CertSelectionGetSerializedBlob

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

HRESULT CertSelectionGetSerializedBlob(
    CERT_SELECTUI_INPUT* pcsi,
    void** ppOutBuffer,
    DWORD* pulOutBufferSize
);

<DllImport("CRYPTUI.dll", ExactSpelling:=True)>
Public Shared Function CertSelectionGetSerializedBlob(
    pcsi As IntPtr,   ' CERT_SELECTUI_INPUT*
    ppOutBuffer As IntPtr,   ' void** out
    <Out> ByRef pulOutBufferSize As UInteger   ' DWORD* out
) As Integer
End Function

' pcsi : CERT_SELECTUI_INPUT*
' ppOutBuffer : void** out
' pulOutBufferSize : DWORD* out
Declare PtrSafe Function CertSelectionGetSerializedBlob Lib "cryptui" ( _
    ByVal pcsi As LongPtr, _
    ByVal ppOutBuffer As LongPtr, _
    ByRef pulOutBufferSize 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

CertSelectionGetSerializedBlob = ctypes.windll.cryptui.CertSelectionGetSerializedBlob
CertSelectionGetSerializedBlob.restype = ctypes.c_int
CertSelectionGetSerializedBlob.argtypes = [
    ctypes.c_void_p,  # pcsi : CERT_SELECTUI_INPUT*
    ctypes.c_void_p,  # ppOutBuffer : void** out
    ctypes.POINTER(wintypes.DWORD),  # pulOutBufferSize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPTUI.dll')
CertSelectionGetSerializedBlob = Fiddle::Function.new(
  lib['CertSelectionGetSerializedBlob'],
  [
    Fiddle::TYPE_VOIDP,  # pcsi : CERT_SELECTUI_INPUT*
    Fiddle::TYPE_VOIDP,  # ppOutBuffer : void** out
    Fiddle::TYPE_VOIDP,  # pulOutBufferSize : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "cryptui")]
extern "system" {
    fn CertSelectionGetSerializedBlob(
        pcsi: *mut CERT_SELECTUI_INPUT,  // CERT_SELECTUI_INPUT*
        ppOutBuffer: *mut *mut (),  // void** out
        pulOutBufferSize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPTUI.dll")]
public static extern int CertSelectionGetSerializedBlob(IntPtr pcsi, IntPtr ppOutBuffer, out uint pulOutBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPTUI_CertSelectionGetSerializedBlob' -Namespace Win32 -PassThru
# $api::CertSelectionGetSerializedBlob(pcsi, ppOutBuffer, pulOutBufferSize)

#uselib "CRYPTUI.dll"
#func global CertSelectionGetSerializedBlob "CertSelectionGetSerializedBlob" sptr, sptr, sptr
; CertSelectionGetSerializedBlob varptr(pcsi), ppOutBuffer, varptr(pulOutBufferSize)   ; 戻り値は stat
; pcsi : CERT_SELECTUI_INPUT* -> "sptr"
; ppOutBuffer : void** out -> "sptr"
; pulOutBufferSize : DWORD* 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 "CRYPTUI.dll"
#cfunc global CertSelectionGetSerializedBlob "CertSelectionGetSerializedBlob" var, sptr, var
; res = CertSelectionGetSerializedBlob(pcsi, ppOutBuffer, pulOutBufferSize)
; pcsi : CERT_SELECTUI_INPUT* -> "var"
; ppOutBuffer : void** out -> "sptr"
; pulOutBufferSize : DWORD* 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。

; HRESULT CertSelectionGetSerializedBlob(CERT_SELECTUI_INPUT* pcsi, void** ppOutBuffer, DWORD* pulOutBufferSize)
#uselib "CRYPTUI.dll"
#cfunc global CertSelectionGetSerializedBlob "CertSelectionGetSerializedBlob" var, intptr, var
; res = CertSelectionGetSerializedBlob(pcsi, ppOutBuffer, pulOutBufferSize)
; pcsi : CERT_SELECTUI_INPUT* -> "var"
; ppOutBuffer : void** out -> "intptr"
; pulOutBufferSize : DWORD* 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 (
	cryptui = windows.NewLazySystemDLL("CRYPTUI.dll")
	procCertSelectionGetSerializedBlob = cryptui.NewProc("CertSelectionGetSerializedBlob")
)

// pcsi (CERT_SELECTUI_INPUT*), ppOutBuffer (void** out), pulOutBufferSize (DWORD* out)
r1, _, err := procCertSelectionGetSerializedBlob.Call(
	uintptr(pcsi),
	uintptr(ppOutBuffer),
	uintptr(pulOutBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CertSelectionGetSerializedBlob(
  pcsi: Pointer;   // CERT_SELECTUI_INPUT*
  ppOutBuffer: Pointer;   // void** out
  pulOutBufferSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'CRYPTUI.dll' name 'CertSelectionGetSerializedBlob';

result := DllCall("CRYPTUI\CertSelectionGetSerializedBlob"
    , "Ptr", pcsi   ; CERT_SELECTUI_INPUT*
    , "Ptr", ppOutBuffer   ; void** out
    , "Ptr", pulOutBufferSize   ; DWORD* out
    , "Int")   ; return: HRESULT

●CertSelectionGetSerializedBlob(pcsi, ppOutBuffer, pulOutBufferSize) = DLL("CRYPTUI.dll", "int CertSelectionGetSerializedBlob(void*, void*, void*)")
# 呼び出し: CertSelectionGetSerializedBlob(pcsi, ppOutBuffer, pulOutBufferSize)
# pcsi : CERT_SELECTUI_INPUT* -> "void*"
# ppOutBuffer : void** out -> "void*"
# pulOutBufferSize : DWORD* 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)。