Win32 API 日本語リファレンス
ホーム › Media.Multimedia › GetOpenFileNamePreviewA

GetOpenFileNamePreviewA

関数
プレビュー付きのファイルを開くダイアログを表示する(ANSI版)。
DLLMSVFW32.dll文字セットANSI (-A)呼出規約winapi対応OSWindows 2000 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

// MSVFW32.dll  (ANSI / -A)
#include <windows.h>

BOOL GetOpenFileNamePreviewA(
    OPENFILENAMEA* lpofn
);

パラメーター

名前型方向
lpofnOPENFILENAMEA*inout

戻り値の型: BOOL

各言語での呼び出し定義

// MSVFW32.dll  (ANSI / -A)
#include <windows.h>

BOOL GetOpenFileNamePreviewA(
    OPENFILENAMEA* lpofn
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MSVFW32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool GetOpenFileNamePreviewA(
    IntPtr lpofn   // OPENFILENAMEA* in/out
);
<DllImport("MSVFW32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetOpenFileNamePreviewA(
    lpofn As IntPtr   ' OPENFILENAMEA* in/out
) As Boolean
End Function
' lpofn : OPENFILENAMEA* in/out
Declare PtrSafe Function GetOpenFileNamePreviewA Lib "msvfw32" ( _
    ByVal lpofn 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

GetOpenFileNamePreviewA = ctypes.windll.msvfw32.GetOpenFileNamePreviewA
GetOpenFileNamePreviewA.restype = wintypes.BOOL
GetOpenFileNamePreviewA.argtypes = [
    ctypes.c_void_p,  # lpofn : OPENFILENAMEA* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSVFW32.dll')
GetOpenFileNamePreviewA = Fiddle::Function.new(
  lib['GetOpenFileNamePreviewA'],
  [
    Fiddle::TYPE_VOIDP,  # lpofn : OPENFILENAMEA* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "msvfw32")]
extern "system" {
    fn GetOpenFileNamePreviewA(
        lpofn: *mut OPENFILENAMEA  // OPENFILENAMEA* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MSVFW32.dll", CharSet = CharSet.Ansi)]
public static extern bool GetOpenFileNamePreviewA(IntPtr lpofn);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSVFW32_GetOpenFileNamePreviewA' -Namespace Win32 -PassThru
# $api::GetOpenFileNamePreviewA(lpofn)
#uselib "MSVFW32.dll"
#func global GetOpenFileNamePreviewA "GetOpenFileNamePreviewA" sptr
; GetOpenFileNamePreviewA varptr(lpofn)   ; 戻り値は stat
; lpofn : OPENFILENAMEA* in/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 "MSVFW32.dll"
#cfunc global GetOpenFileNamePreviewA "GetOpenFileNamePreviewA" var
; res = GetOpenFileNamePreviewA(lpofn)
; lpofn : OPENFILENAMEA* in/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: 
; BOOL GetOpenFileNamePreviewA(OPENFILENAMEA* lpofn)
#uselib "MSVFW32.dll"
#cfunc global GetOpenFileNamePreviewA "GetOpenFileNamePreviewA" var
; res = GetOpenFileNamePreviewA(lpofn)
; lpofn : OPENFILENAMEA* in/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 (
	msvfw32 = windows.NewLazySystemDLL("MSVFW32.dll")
	procGetOpenFileNamePreviewA = msvfw32.NewProc("GetOpenFileNamePreviewA")
)

// lpofn (OPENFILENAMEA* in/out)
r1, _, err := procGetOpenFileNamePreviewA.Call(
	uintptr(lpofn),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function GetOpenFileNamePreviewA(
  lpofn: Pointer   // OPENFILENAMEA* in/out
): BOOL; stdcall;
  external 'MSVFW32.dll' name 'GetOpenFileNamePreviewA';
result := DllCall("MSVFW32\GetOpenFileNamePreviewA"
    , "Ptr", lpofn   ; OPENFILENAMEA* in/out
    , "Int")   ; return: BOOL
●GetOpenFileNamePreviewA(lpofn) = DLL("MSVFW32.dll", "bool GetOpenFileNamePreviewA(void*)")
# 呼び出し: GetOpenFileNamePreviewA(lpofn)
# lpofn : OPENFILENAMEA* in/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)。