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MFRequireProtectedEnvironment
関数プレゼンテーションに保護環境が必要かどうかを判定する。
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// MF.dll
#include <windows.h>
HRESULT MFRequireProtectedEnvironment(
IMFPresentationDescriptor* pPresentationDescriptor
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pPresentationDescriptor | IMFPresentationDescriptor* | in |
戻り値の型: HRESULT
各言語での呼び出し定義
// MF.dll
#include <windows.h>
HRESULT MFRequireProtectedEnvironment(
IMFPresentationDescriptor* pPresentationDescriptor
);[DllImport("MF.dll", ExactSpelling = true)]
static extern int MFRequireProtectedEnvironment(
IntPtr pPresentationDescriptor // IMFPresentationDescriptor*
);<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFRequireProtectedEnvironment(
pPresentationDescriptor As IntPtr ' IMFPresentationDescriptor*
) As Integer
End Function' pPresentationDescriptor : IMFPresentationDescriptor*
Declare PtrSafe Function MFRequireProtectedEnvironment Lib "mf" ( _
ByVal pPresentationDescriptor 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
MFRequireProtectedEnvironment = ctypes.windll.mf.MFRequireProtectedEnvironment
MFRequireProtectedEnvironment.restype = ctypes.c_int
MFRequireProtectedEnvironment.argtypes = [
ctypes.c_void_p, # pPresentationDescriptor : IMFPresentationDescriptor*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('MF.dll')
MFRequireProtectedEnvironment = Fiddle::Function.new(
lib['MFRequireProtectedEnvironment'],
[
Fiddle::TYPE_VOIDP, # pPresentationDescriptor : IMFPresentationDescriptor*
],
Fiddle::TYPE_INT)#[link(name = "mf")]
extern "system" {
fn MFRequireProtectedEnvironment(
pPresentationDescriptor: *mut core::ffi::c_void // IMFPresentationDescriptor*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("MF.dll")]
public static extern int MFRequireProtectedEnvironment(IntPtr pPresentationDescriptor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFRequireProtectedEnvironment' -Namespace Win32 -PassThru
# $api::MFRequireProtectedEnvironment(pPresentationDescriptor)#uselib "MF.dll"
#func global MFRequireProtectedEnvironment "MFRequireProtectedEnvironment" sptr
; MFRequireProtectedEnvironment pPresentationDescriptor ; 戻り値は stat
; pPresentationDescriptor : IMFPresentationDescriptor* -> "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。#uselib "MF.dll"
#cfunc global MFRequireProtectedEnvironment "MFRequireProtectedEnvironment" sptr
; res = MFRequireProtectedEnvironment(pPresentationDescriptor)
; pPresentationDescriptor : IMFPresentationDescriptor* -> "sptr"; HRESULT MFRequireProtectedEnvironment(IMFPresentationDescriptor* pPresentationDescriptor)
#uselib "MF.dll"
#cfunc global MFRequireProtectedEnvironment "MFRequireProtectedEnvironment" intptr
; res = MFRequireProtectedEnvironment(pPresentationDescriptor)
; pPresentationDescriptor : IMFPresentationDescriptor* -> "intptr"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
mf = windows.NewLazySystemDLL("MF.dll")
procMFRequireProtectedEnvironment = mf.NewProc("MFRequireProtectedEnvironment")
)
// pPresentationDescriptor (IMFPresentationDescriptor*)
r1, _, err := procMFRequireProtectedEnvironment.Call(
uintptr(pPresentationDescriptor),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction MFRequireProtectedEnvironment(
pPresentationDescriptor: Pointer // IMFPresentationDescriptor*
): Integer; stdcall;
external 'MF.dll' name 'MFRequireProtectedEnvironment';result := DllCall("MF\MFRequireProtectedEnvironment"
, "Ptr", pPresentationDescriptor ; IMFPresentationDescriptor*
, "Int") ; return: HRESULT●MFRequireProtectedEnvironment(pPresentationDescriptor) = DLL("MF.dll", "int MFRequireProtectedEnvironment(void*)")
# 呼び出し: MFRequireProtectedEnvironment(pPresentationDescriptor)
# pPresentationDescriptor : IMFPresentationDescriptor* -> "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)。