BCryptDeleteContext

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

NTSTATUS BCryptDeleteContext(
    BCRYPT_TABLE dwTable,
    LPCWSTR pszContext
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptDeleteContext(
    dwTable As UInteger,   ' BCRYPT_TABLE
    <MarshalAs(UnmanagedType.LPWStr)> pszContext As String   ' LPCWSTR
) As Integer
End Function

' dwTable : BCRYPT_TABLE
' pszContext : LPCWSTR
Declare PtrSafe Function BCryptDeleteContext Lib "bcrypt" ( _
    ByVal dwTable As Long, _
    ByVal pszContext 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

BCryptDeleteContext = ctypes.windll.bcrypt.BCryptDeleteContext
BCryptDeleteContext.restype = ctypes.c_int
BCryptDeleteContext.argtypes = [
    wintypes.DWORD,  # dwTable : BCRYPT_TABLE
    wintypes.LPCWSTR,  # pszContext : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptDeleteContext = Fiddle::Function.new(
  lib['BCryptDeleteContext'],
  [
    -Fiddle::TYPE_INT,  # dwTable : BCRYPT_TABLE
    Fiddle::TYPE_VOIDP,  # pszContext : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptDeleteContext(
        dwTable: u32,  // BCRYPT_TABLE
        pszContext: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptDeleteContext(uint dwTable, [MarshalAs(UnmanagedType.LPWStr)] string pszContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptDeleteContext' -Namespace Win32 -PassThru
# $api::BCryptDeleteContext(dwTable, pszContext)

#uselib "bcrypt.dll"
#func global BCryptDeleteContext "BCryptDeleteContext" sptr, sptr
; BCryptDeleteContext dwTable, pszContext   ; 戻り値は stat
; dwTable : BCRYPT_TABLE -> "sptr"
; pszContext : LPCWSTR -> "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 "bcrypt.dll"
#cfunc global BCryptDeleteContext "BCryptDeleteContext" int, wstr
; res = BCryptDeleteContext(dwTable, pszContext)
; dwTable : BCRYPT_TABLE -> "int"
; pszContext : LPCWSTR -> "wstr"

; NTSTATUS BCryptDeleteContext(BCRYPT_TABLE dwTable, LPCWSTR pszContext)
#uselib "bcrypt.dll"
#cfunc global BCryptDeleteContext "BCryptDeleteContext" int, wstr
; res = BCryptDeleteContext(dwTable, pszContext)
; dwTable : BCRYPT_TABLE -> "int"
; pszContext : LPCWSTR -> "wstr"

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

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptDeleteContext = bcrypt.NewProc("BCryptDeleteContext")
)

// dwTable (BCRYPT_TABLE), pszContext (LPCWSTR)
r1, _, err := procBCryptDeleteContext.Call(
	uintptr(dwTable),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszContext))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptDeleteContext(
  dwTable: DWORD;   // BCRYPT_TABLE
  pszContext: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptDeleteContext';

result := DllCall("bcrypt\BCryptDeleteContext"
    , "UInt", dwTable   ; BCRYPT_TABLE
    , "WStr", pszContext   ; LPCWSTR
    , "Int")   ; return: NTSTATUS

●BCryptDeleteContext(dwTable, pszContext) = DLL("bcrypt.dll", "int BCryptDeleteContext(dword, char*)")
# 呼び出し: BCryptDeleteContext(dwTable, pszContext)
# dwTable : BCRYPT_TABLE -> "dword"
# pszContext : LPCWSTR -> "char*"
# 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)。