SLSetGenuineInformation

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

HRESULT SLSetGenuineInformation(
    const GUID* pQueryId,
    LPCWSTR pwszValueName,
    SLDATATYPE eDataType,
    DWORD cbValue,   // optional
    const BYTE* pbValue   // optional
);

<DllImport("SLC.dll", ExactSpelling:=True)>
Public Shared Function SLSetGenuineInformation(
    ByRef pQueryId As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> pwszValueName As String,   ' LPCWSTR
    eDataType As UInteger,   ' SLDATATYPE
    cbValue As UInteger,   ' DWORD optional
    pbValue As IntPtr   ' BYTE* optional
) As Integer
End Function

' pQueryId : GUID*
' pwszValueName : LPCWSTR
' eDataType : SLDATATYPE
' cbValue : DWORD optional
' pbValue : BYTE* optional
Declare PtrSafe Function SLSetGenuineInformation Lib "slc" ( _
    ByVal pQueryId As LongPtr, _
    ByVal pwszValueName As LongPtr, _
    ByVal eDataType As Long, _
    ByVal cbValue As Long, _
    ByVal pbValue 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

SLSetGenuineInformation = ctypes.windll.slc.SLSetGenuineInformation
SLSetGenuineInformation.restype = ctypes.c_int
SLSetGenuineInformation.argtypes = [
    ctypes.c_void_p,  # pQueryId : GUID*
    wintypes.LPCWSTR,  # pwszValueName : LPCWSTR
    wintypes.DWORD,  # eDataType : SLDATATYPE
    wintypes.DWORD,  # cbValue : DWORD optional
    ctypes.POINTER(ctypes.c_ubyte),  # pbValue : BYTE* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SLC.dll')
SLSetGenuineInformation = Fiddle::Function.new(
  lib['SLSetGenuineInformation'],
  [
    Fiddle::TYPE_VOIDP,  # pQueryId : GUID*
    Fiddle::TYPE_VOIDP,  # pwszValueName : LPCWSTR
    -Fiddle::TYPE_INT,  # eDataType : SLDATATYPE
    -Fiddle::TYPE_INT,  # cbValue : DWORD optional
    Fiddle::TYPE_VOIDP,  # pbValue : BYTE* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "slc")]
extern "system" {
    fn SLSetGenuineInformation(
        pQueryId: *const GUID,  // GUID*
        pwszValueName: *const u16,  // LPCWSTR
        eDataType: u32,  // SLDATATYPE
        cbValue: u32,  // DWORD optional
        pbValue: *const u8  // BYTE* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SLC.dll")]
public static extern int SLSetGenuineInformation(ref Guid pQueryId, [MarshalAs(UnmanagedType.LPWStr)] string pwszValueName, uint eDataType, uint cbValue, IntPtr pbValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SLC_SLSetGenuineInformation' -Namespace Win32 -PassThru
# $api::SLSetGenuineInformation(pQueryId, pwszValueName, eDataType, cbValue, pbValue)

#uselib "SLC.dll"
#func global SLSetGenuineInformation "SLSetGenuineInformation" sptr, sptr, sptr, sptr, sptr
; SLSetGenuineInformation varptr(pQueryId), pwszValueName, eDataType, cbValue, varptr(pbValue)   ; 戻り値は stat
; pQueryId : GUID* -> "sptr"
; pwszValueName : LPCWSTR -> "sptr"
; eDataType : SLDATATYPE -> "sptr"
; cbValue : DWORD optional -> "sptr"
; pbValue : BYTE* 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 "SLC.dll"
#cfunc global SLSetGenuineInformation "SLSetGenuineInformation" var, wstr, int, int, var
; res = SLSetGenuineInformation(pQueryId, pwszValueName, eDataType, cbValue, pbValue)
; pQueryId : GUID* -> "var"
; pwszValueName : LPCWSTR -> "wstr"
; eDataType : SLDATATYPE -> "int"
; cbValue : DWORD optional -> "int"
; pbValue : BYTE* optional -> "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 SLSetGenuineInformation(GUID* pQueryId, LPCWSTR pwszValueName, SLDATATYPE eDataType, DWORD cbValue, BYTE* pbValue)
#uselib "SLC.dll"
#cfunc global SLSetGenuineInformation "SLSetGenuineInformation" var, wstr, int, int, var
; res = SLSetGenuineInformation(pQueryId, pwszValueName, eDataType, cbValue, pbValue)
; pQueryId : GUID* -> "var"
; pwszValueName : LPCWSTR -> "wstr"
; eDataType : SLDATATYPE -> "int"
; cbValue : DWORD optional -> "int"
; pbValue : BYTE* optional -> "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")
	procSLSetGenuineInformation = slc.NewProc("SLSetGenuineInformation")
)

// pQueryId (GUID*), pwszValueName (LPCWSTR), eDataType (SLDATATYPE), cbValue (DWORD optional), pbValue (BYTE* optional)
r1, _, err := procSLSetGenuineInformation.Call(
	uintptr(pQueryId),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszValueName))),
	uintptr(eDataType),
	uintptr(cbValue),
	uintptr(pbValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SLSetGenuineInformation(
  pQueryId: PGUID;   // GUID*
  pwszValueName: PWideChar;   // LPCWSTR
  eDataType: DWORD;   // SLDATATYPE
  cbValue: DWORD;   // DWORD optional
  pbValue: Pointer   // BYTE* optional
): Integer; stdcall;
  external 'SLC.dll' name 'SLSetGenuineInformation';

result := DllCall("SLC\SLSetGenuineInformation"
    , "Ptr", pQueryId   ; GUID*
    , "WStr", pwszValueName   ; LPCWSTR
    , "UInt", eDataType   ; SLDATATYPE
    , "UInt", cbValue   ; DWORD optional
    , "Ptr", pbValue   ; BYTE* optional
    , "Int")   ; return: HRESULT

●SLSetGenuineInformation(pQueryId, pwszValueName, eDataType, cbValue, pbValue) = DLL("SLC.dll", "int SLSetGenuineInformation(void*, char*, dword, dword, void*)")
# 呼び出し: SLSetGenuineInformation(pQueryId, pwszValueName, eDataType, cbValue, pbValue)
# pQueryId : GUID* -> "void*"
# pwszValueName : LPCWSTR -> "char*"
# eDataType : SLDATATYPE -> "dword"
# cbValue : DWORD optional -> "dword"
# pbValue : BYTE* 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)。