Win32 API 日本語リファレンス
ホームSystem.Com.StructuredStorage › PropVariantToUInt16

PropVariantToUInt16

関数
PROPVARIANTを符号なし16ビット整数へ変換して取得する。
DLLPROPSYS.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT PropVariantToUInt16(
    const PROPVARIANT* propvarIn,
    WORD* puiRet
);

パラメーター

名前方向
propvarInPROPVARIANT*in
puiRetWORD*out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT PropVariantToUInt16(
    const PROPVARIANT* propvarIn,
    WORD* puiRet
);
[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern int PropVariantToUInt16(
    IntPtr propvarIn,   // PROPVARIANT*
    out ushort puiRet   // WORD* out
);
<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToUInt16(
    propvarIn As IntPtr,   ' PROPVARIANT*
    <Out> ByRef puiRet As UShort   ' WORD* out
) As Integer
End Function
' propvarIn : PROPVARIANT*
' puiRet : WORD* out
Declare PtrSafe Function PropVariantToUInt16 Lib "propsys" ( _
    ByVal propvarIn As LongPtr, _
    ByRef puiRet As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

PropVariantToUInt16 = ctypes.windll.propsys.PropVariantToUInt16
PropVariantToUInt16.restype = ctypes.c_int
PropVariantToUInt16.argtypes = [
    ctypes.c_void_p,  # propvarIn : PROPVARIANT*
    ctypes.POINTER(ctypes.c_ushort),  # puiRet : WORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToUInt16 = Fiddle::Function.new(
  lib['PropVariantToUInt16'],
  [
    Fiddle::TYPE_VOIDP,  # propvarIn : PROPVARIANT*
    Fiddle::TYPE_VOIDP,  # puiRet : WORD* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "propsys")]
extern "system" {
    fn PropVariantToUInt16(
        propvarIn: *const PROPVARIANT,  // PROPVARIANT*
        puiRet: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PropVariantToUInt16(IntPtr propvarIn, out ushort puiRet);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToUInt16' -Namespace Win32 -PassThru
# $api::PropVariantToUInt16(propvarIn, puiRet)
#uselib "PROPSYS.dll"
#func global PropVariantToUInt16 "PropVariantToUInt16" sptr, sptr
; PropVariantToUInt16 varptr(propvarIn), varptr(puiRet)   ; 戻り値は stat
; propvarIn : PROPVARIANT* -> "sptr"
; puiRet : WORD* 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 PropVariantToUInt16 "PropVariantToUInt16" var, var
; res = PropVariantToUInt16(propvarIn, puiRet)
; propvarIn : PROPVARIANT* -> "var"
; puiRet : WORD* 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。
出力引数:
; HRESULT PropVariantToUInt16(PROPVARIANT* propvarIn, WORD* puiRet)
#uselib "PROPSYS.dll"
#cfunc global PropVariantToUInt16 "PropVariantToUInt16" var, var
; res = PropVariantToUInt16(propvarIn, puiRet)
; propvarIn : PROPVARIANT* -> "var"
; puiRet : WORD* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procPropVariantToUInt16 = propsys.NewProc("PropVariantToUInt16")
)

// propvarIn (PROPVARIANT*), puiRet (WORD* out)
r1, _, err := procPropVariantToUInt16.Call(
	uintptr(propvarIn),
	uintptr(puiRet),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function PropVariantToUInt16(
  propvarIn: Pointer;   // PROPVARIANT*
  puiRet: Pointer   // WORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToUInt16';
result := DllCall("PROPSYS\PropVariantToUInt16"
    , "Ptr", propvarIn   ; PROPVARIANT*
    , "Ptr", puiRet   ; WORD* out
    , "Int")   ; return: HRESULT
●PropVariantToUInt16(propvarIn, puiRet) = DLL("PROPSYS.dll", "int PropVariantToUInt16(void*, void*)")
# 呼び出し: PropVariantToUInt16(propvarIn, puiRet)
# propvarIn : PROPVARIANT* -> "void*"
# puiRet : WORD* 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)。