NCryptDeleteKey

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

HRESULT NCryptDeleteKey(
    NCRYPT_KEY_HANDLE hKey,
    DWORD dwFlags
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptDeleteKey(
    hKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hKey : NCRYPT_KEY_HANDLE
' dwFlags : DWORD
Declare PtrSafe Function NCryptDeleteKey Lib "ncrypt" ( _
    ByVal hKey As LongPtr, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

NCryptDeleteKey = ctypes.windll.ncrypt.NCryptDeleteKey
NCryptDeleteKey.restype = ctypes.c_int
NCryptDeleteKey.argtypes = [
    ctypes.c_size_t,  # hKey : NCRYPT_KEY_HANDLE
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
NCryptDeleteKey = Fiddle::Function.new(
  lib['NCryptDeleteKey'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hKey : NCRYPT_KEY_HANDLE
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn NCryptDeleteKey(
        hKey: usize,  // NCRYPT_KEY_HANDLE
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptDeleteKey(UIntPtr hKey, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptDeleteKey' -Namespace Win32 -PassThru
# $api::NCryptDeleteKey(hKey, dwFlags)

#uselib "ncrypt.dll"
#func global NCryptDeleteKey "NCryptDeleteKey" sptr, sptr
; NCryptDeleteKey hKey, dwFlags   ; 戻り値は stat
; hKey : NCRYPT_KEY_HANDLE -> "sptr"
; dwFlags : DWORD -> "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 NCryptDeleteKey "NCryptDeleteKey" sptr, int
; res = NCryptDeleteKey(hKey, dwFlags)
; hKey : NCRYPT_KEY_HANDLE -> "sptr"
; dwFlags : DWORD -> "int"

; HRESULT NCryptDeleteKey(NCRYPT_KEY_HANDLE hKey, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global NCryptDeleteKey "NCryptDeleteKey" intptr, int
; res = NCryptDeleteKey(hKey, dwFlags)
; hKey : NCRYPT_KEY_HANDLE -> "intptr"
; dwFlags : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procNCryptDeleteKey = ncrypt.NewProc("NCryptDeleteKey")
)

// hKey (NCRYPT_KEY_HANDLE), dwFlags (DWORD)
r1, _, err := procNCryptDeleteKey.Call(
	uintptr(hKey),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function NCryptDeleteKey(
  hKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'NCryptDeleteKey';

result := DllCall("ncrypt\NCryptDeleteKey"
    , "UPtr", hKey   ; NCRYPT_KEY_HANDLE
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●NCryptDeleteKey(hKey, dwFlags) = DLL("ncrypt.dll", "int NCryptDeleteKey(int, dword)")
# 呼び出し: NCryptDeleteKey(hKey, dwFlags)
# hKey : NCRYPT_KEY_HANDLE -> "int"
# dwFlags : DWORD -> "dword"
# 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)。