PxeProviderQueryIndex

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

DWORD PxeProviderQueryIndex(
    LPCWSTR pszProviderName,
    DWORD* puIndex
);

<DllImport("WDSPXE.dll", ExactSpelling:=True)>
Public Shared Function PxeProviderQueryIndex(
    <MarshalAs(UnmanagedType.LPWStr)> pszProviderName As String,   ' LPCWSTR
    <Out> ByRef puIndex As UInteger   ' DWORD* out
) As UInteger
End Function

' pszProviderName : LPCWSTR
' puIndex : DWORD* out
Declare PtrSafe Function PxeProviderQueryIndex Lib "wdspxe" ( _
    ByVal pszProviderName As LongPtr, _
    ByRef puIndex 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

PxeProviderQueryIndex = ctypes.windll.wdspxe.PxeProviderQueryIndex
PxeProviderQueryIndex.restype = wintypes.DWORD
PxeProviderQueryIndex.argtypes = [
    wintypes.LPCWSTR,  # pszProviderName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # puIndex : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSPXE.dll')
PxeProviderQueryIndex = Fiddle::Function.new(
  lib['PxeProviderQueryIndex'],
  [
    Fiddle::TYPE_VOIDP,  # pszProviderName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # puIndex : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wdspxe")]
extern "system" {
    fn PxeProviderQueryIndex(
        pszProviderName: *const u16,  // LPCWSTR
        puIndex: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WDSPXE.dll")]
public static extern uint PxeProviderQueryIndex([MarshalAs(UnmanagedType.LPWStr)] string pszProviderName, out uint puIndex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSPXE_PxeProviderQueryIndex' -Namespace Win32 -PassThru
# $api::PxeProviderQueryIndex(pszProviderName, puIndex)

#uselib "WDSPXE.dll"
#func global PxeProviderQueryIndex "PxeProviderQueryIndex" sptr, sptr
; PxeProviderQueryIndex pszProviderName, varptr(puIndex)   ; 戻り値は stat
; pszProviderName : LPCWSTR -> "sptr"
; puIndex : 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 "WDSPXE.dll"
#cfunc global PxeProviderQueryIndex "PxeProviderQueryIndex" wstr, var
; res = PxeProviderQueryIndex(pszProviderName, puIndex)
; pszProviderName : LPCWSTR -> "wstr"
; puIndex : 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。

; DWORD PxeProviderQueryIndex(LPCWSTR pszProviderName, DWORD* puIndex)
#uselib "WDSPXE.dll"
#cfunc global PxeProviderQueryIndex "PxeProviderQueryIndex" wstr, var
; res = PxeProviderQueryIndex(pszProviderName, puIndex)
; pszProviderName : LPCWSTR -> "wstr"
; puIndex : 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 (
	wdspxe = windows.NewLazySystemDLL("WDSPXE.dll")
	procPxeProviderQueryIndex = wdspxe.NewProc("PxeProviderQueryIndex")
)

// pszProviderName (LPCWSTR), puIndex (DWORD* out)
r1, _, err := procPxeProviderQueryIndex.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszProviderName))),
	uintptr(puIndex),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PxeProviderQueryIndex(
  pszProviderName: PWideChar;   // LPCWSTR
  puIndex: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeProviderQueryIndex';

result := DllCall("WDSPXE\PxeProviderQueryIndex"
    , "WStr", pszProviderName   ; LPCWSTR
    , "Ptr", puIndex   ; DWORD* out
    , "UInt")   ; return: DWORD

●PxeProviderQueryIndex(pszProviderName, puIndex) = DLL("WDSPXE.dll", "dword PxeProviderQueryIndex(char*, void*)")
# 呼び出し: PxeProviderQueryIndex(pszProviderName, puIndex)
# pszProviderName : LPCWSTR -> "char*"
# puIndex : 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)。