HcsGetServiceProperties

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

HRESULT HcsGetServiceProperties(
    LPCWSTR propertyQuery,   // optional
    LPWSTR* result
);

<DllImport("computecore.dll", ExactSpelling:=True)>
Public Shared Function HcsGetServiceProperties(
    <MarshalAs(UnmanagedType.LPWStr)> propertyQuery As String,   ' LPCWSTR optional
    result As IntPtr   ' LPWSTR* out
) As Integer
End Function

' propertyQuery : LPCWSTR optional
' result : LPWSTR* out
Declare PtrSafe Function HcsGetServiceProperties Lib "computecore" ( _
    ByVal propertyQuery As LongPtr, _
    ByVal result 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

HcsGetServiceProperties = ctypes.windll.computecore.HcsGetServiceProperties
HcsGetServiceProperties.restype = ctypes.c_int
HcsGetServiceProperties.argtypes = [
    wintypes.LPCWSTR,  # propertyQuery : LPCWSTR optional
    ctypes.c_void_p,  # result : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computecore.dll')
HcsGetServiceProperties = Fiddle::Function.new(
  lib['HcsGetServiceProperties'],
  [
    Fiddle::TYPE_VOIDP,  # propertyQuery : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # result : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "computecore")]
extern "system" {
    fn HcsGetServiceProperties(
        propertyQuery: *const u16,  // LPCWSTR optional
        result: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computecore.dll")]
public static extern int HcsGetServiceProperties([MarshalAs(UnmanagedType.LPWStr)] string propertyQuery, IntPtr result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computecore_HcsGetServiceProperties' -Namespace Win32 -PassThru
# $api::HcsGetServiceProperties(propertyQuery, result)

#uselib "computecore.dll"
#func global HcsGetServiceProperties "HcsGetServiceProperties" sptr, sptr
; HcsGetServiceProperties propertyQuery, varptr(result)   ; 戻り値は stat
; propertyQuery : LPCWSTR optional -> "sptr"
; result : LPWSTR* 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 "computecore.dll"
#cfunc global HcsGetServiceProperties "HcsGetServiceProperties" wstr, var
; res = HcsGetServiceProperties(propertyQuery, result)
; propertyQuery : LPCWSTR optional -> "wstr"
; result : LPWSTR* 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 HcsGetServiceProperties(LPCWSTR propertyQuery, LPWSTR* result)
#uselib "computecore.dll"
#cfunc global HcsGetServiceProperties "HcsGetServiceProperties" wstr, var
; res = HcsGetServiceProperties(propertyQuery, result)
; propertyQuery : LPCWSTR optional -> "wstr"
; result : LPWSTR* 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 (
	computecore = windows.NewLazySystemDLL("computecore.dll")
	procHcsGetServiceProperties = computecore.NewProc("HcsGetServiceProperties")
)

// propertyQuery (LPCWSTR optional), result (LPWSTR* out)
r1, _, err := procHcsGetServiceProperties.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(propertyQuery))),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HcsGetServiceProperties(
  propertyQuery: PWideChar;   // LPCWSTR optional
  result: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'computecore.dll' name 'HcsGetServiceProperties';

result := DllCall("computecore\HcsGetServiceProperties"
    , "WStr", propertyQuery   ; LPCWSTR optional
    , "Ptr", result   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●HcsGetServiceProperties(propertyQuery, result) = DLL("computecore.dll", "int HcsGetServiceProperties(char*, void*)")
# 呼び出し: HcsGetServiceProperties(propertyQuery, result)
# propertyQuery : LPCWSTR optional -> "char*"
# result : LPWSTR* 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)。