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PropVariantToInt16WithDefault

関数

PROPVARIANTを16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>

SHORT PropVariantToInt16WithDefault(
    const PROPVARIANT* propvarIn,
    SHORT iDefault
);

パラメーター

名前	型	方向
propvarIn	PROPVARIANT*	in
iDefault	SHORT	in

戻り値の型: SHORT

各言語での呼び出し定義

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

SHORT PropVariantToInt16WithDefault(
    const PROPVARIANT* propvarIn,
    SHORT iDefault
);

[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern short PropVariantToInt16WithDefault(
    IntPtr propvarIn,   // PROPVARIANT*
    short iDefault   // SHORT
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToInt16WithDefault(
    propvarIn As IntPtr,   ' PROPVARIANT*
    iDefault As Short   ' SHORT
) As Short
End Function

' propvarIn : PROPVARIANT*
' iDefault : SHORT
Declare PtrSafe Function PropVariantToInt16WithDefault Lib "propsys" ( _
    ByVal propvarIn As LongPtr, _
    ByVal iDefault As Integer) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PropVariantToInt16WithDefault = ctypes.windll.propsys.PropVariantToInt16WithDefault
PropVariantToInt16WithDefault.restype = ctypes.c_short
PropVariantToInt16WithDefault.argtypes = [
    ctypes.c_void_p,  # propvarIn : PROPVARIANT*
    ctypes.c_short,  # iDefault : SHORT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToInt16WithDefault = Fiddle::Function.new(
  lib['PropVariantToInt16WithDefault'],
  [
    Fiddle::TYPE_VOIDP,  # propvarIn : PROPVARIANT*
    Fiddle::TYPE_SHORT,  # iDefault : SHORT
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantToInt16WithDefault(
        propvarIn: *const PROPVARIANT,  // PROPVARIANT*
        iDefault: i16  // SHORT
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern short PropVariantToInt16WithDefault(IntPtr propvarIn, short iDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToInt16WithDefault' -Namespace Win32 -PassThru
# $api::PropVariantToInt16WithDefault(propvarIn, iDefault)

#uselib "PROPSYS.dll"
#func global PropVariantToInt16WithDefault "PropVariantToInt16WithDefault" sptr, sptr
; PropVariantToInt16WithDefault varptr(propvarIn), iDefault   ; 戻り値は stat
; propvarIn : PROPVARIANT* -> "sptr"
; iDefault : SHORT -> "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 PropVariantToInt16WithDefault "PropVariantToInt16WithDefault" var, int
; res = PropVariantToInt16WithDefault(propvarIn, iDefault)
; propvarIn : PROPVARIANT* -> "var"
; iDefault : SHORT -> "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 PropVariantToInt16WithDefault "PropVariantToInt16WithDefault" sptr, int
; res = PropVariantToInt16WithDefault(varptr(propvarIn), iDefault)
; propvarIn : PROPVARIANT* -> "sptr"
; iDefault : SHORT -> "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:

; SHORT PropVariantToInt16WithDefault(PROPVARIANT* propvarIn, SHORT iDefault)
#uselib "PROPSYS.dll"
#cfunc global PropVariantToInt16WithDefault "PropVariantToInt16WithDefault" var, int
; res = PropVariantToInt16WithDefault(propvarIn, iDefault)
; propvarIn : PROPVARIANT* -> "var"
; iDefault : SHORT -> "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。; SHORT PropVariantToInt16WithDefault(PROPVARIANT* propvarIn, SHORT iDefault)
#uselib "PROPSYS.dll"
#cfunc global PropVariantToInt16WithDefault "PropVariantToInt16WithDefault" intptr, int
; res = PropVariantToInt16WithDefault(varptr(propvarIn), iDefault)
; propvarIn : PROPVARIANT* -> "intptr"
; iDefault : SHORT -> "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")
	procPropVariantToInt16WithDefault = propsys.NewProc("PropVariantToInt16WithDefault")
)

// propvarIn (PROPVARIANT*), iDefault (SHORT)
r1, _, err := procPropVariantToInt16WithDefault.Call(
	uintptr(propvarIn),
	uintptr(iDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function PropVariantToInt16WithDefault(
  propvarIn: Pointer;   // PROPVARIANT*
  iDefault: Smallint   // SHORT
): Smallint; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToInt16WithDefault';

result := DllCall("PROPSYS\PropVariantToInt16WithDefault"
    , "Ptr", propvarIn   ; PROPVARIANT*
    , "Short", iDefault   ; SHORT
    , "Short")   ; return: SHORT

●PropVariantToInt16WithDefault(propvarIn, iDefault) = DLL("PROPSYS.dll", "int PropVariantToInt16WithDefault(void*, int)")
# 呼び出し: PropVariantToInt16WithDefault(propvarIn, iDefault)
# propvarIn : PROPVARIANT* -> "void*"
# iDefault : SHORT -> "int"
# 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)。