CertGetCTLContextProperty

// CRYPT32.dll
#include <windows.h>

BOOL CertGetCTLContextProperty(
    CTL_CONTEXT* pCtlContext,
    DWORD dwPropId,
    void* pvData,   // optional
    DWORD* pcbData
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetCTLContextProperty(
    pCtlContext As IntPtr,   ' CTL_CONTEXT*
    dwPropId As UInteger,   ' DWORD
    pvData As IntPtr,   ' void* optional, out
    ByRef pcbData As UInteger   ' DWORD* in/out
) As Boolean
End Function

' pCtlContext : CTL_CONTEXT*
' dwPropId : DWORD
' pvData : void* optional, out
' pcbData : DWORD* in/out
Declare PtrSafe Function CertGetCTLContextProperty Lib "crypt32" ( _
    ByVal pCtlContext As LongPtr, _
    ByVal dwPropId As Long, _
    ByVal pvData As LongPtr, _
    ByRef pcbData 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

CertGetCTLContextProperty = ctypes.windll.crypt32.CertGetCTLContextProperty
CertGetCTLContextProperty.restype = wintypes.BOOL
CertGetCTLContextProperty.argtypes = [
    ctypes.c_void_p,  # pCtlContext : CTL_CONTEXT*
    wintypes.DWORD,  # dwPropId : DWORD
    ctypes.POINTER(None),  # pvData : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbData : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertGetCTLContextProperty = Fiddle::Function.new(
  lib['CertGetCTLContextProperty'],
  [
    Fiddle::TYPE_VOIDP,  # pCtlContext : CTL_CONTEXT*
    -Fiddle::TYPE_INT,  # dwPropId : DWORD
    Fiddle::TYPE_VOIDP,  # pvData : void* optional, out
    Fiddle::TYPE_VOIDP,  # pcbData : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertGetCTLContextProperty(
        pCtlContext: *mut CTL_CONTEXT,  // CTL_CONTEXT*
        dwPropId: u32,  // DWORD
        pvData: *mut (),  // void* optional, out
        pcbData: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CertGetCTLContextProperty(IntPtr pCtlContext, uint dwPropId, IntPtr pvData, ref uint pcbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetCTLContextProperty' -Namespace Win32 -PassThru
# $api::CertGetCTLContextProperty(pCtlContext, dwPropId, pvData, pcbData)

#uselib "CRYPT32.dll"
#func global CertGetCTLContextProperty "CertGetCTLContextProperty" sptr, sptr, sptr, sptr
; CertGetCTLContextProperty varptr(pCtlContext), dwPropId, pvData, varptr(pcbData)   ; 戻り値は stat
; pCtlContext : CTL_CONTEXT* -> "sptr"
; dwPropId : DWORD -> "sptr"
; pvData : void* optional, out -> "sptr"
; pcbData : DWORD* 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。

#uselib "CRYPT32.dll"
#cfunc global CertGetCTLContextProperty "CertGetCTLContextProperty" var, int, sptr, var
; res = CertGetCTLContextProperty(pCtlContext, dwPropId, pvData, pcbData)
; pCtlContext : CTL_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; pvData : void* optional, out -> "sptr"
; pcbData : DWORD* 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。

; BOOL CertGetCTLContextProperty(CTL_CONTEXT* pCtlContext, DWORD dwPropId, void* pvData, DWORD* pcbData)
#uselib "CRYPT32.dll"
#cfunc global CertGetCTLContextProperty "CertGetCTLContextProperty" var, int, intptr, var
; res = CertGetCTLContextProperty(pCtlContext, dwPropId, pvData, pcbData)
; pCtlContext : CTL_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; pvData : void* optional, out -> "intptr"
; pcbData : DWORD* 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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetCTLContextProperty = crypt32.NewProc("CertGetCTLContextProperty")
)

// pCtlContext (CTL_CONTEXT*), dwPropId (DWORD), pvData (void* optional, out), pcbData (DWORD* in/out)
r1, _, err := procCertGetCTLContextProperty.Call(
	uintptr(pCtlContext),
	uintptr(dwPropId),
	uintptr(pvData),
	uintptr(pcbData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertGetCTLContextProperty(
  pCtlContext: Pointer;   // CTL_CONTEXT*
  dwPropId: DWORD;   // DWORD
  pvData: Pointer;   // void* optional, out
  pcbData: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertGetCTLContextProperty';

result := DllCall("CRYPT32\CertGetCTLContextProperty"
    , "Ptr", pCtlContext   ; CTL_CONTEXT*
    , "UInt", dwPropId   ; DWORD
    , "Ptr", pvData   ; void* optional, out
    , "Ptr", pcbData   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CertGetCTLContextProperty(pCtlContext, dwPropId, pvData, pcbData) = DLL("CRYPT32.dll", "bool CertGetCTLContextProperty(void*, dword, void*, void*)")
# 呼び出し: CertGetCTLContextProperty(pCtlContext, dwPropId, pvData, pcbData)
# pCtlContext : CTL_CONTEXT* -> "void*"
# dwPropId : DWORD -> "dword"
# pvData : void* optional, out -> "void*"
# pcbData : DWORD* 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)。