SLInstallProofOfPurchase

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

HRESULT SLInstallProofOfPurchase(
    void* hSLC,
    LPCWSTR pwszPKeyAlgorithm,
    LPCWSTR pwszPKeyString,
    DWORD cbPKeySpecificData,
    BYTE* pbPKeySpecificData,   // optional
    GUID* pPkeyId
);

<DllImport("SLC.dll", ExactSpelling:=True)>
Public Shared Function SLInstallProofOfPurchase(
    hSLC As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPWStr)> pwszPKeyAlgorithm As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszPKeyString As String,   ' LPCWSTR
    cbPKeySpecificData As UInteger,   ' DWORD
    pbPKeySpecificData As IntPtr,   ' BYTE* optional
    <Out> ByRef pPkeyId As Guid   ' GUID* out
) As Integer
End Function

' hSLC : void*
' pwszPKeyAlgorithm : LPCWSTR
' pwszPKeyString : LPCWSTR
' cbPKeySpecificData : DWORD
' pbPKeySpecificData : BYTE* optional
' pPkeyId : GUID* out
Declare PtrSafe Function SLInstallProofOfPurchase Lib "slc" ( _
    ByVal hSLC As LongPtr, _
    ByVal pwszPKeyAlgorithm As LongPtr, _
    ByVal pwszPKeyString As LongPtr, _
    ByVal cbPKeySpecificData As Long, _
    ByVal pbPKeySpecificData As LongPtr, _
    ByVal pPkeyId 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

SLInstallProofOfPurchase = ctypes.windll.slc.SLInstallProofOfPurchase
SLInstallProofOfPurchase.restype = ctypes.c_int
SLInstallProofOfPurchase.argtypes = [
    ctypes.POINTER(None),  # hSLC : void*
    wintypes.LPCWSTR,  # pwszPKeyAlgorithm : LPCWSTR
    wintypes.LPCWSTR,  # pwszPKeyString : LPCWSTR
    wintypes.DWORD,  # cbPKeySpecificData : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbPKeySpecificData : BYTE* optional
    ctypes.c_void_p,  # pPkeyId : GUID* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SLC.dll')
SLInstallProofOfPurchase = Fiddle::Function.new(
  lib['SLInstallProofOfPurchase'],
  [
    Fiddle::TYPE_VOIDP,  # hSLC : void*
    Fiddle::TYPE_VOIDP,  # pwszPKeyAlgorithm : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszPKeyString : LPCWSTR
    -Fiddle::TYPE_INT,  # cbPKeySpecificData : DWORD
    Fiddle::TYPE_VOIDP,  # pbPKeySpecificData : BYTE* optional
    Fiddle::TYPE_VOIDP,  # pPkeyId : GUID* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "slc")]
extern "system" {
    fn SLInstallProofOfPurchase(
        hSLC: *mut (),  // void*
        pwszPKeyAlgorithm: *const u16,  // LPCWSTR
        pwszPKeyString: *const u16,  // LPCWSTR
        cbPKeySpecificData: u32,  // DWORD
        pbPKeySpecificData: *mut u8,  // BYTE* optional
        pPkeyId: *mut GUID  // GUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SLC.dll")]
public static extern int SLInstallProofOfPurchase(IntPtr hSLC, [MarshalAs(UnmanagedType.LPWStr)] string pwszPKeyAlgorithm, [MarshalAs(UnmanagedType.LPWStr)] string pwszPKeyString, uint cbPKeySpecificData, IntPtr pbPKeySpecificData, out Guid pPkeyId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SLC_SLInstallProofOfPurchase' -Namespace Win32 -PassThru
# $api::SLInstallProofOfPurchase(hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, pbPKeySpecificData, pPkeyId)

