ビット整数へ変換し失敗時は既定値を返す。

DLLPROPSYS.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD PropVariantToUInt32WithDefault(
    const PROPVARIANT* propvarIn,
    DWORD ulDefault
);

パラメーター

名前	型	方向
propvarIn	PROPVARIANT*	in
ulDefault	DWORD	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PropVariantToUInt32WithDefault(
    const PROPVARIANT* propvarIn,
    DWORD ulDefault
);

[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern uint PropVariantToUInt32WithDefault(
    IntPtr propvarIn,   // PROPVARIANT*
    uint ulDefault   // DWORD
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToUInt32WithDefault(
    propvarIn As IntPtr,   ' PROPVARIANT*
    ulDefault As UInteger   ' DWORD
) As UInteger
End Function

' propvarIn : PROPVARIANT*
' ulDefault : DWORD
Declare PtrSafe Function PropVariantToUInt32WithDefault Lib "propsys" ( _
    ByVal propvarIn As LongPtr, _
    ByVal ulDefault 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

PropVariantToUInt32WithDefault = ctypes.windll.propsys.PropVariantToUInt32WithDefault
PropVariantToUInt32WithDefault.restype = wintypes.DWORD
PropVariantToUInt32WithDefault.argtypes = [
    ctypes.c_void_p,  # propvarIn : PROPVARIANT*
    wintypes.DWORD,  # ulDefault : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToUInt32WithDefault = Fiddle::Function.new(
  lib['PropVariantToUInt32WithDefault'],
  [
    Fiddle::TYPE_VOIDP,  # propvarIn : PROPVARIANT*
    -Fiddle::TYPE_INT,  # ulDefault : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantToUInt32WithDefault(
        propvarIn: *const PROPVARIANT,  // PROPVARIANT*
        ulDefault: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern uint PropVariantToUInt32WithDefault(IntPtr propvarIn, uint ulDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToUInt32WithDefault' -Namespace Win32 -PassThru
# $api::PropVariantToUInt32WithDefault(propvarIn, ulDefault)

#uselib "PROPSYS.dll"
#func global PropVariantToUInt32WithDefault "PropVariantToUInt32WithDefault" sptr, sptr
; PropVariantToUInt32WithDefault varptr(propvarIn), ulDefault   ; 戻り値は stat
; propvarIn : PROPVARIANT* -> "sptr"
; ulDefault : 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。

出力引数:

#uselib "PROPSYS.dll"
#cfunc global PropVariantToUInt32WithDefault "PropVariantToUInt32WithDefault" var, int
; res = PropVariantToUInt32WithDefault(propvarIn, ulDefault)
; propvarIn : PROPVARIANT* -> "var"
; ulDefault : DWORD -> "int"
; ※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 PropVariantToUInt32WithDefault "PropVariantToUInt32WithDefault" sptr, int
; res = PropVariantToUInt32WithDefault(varptr(propvarIn), ulDefault)
; propvarIn : PROPVARIANT* -> "sptr"
; ulDefault : DWORD -> "int"
; ※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:

; DWORD PropVariantToUInt32WithDefault(PROPVARIANT* propvarIn, DWORD ulDefault)
#uselib "PROPSYS.dll"
#cfunc global PropVariantToUInt32WithDefault "PropVariantToUInt32WithDefault" var, int
; res = PropVariantToUInt32WithDefault(propvarIn, ulDefault)
; propvarIn : PROPVARIANT* -> "var"
; ulDefault : DWORD -> "int"
; ※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。; DWORD PropVariantToUInt32WithDefault(PROPVARIANT* propvarIn, DWORD ulDefault)
#uselib "PROPSYS.dll"
#cfunc global PropVariantToUInt32WithDefault "PropVariantToUInt32WithDefault" intptr, int
; res = PropVariantToUInt32WithDefault(varptr(propvarIn), ulDefault)
; propvarIn : PROPVARIANT* -> "intptr"
; ulDefault : DWORD -> "int"
; ※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")
	procPropVariantToUInt32WithDefault = propsys.NewProc("PropVariantToUInt32WithDefault")
)

// propvarIn (PROPVARIANT*), ulDefault (DWORD)
r1, _, err := procPropVariantToUInt32WithDefault.Call(
	uintptr(propvarIn),
	uintptr(ulDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PropVariantToUInt32WithDefault(
  propvarIn: Pointer;   // PROPVARIANT*
  ulDefault: DWORD   // DWORD
): DWORD; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToUInt32WithDefault';

result := DllCall("PROPSYS\PropVariantToUInt32WithDefault"
    , "Ptr", propvarIn   ; PROPVARIANT*
    , "UInt", ulDefault   ; DWORD
    , "UInt")   ; return: DWORD

●PropVariantToUInt32WithDefault(propvarIn, ulDefault) = DLL("PROPSYS.dll", "dword PropVariantToUInt32WithDefault(void*, dword)")
# 呼び出し: PropVariantToUInt32WithDefault(propvarIn, ulDefault)
# propvarIn : PROPVARIANT* -> "void*"
# ulDefault : 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)。