CryptUIWizImport

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

BOOL CryptUIWizImport(
    CRYPTUI_WIZ_FLAGS dwFlags,
    HWND hwndParent,   // optional
    LPCWSTR pwszWizardTitle,   // optional
    CRYPTUI_WIZ_IMPORT_SRC_INFO* pImportSrc,   // optional
    HCERTSTORE hDestCertStore   // optional
);

<DllImport("CRYPTUI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptUIWizImport(
    dwFlags As UInteger,   ' CRYPTUI_WIZ_FLAGS
    hwndParent As IntPtr,   ' HWND optional
    <MarshalAs(UnmanagedType.LPWStr)> pwszWizardTitle As String,   ' LPCWSTR optional
    pImportSrc As IntPtr,   ' CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
    hDestCertStore As IntPtr   ' HCERTSTORE optional
) As Boolean
End Function

' dwFlags : CRYPTUI_WIZ_FLAGS
' hwndParent : HWND optional
' pwszWizardTitle : LPCWSTR optional
' pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
' hDestCertStore : HCERTSTORE optional
Declare PtrSafe Function CryptUIWizImport Lib "cryptui" ( _
    ByVal dwFlags As Long, _
    ByVal hwndParent As LongPtr, _
    ByVal pwszWizardTitle As LongPtr, _
    ByVal pImportSrc As LongPtr, _
    ByVal hDestCertStore 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

CryptUIWizImport = ctypes.windll.cryptui.CryptUIWizImport
CryptUIWizImport.restype = wintypes.BOOL
CryptUIWizImport.argtypes = [
    wintypes.DWORD,  # dwFlags : CRYPTUI_WIZ_FLAGS
    wintypes.HANDLE,  # hwndParent : HWND optional
    wintypes.LPCWSTR,  # pwszWizardTitle : LPCWSTR optional
    ctypes.c_void_p,  # pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
    wintypes.HANDLE,  # hDestCertStore : HCERTSTORE optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPTUI.dll')
CryptUIWizImport = Fiddle::Function.new(
  lib['CryptUIWizImport'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : CRYPTUI_WIZ_FLAGS
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND optional
    Fiddle::TYPE_VOIDP,  # pwszWizardTitle : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
    Fiddle::TYPE_VOIDP,  # hDestCertStore : HCERTSTORE optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "cryptui")]
extern "system" {
    fn CryptUIWizImport(
        dwFlags: u32,  // CRYPTUI_WIZ_FLAGS
        hwndParent: *mut core::ffi::c_void,  // HWND optional
        pwszWizardTitle: *const u16,  // LPCWSTR optional
        pImportSrc: *mut CRYPTUI_WIZ_IMPORT_SRC_INFO,  // CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
        hDestCertStore: *mut core::ffi::c_void  // HCERTSTORE optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPTUI.dll", SetLastError = true)]
public static extern bool CryptUIWizImport(uint dwFlags, IntPtr hwndParent, [MarshalAs(UnmanagedType.LPWStr)] string pwszWizardTitle, IntPtr pImportSrc, IntPtr hDestCertStore);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPTUI_CryptUIWizImport' -Namespace Win32 -PassThru
# $api::CryptUIWizImport(dwFlags, hwndParent, pwszWizardTitle, pImportSrc, hDestCertStore)

#uselib "CRYPTUI.dll"
#func global CryptUIWizImport "CryptUIWizImport" sptr, sptr, sptr, sptr, sptr
; CryptUIWizImport dwFlags, hwndParent, pwszWizardTitle, varptr(pImportSrc), hDestCertStore   ; 戻り値は stat
; dwFlags : CRYPTUI_WIZ_FLAGS -> "sptr"
; hwndParent : HWND optional -> "sptr"
; pwszWizardTitle : LPCWSTR optional -> "sptr"
; pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional -> "sptr"
; hDestCertStore : HCERTSTORE optional -> "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 CryptUIWizImport "CryptUIWizImport" int, sptr, wstr, var, sptr
; res = CryptUIWizImport(dwFlags, hwndParent, pwszWizardTitle, pImportSrc, hDestCertStore)
; dwFlags : CRYPTUI_WIZ_FLAGS -> "int"
; hwndParent : HWND optional -> "sptr"
; pwszWizardTitle : LPCWSTR optional -> "wstr"
; pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional -> "var"
; hDestCertStore : HCERTSTORE optional -> "sptr"
; ※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 CryptUIWizImport(CRYPTUI_WIZ_FLAGS dwFlags, HWND hwndParent, LPCWSTR pwszWizardTitle, CRYPTUI_WIZ_IMPORT_SRC_INFO* pImportSrc, HCERTSTORE hDestCertStore)
#uselib "CRYPTUI.dll"
#cfunc global CryptUIWizImport "CryptUIWizImport" int, intptr, wstr, var, intptr
; res = CryptUIWizImport(dwFlags, hwndParent, pwszWizardTitle, pImportSrc, hDestCertStore)
; dwFlags : CRYPTUI_WIZ_FLAGS -> "int"
; hwndParent : HWND optional -> "intptr"
; pwszWizardTitle : LPCWSTR optional -> "wstr"
; pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional -> "var"
; hDestCertStore : HCERTSTORE optional -> "intptr"
; ※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")
	procCryptUIWizImport = cryptui.NewProc("CryptUIWizImport")
)

// dwFlags (CRYPTUI_WIZ_FLAGS), hwndParent (HWND optional), pwszWizardTitle (LPCWSTR optional), pImportSrc (CRYPTUI_WIZ_IMPORT_SRC_INFO* optional), hDestCertStore (HCERTSTORE optional)
r1, _, err := procCryptUIWizImport.Call(
	uintptr(dwFlags),
	uintptr(hwndParent),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszWizardTitle))),
	uintptr(pImportSrc),
	uintptr(hDestCertStore),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptUIWizImport(
  dwFlags: DWORD;   // CRYPTUI_WIZ_FLAGS
  hwndParent: THandle;   // HWND optional
  pwszWizardTitle: PWideChar;   // LPCWSTR optional
  pImportSrc: Pointer;   // CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
  hDestCertStore: THandle   // HCERTSTORE optional
): BOOL; stdcall;
  external 'CRYPTUI.dll' name 'CryptUIWizImport';

result := DllCall("CRYPTUI\CryptUIWizImport"
    , "UInt", dwFlags   ; CRYPTUI_WIZ_FLAGS
    , "Ptr", hwndParent   ; HWND optional
    , "WStr", pwszWizardTitle   ; LPCWSTR optional
    , "Ptr", pImportSrc   ; CRYPTUI_WIZ_IMPORT_SRC_INFO* optional
    , "Ptr", hDestCertStore   ; HCERTSTORE optional
    , "Int")   ; return: BOOL

●CryptUIWizImport(dwFlags, hwndParent, pwszWizardTitle, pImportSrc, hDestCertStore) = DLL("CRYPTUI.dll", "bool CryptUIWizImport(dword, void*, char*, void*, void*)")
# 呼び出し: CryptUIWizImport(dwFlags, hwndParent, pwszWizardTitle, pImportSrc, hDestCertStore)
# dwFlags : CRYPTUI_WIZ_FLAGS -> "dword"
# hwndParent : HWND optional -> "void*"
# pwszWizardTitle : LPCWSTR optional -> "char*"
# pImportSrc : CRYPTUI_WIZ_IMPORT_SRC_INFO* optional -> "void*"
# hDestCertStore : HCERTSTORE optional -> "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)。