#uselib "SLC.dll"
#func global SLInstallProofOfPurchase "SLInstallProofOfPurchase" sptr, sptr, sptr, sptr, sptr, sptr
; SLInstallProofOfPurchase hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, varptr(pbPKeySpecificData), varptr(pPkeyId)   ; 戻り値は stat
; hSLC : void* -> "sptr"
; pwszPKeyAlgorithm : LPCWSTR -> "sptr"
; pwszPKeyString : LPCWSTR -> "sptr"
; cbPKeySpecificData : DWORD -> "sptr"
; pbPKeySpecificData : BYTE* optional -> "sptr"
; pPkeyId : GUID* 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 "SLC.dll"
#cfunc global SLInstallProofOfPurchase "SLInstallProofOfPurchase" sptr, wstr, wstr, int, var, var
; res = SLInstallProofOfPurchase(hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, pbPKeySpecificData, pPkeyId)
; hSLC : void* -> "sptr"
; pwszPKeyAlgorithm : LPCWSTR -> "wstr"
; pwszPKeyString : LPCWSTR -> "wstr"
; cbPKeySpecificData : DWORD -> "int"
; pbPKeySpecificData : BYTE* optional -> "var"
; pPkeyId : GUID* 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 SLInstallProofOfPurchase(void* hSLC, LPCWSTR pwszPKeyAlgorithm, LPCWSTR pwszPKeyString, DWORD cbPKeySpecificData, BYTE* pbPKeySpecificData, GUID* pPkeyId)
#uselib "SLC.dll"
#cfunc global SLInstallProofOfPurchase "SLInstallProofOfPurchase" intptr, wstr, wstr, int, var, var
; res = SLInstallProofOfPurchase(hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, pbPKeySpecificData, pPkeyId)
; hSLC : void* -> "intptr"
; pwszPKeyAlgorithm : LPCWSTR -> "wstr"
; pwszPKeyString : LPCWSTR -> "wstr"
; cbPKeySpecificData : DWORD -> "int"
; pbPKeySpecificData : BYTE* optional -> "var"
; pPkeyId : GUID* 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 (
	slc = windows.NewLazySystemDLL("SLC.dll")
	procSLInstallProofOfPurchase = slc.NewProc("SLInstallProofOfPurchase")
)

// hSLC (void*), pwszPKeyAlgorithm (LPCWSTR), pwszPKeyString (LPCWSTR), cbPKeySpecificData (DWORD), pbPKeySpecificData (BYTE* optional), pPkeyId (GUID* out)
r1, _, err := procSLInstallProofOfPurchase.Call(
	uintptr(hSLC),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszPKeyAlgorithm))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszPKeyString))),
	uintptr(cbPKeySpecificData),
	uintptr(pbPKeySpecificData),
	uintptr(pPkeyId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SLInstallProofOfPurchase(
  hSLC: Pointer;   // void*
  pwszPKeyAlgorithm: PWideChar;   // LPCWSTR
  pwszPKeyString: PWideChar;   // LPCWSTR
  cbPKeySpecificData: DWORD;   // DWORD
  pbPKeySpecificData: Pointer;   // BYTE* optional
  pPkeyId: PGUID   // GUID* out
): Integer; stdcall;
  external 'SLC.dll' name 'SLInstallProofOfPurchase';

result := DllCall("SLC\SLInstallProofOfPurchase"
    , "Ptr", hSLC   ; void*
    , "WStr", pwszPKeyAlgorithm   ; LPCWSTR
    , "WStr", pwszPKeyString   ; LPCWSTR
    , "UInt", cbPKeySpecificData   ; DWORD
    , "Ptr", pbPKeySpecificData   ; BYTE* optional
    , "Ptr", pPkeyId   ; GUID* out
    , "Int")   ; return: HRESULT

●SLInstallProofOfPurchase(hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, pbPKeySpecificData, pPkeyId) = DLL("SLC.dll", "int SLInstallProofOfPurchase(void*, char*, char*, dword, void*, void*)")
# 呼び出し: SLInstallProofOfPurchase(hSLC, pwszPKeyAlgorithm, pwszPKeyString, cbPKeySpecificData, pbPKeySpecificData, pPkeyId)
# hSLC : void* -> "void*"
# pwszPKeyAlgorithm : LPCWSTR -> "char*"
# pwszPKeyString : LPCWSTR -> "char*"
# cbPKeySpecificData : DWORD -> "dword"
# pbPKeySpecificData : BYTE* optional -> "void*"
# pPkeyId : GUID* 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)。