SLQueryLicenseValueFromApp

// api-ms-win-core-slapi-l1-1-0.dll
#include <windows.h>

HRESULT SLQueryLicenseValueFromApp(
    LPCWSTR valueName,
    DWORD* valueType,   // optional
    void* dataBuffer,   // optional
    DWORD dataSize,
    DWORD* resultDataSize
);

<DllImport("api-ms-win-core-slapi-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function SLQueryLicenseValueFromApp(
    <MarshalAs(UnmanagedType.LPWStr)> valueName As String,   ' LPCWSTR
    valueType As IntPtr,   ' DWORD* optional, out
    dataBuffer As IntPtr,   ' void* optional, out
    dataSize As UInteger,   ' DWORD
    <Out> ByRef resultDataSize As UInteger   ' DWORD* out
) As Integer
End Function

' valueName : LPCWSTR
' valueType : DWORD* optional, out
' dataBuffer : void* optional, out
' dataSize : DWORD
' resultDataSize : DWORD* out
Declare PtrSafe Function SLQueryLicenseValueFromApp Lib "api-ms-win-core-slapi-l1-1-0" ( _
    ByVal valueName As LongPtr, _
    ByVal valueType As LongPtr, _
    ByVal dataBuffer As LongPtr, _
    ByVal dataSize As Long, _
    ByRef resultDataSize 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

SLQueryLicenseValueFromApp = ctypes.windll.LoadLibrary("api-ms-win-core-slapi-l1-1-0.dll").SLQueryLicenseValueFromApp
SLQueryLicenseValueFromApp.restype = ctypes.c_int
SLQueryLicenseValueFromApp.argtypes = [
    wintypes.LPCWSTR,  # valueName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # valueType : DWORD* optional, out
    ctypes.POINTER(None),  # dataBuffer : void* optional, out
    wintypes.DWORD,  # dataSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # resultDataSize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-slapi-l1-1-0.dll')
SLQueryLicenseValueFromApp = Fiddle::Function.new(
  lib['SLQueryLicenseValueFromApp'],
  [
    Fiddle::TYPE_VOIDP,  # valueName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # valueType : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # dataBuffer : void* optional, out
    -Fiddle::TYPE_INT,  # dataSize : DWORD
    Fiddle::TYPE_VOIDP,  # resultDataSize : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-slapi-l1-1-0")]
extern "system" {
    fn SLQueryLicenseValueFromApp(
        valueName: *const u16,  // LPCWSTR
        valueType: *mut u32,  // DWORD* optional, out
        dataBuffer: *mut (),  // void* optional, out
        dataSize: u32,  // DWORD
        resultDataSize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-slapi-l1-1-0.dll")]
public static extern int SLQueryLicenseValueFromApp([MarshalAs(UnmanagedType.LPWStr)] string valueName, IntPtr valueType, IntPtr dataBuffer, uint dataSize, out uint resultDataSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-slapi-l1-1-0_SLQueryLicenseValueFromApp' -Namespace Win32 -PassThru
# $api::SLQueryLicenseValueFromApp(valueName, valueType, dataBuffer, dataSize, resultDataSize)

#uselib "api-ms-win-core-slapi-l1-1-0.dll"
#func global SLQueryLicenseValueFromApp "SLQueryLicenseValueFromApp" sptr, sptr, sptr, sptr, sptr
; SLQueryLicenseValueFromApp valueName, varptr(valueType), dataBuffer, dataSize, varptr(resultDataSize)   ; 戻り値は stat
; valueName : LPCWSTR -> "sptr"
; valueType : DWORD* optional, out -> "sptr"
; dataBuffer : void* optional, out -> "sptr"
; dataSize : DWORD -> "sptr"
; resultDataSize : 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 "api-ms-win-core-slapi-l1-1-0.dll"
#cfunc global SLQueryLicenseValueFromApp "SLQueryLicenseValueFromApp" wstr, var, sptr, int, var
; res = SLQueryLicenseValueFromApp(valueName, valueType, dataBuffer, dataSize, resultDataSize)
; valueName : LPCWSTR -> "wstr"
; valueType : DWORD* optional, out -> "var"
; dataBuffer : void* optional, out -> "sptr"
; dataSize : DWORD -> "int"
; resultDataSize : 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 SLQueryLicenseValueFromApp(LPCWSTR valueName, DWORD* valueType, void* dataBuffer, DWORD dataSize, DWORD* resultDataSize)
#uselib "api-ms-win-core-slapi-l1-1-0.dll"
#cfunc global SLQueryLicenseValueFromApp "SLQueryLicenseValueFromApp" wstr, var, intptr, int, var
; res = SLQueryLicenseValueFromApp(valueName, valueType, dataBuffer, dataSize, resultDataSize)
; valueName : LPCWSTR -> "wstr"
; valueType : DWORD* optional, out -> "var"
; dataBuffer : void* optional, out -> "intptr"
; dataSize : DWORD -> "int"
; resultDataSize : 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 (
	api_ms_win_core_slapi_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-slapi-l1-1-0.dll")
	procSLQueryLicenseValueFromApp = api_ms_win_core_slapi_l1_1_0.NewProc("SLQueryLicenseValueFromApp")
)

// valueName (LPCWSTR), valueType (DWORD* optional, out), dataBuffer (void* optional, out), dataSize (DWORD), resultDataSize (DWORD* out)
r1, _, err := procSLQueryLicenseValueFromApp.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(valueName))),
	uintptr(valueType),
	uintptr(dataBuffer),
	uintptr(dataSize),
	uintptr(resultDataSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SLQueryLicenseValueFromApp(
  valueName: PWideChar;   // LPCWSTR
  valueType: Pointer;   // DWORD* optional, out
  dataBuffer: Pointer;   // void* optional, out
  dataSize: DWORD;   // DWORD
  resultDataSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'api-ms-win-core-slapi-l1-1-0.dll' name 'SLQueryLicenseValueFromApp';

result := DllCall("api-ms-win-core-slapi-l1-1-0\SLQueryLicenseValueFromApp"
    , "WStr", valueName   ; LPCWSTR
    , "Ptr", valueType   ; DWORD* optional, out
    , "Ptr", dataBuffer   ; void* optional, out
    , "UInt", dataSize   ; DWORD
    , "Ptr", resultDataSize   ; DWORD* out
    , "Int")   ; return: HRESULT

●SLQueryLicenseValueFromApp(valueName, valueType, dataBuffer, dataSize, resultDataSize) = DLL("api-ms-win-core-slapi-l1-1-0.dll", "int SLQueryLicenseValueFromApp(char*, void*, void*, dword, void*)")
# 呼び出し: SLQueryLicenseValueFromApp(valueName, valueType, dataBuffer, dataSize, resultDataSize)
# valueName : LPCWSTR -> "char*"
# valueType : DWORD* optional, out -> "void*"
# dataBuffer : void* optional, out -> "void*"
# dataSize : DWORD -> "dword"
# resultDataSize : 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)。