Win32 API 日本語リファレンス
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NCryptFreeObject

関数
CNGプロバイダーやキーなどのオブジェクトを解放する。
DLLncrypt.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

HRESULT NCryptFreeObject(
    NCRYPT_HANDLE hObject
);

パラメーター

名前方向
hObjectNCRYPT_HANDLEin

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT NCryptFreeObject(
    NCRYPT_HANDLE hObject
);
[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int NCryptFreeObject(
    UIntPtr hObject   // NCRYPT_HANDLE
);
<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptFreeObject(
    hObject As UIntPtr   ' NCRYPT_HANDLE
) As Integer
End Function
' hObject : NCRYPT_HANDLE
Declare PtrSafe Function NCryptFreeObject Lib "ncrypt" ( _
    ByVal hObject 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

NCryptFreeObject = ctypes.windll.ncrypt.NCryptFreeObject
NCryptFreeObject.restype = ctypes.c_int
NCryptFreeObject.argtypes = [
    ctypes.c_size_t,  # hObject : NCRYPT_HANDLE
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
NCryptFreeObject = Fiddle::Function.new(
  lib['NCryptFreeObject'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hObject : NCRYPT_HANDLE
  ],
  Fiddle::TYPE_INT)
#[link(name = "ncrypt")]
extern "system" {
    fn NCryptFreeObject(
        hObject: usize  // NCRYPT_HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptFreeObject(UIntPtr hObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptFreeObject' -Namespace Win32 -PassThru
# $api::NCryptFreeObject(hObject)
#uselib "ncrypt.dll"
#func global NCryptFreeObject "NCryptFreeObject" sptr
; NCryptFreeObject hObject   ; 戻り値は stat
; hObject : NCRYPT_HANDLE -> "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 "ncrypt.dll"
#cfunc global NCryptFreeObject "NCryptFreeObject" sptr
; res = NCryptFreeObject(hObject)
; hObject : NCRYPT_HANDLE -> "sptr"
; HRESULT NCryptFreeObject(NCRYPT_HANDLE hObject)
#uselib "ncrypt.dll"
#cfunc global NCryptFreeObject "NCryptFreeObject" intptr
; res = NCryptFreeObject(hObject)
; hObject : NCRYPT_HANDLE -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procNCryptFreeObject = ncrypt.NewProc("NCryptFreeObject")
)

// hObject (NCRYPT_HANDLE)
r1, _, err := procNCryptFreeObject.Call(
	uintptr(hObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function NCryptFreeObject(
  hObject: NativeUInt   // NCRYPT_HANDLE
): Integer; stdcall;
  external 'ncrypt.dll' name 'NCryptFreeObject';
result := DllCall("ncrypt\NCryptFreeObject"
    , "UPtr", hObject   ; NCRYPT_HANDLE
    , "Int")   ; return: HRESULT
●NCryptFreeObject(hObject) = DLL("ncrypt.dll", "int NCryptFreeObject(int)")
# 呼び出し: NCryptFreeObject(hObject)
# hObject : NCRYPT_HANDLE -> "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)。