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VariantToInt16WithDefault

関数

VARIANTを16ビット符号付き整数へ変換し、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 VariantToInt16WithDefault(
    const VARIANT* varIn,
    SHORT iDefault
);

パラメーター

名前	型	方向
varIn	VARIANT*	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 VariantToInt16WithDefault(
    const VARIANT* varIn,
    SHORT iDefault
);

[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern short VariantToInt16WithDefault(
    IntPtr varIn,   // VARIANT*
    short iDefault   // SHORT
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function VariantToInt16WithDefault(
    varIn As IntPtr,   ' VARIANT*
    iDefault As Short   ' SHORT
) As Short
End Function

' varIn : VARIANT*
' iDefault : SHORT
Declare PtrSafe Function VariantToInt16WithDefault Lib "propsys" ( _
    ByVal varIn 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

VariantToInt16WithDefault = ctypes.windll.propsys.VariantToInt16WithDefault
VariantToInt16WithDefault.restype = ctypes.c_short
VariantToInt16WithDefault.argtypes = [
    ctypes.c_void_p,  # varIn : VARIANT*
    ctypes.c_short,  # iDefault : SHORT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
VariantToInt16WithDefault = Fiddle::Function.new(
  lib['VariantToInt16WithDefault'],
  [
    Fiddle::TYPE_VOIDP,  # varIn : VARIANT*
    Fiddle::TYPE_SHORT,  # iDefault : SHORT
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "propsys")]
extern "system" {
    fn VariantToInt16WithDefault(
        varIn: *const VARIANT,  // VARIANT*
        iDefault: i16  // SHORT
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern short VariantToInt16WithDefault(IntPtr varIn, short iDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_VariantToInt16WithDefault' -Namespace Win32 -PassThru
# $api::VariantToInt16WithDefault(varIn, iDefault)

#uselib "PROPSYS.dll"
#func global VariantToInt16WithDefault "VariantToInt16WithDefault" sptr, sptr
; VariantToInt16WithDefault varptr(varIn), iDefault   ; 戻り値は stat
; varIn : VARIANT* -> "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 VariantToInt16WithDefault "VariantToInt16WithDefault" var, int
; res = VariantToInt16WithDefault(varIn, iDefault)
; varIn : VARIANT* -> "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 VariantToInt16WithDefault "VariantToInt16WithDefault" sptr, int
; res = VariantToInt16WithDefault(varptr(varIn), iDefault)
; varIn : VARIANT* -> "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 VariantToInt16WithDefault(VARIANT* varIn, SHORT iDefault)
#uselib "PROPSYS.dll"
#cfunc global VariantToInt16WithDefault "VariantToInt16WithDefault" var, int
; res = VariantToInt16WithDefault(varIn, iDefault)
; varIn : VARIANT* -> "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 VariantToInt16WithDefault(VARIANT* varIn, SHORT iDefault)
#uselib "PROPSYS.dll"
#cfunc global VariantToInt16WithDefault "VariantToInt16WithDefault" intptr, int
; res = VariantToInt16WithDefault(varptr(varIn), iDefault)
; varIn : VARIANT* -> "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")
	procVariantToInt16WithDefault = propsys.NewProc("VariantToInt16WithDefault")
)

// varIn (VARIANT*), iDefault (SHORT)
r1, _, err := procVariantToInt16WithDefault.Call(
	uintptr(varIn),
	uintptr(iDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function VariantToInt16WithDefault(
  varIn: Pointer;   // VARIANT*
  iDefault: Smallint   // SHORT
): Smallint; stdcall;
  external 'PROPSYS.dll' name 'VariantToInt16WithDefault';

result := DllCall("PROPSYS\VariantToInt16WithDefault"
    , "Ptr", varIn   ; VARIANT*
    , "Short", iDefault   ; SHORT
    , "Short")   ; return: SHORT

●VariantToInt16WithDefault(varIn, iDefault) = DLL("PROPSYS.dll", "int VariantToInt16WithDefault(void*, int)")
# 呼び出し: VariantToInt16WithDefault(varIn, iDefault)
# varIn : VARIANT* -> "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)。