WSDGetConfigurationOption

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

HRESULT WSDGetConfigurationOption(
    DWORD dwOption,
    void* pVoid,
    DWORD cbOutBuffer
);

<DllImport("wsdapi.dll", ExactSpelling:=True)>
Public Shared Function WSDGetConfigurationOption(
    dwOption As UInteger,   ' DWORD
    pVoid As IntPtr,   ' void* out
    cbOutBuffer As UInteger   ' DWORD
) As Integer
End Function

' dwOption : DWORD
' pVoid : void* out
' cbOutBuffer : DWORD
Declare PtrSafe Function WSDGetConfigurationOption Lib "wsdapi" ( _
    ByVal dwOption As Long, _
    ByVal pVoid As LongPtr, _
    ByVal cbOutBuffer 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

WSDGetConfigurationOption = ctypes.windll.wsdapi.WSDGetConfigurationOption
WSDGetConfigurationOption.restype = ctypes.c_int
WSDGetConfigurationOption.argtypes = [
    wintypes.DWORD,  # dwOption : DWORD
    ctypes.POINTER(None),  # pVoid : void* out
    wintypes.DWORD,  # cbOutBuffer : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wsdapi.dll')
WSDGetConfigurationOption = Fiddle::Function.new(
  lib['WSDGetConfigurationOption'],
  [
    -Fiddle::TYPE_INT,  # dwOption : DWORD
    Fiddle::TYPE_VOIDP,  # pVoid : void* out
    -Fiddle::TYPE_INT,  # cbOutBuffer : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wsdapi")]
extern "system" {
    fn WSDGetConfigurationOption(
        dwOption: u32,  // DWORD
        pVoid: *mut (),  // void* out
        cbOutBuffer: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wsdapi.dll")]
public static extern int WSDGetConfigurationOption(uint dwOption, IntPtr pVoid, uint cbOutBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wsdapi_WSDGetConfigurationOption' -Namespace Win32 -PassThru
# $api::WSDGetConfigurationOption(dwOption, pVoid, cbOutBuffer)

#uselib "wsdapi.dll"
#func global WSDGetConfigurationOption "WSDGetConfigurationOption" sptr, sptr, sptr
; WSDGetConfigurationOption dwOption, pVoid, cbOutBuffer   ; 戻り値は stat
; dwOption : DWORD -> "sptr"
; pVoid : void* out -> "sptr"
; cbOutBuffer : DWORD -> "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 "wsdapi.dll"
#cfunc global WSDGetConfigurationOption "WSDGetConfigurationOption" int, sptr, int
; res = WSDGetConfigurationOption(dwOption, pVoid, cbOutBuffer)
; dwOption : DWORD -> "int"
; pVoid : void* out -> "sptr"
; cbOutBuffer : DWORD -> "int"

; HRESULT WSDGetConfigurationOption(DWORD dwOption, void* pVoid, DWORD cbOutBuffer)
#uselib "wsdapi.dll"
#cfunc global WSDGetConfigurationOption "WSDGetConfigurationOption" int, intptr, int
; res = WSDGetConfigurationOption(dwOption, pVoid, cbOutBuffer)
; dwOption : DWORD -> "int"
; pVoid : void* out -> "intptr"
; cbOutBuffer : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wsdapi = windows.NewLazySystemDLL("wsdapi.dll")
	procWSDGetConfigurationOption = wsdapi.NewProc("WSDGetConfigurationOption")
)

// dwOption (DWORD), pVoid (void* out), cbOutBuffer (DWORD)
r1, _, err := procWSDGetConfigurationOption.Call(
	uintptr(dwOption),
	uintptr(pVoid),
	uintptr(cbOutBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WSDGetConfigurationOption(
  dwOption: DWORD;   // DWORD
  pVoid: Pointer;   // void* out
  cbOutBuffer: DWORD   // DWORD
): Integer; stdcall;
  external 'wsdapi.dll' name 'WSDGetConfigurationOption';

result := DllCall("wsdapi\WSDGetConfigurationOption"
    , "UInt", dwOption   ; DWORD
    , "Ptr", pVoid   ; void* out
    , "UInt", cbOutBuffer   ; DWORD
    , "Int")   ; return: HRESULT

●WSDGetConfigurationOption(dwOption, pVoid, cbOutBuffer) = DLL("wsdapi.dll", "int WSDGetConfigurationOption(dword, void*, dword)")
# 呼び出し: WSDGetConfigurationOption(dwOption, pVoid, cbOutBuffer)
# dwOption : DWORD -> "dword"
# pVoid : void* out -> "void*"
# cbOutBuffer : DWORD -> "dword"
# 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)。