DdqGetDiagnosticRecordCount

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

HRESULT DdqGetDiagnosticRecordCount(
    HDIAGNOSTIC_RECORD hRecord,
    DWORD* recordCount
);

<DllImport("DiagnosticDataQuery.dll", ExactSpelling:=True)>
Public Shared Function DdqGetDiagnosticRecordCount(
    hRecord As IntPtr,   ' HDIAGNOSTIC_RECORD
    <Out> ByRef recordCount As UInteger   ' DWORD* out
) As Integer
End Function

' hRecord : HDIAGNOSTIC_RECORD
' recordCount : DWORD* out
Declare PtrSafe Function DdqGetDiagnosticRecordCount Lib "diagnosticdataquery" ( _
    ByVal hRecord As LongPtr, _
    ByRef recordCount 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

DdqGetDiagnosticRecordCount = ctypes.windll.diagnosticdataquery.DdqGetDiagnosticRecordCount
DdqGetDiagnosticRecordCount.restype = ctypes.c_int
DdqGetDiagnosticRecordCount.argtypes = [
    wintypes.HANDLE,  # hRecord : HDIAGNOSTIC_RECORD
    ctypes.POINTER(wintypes.DWORD),  # recordCount : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DiagnosticDataQuery.dll')
DdqGetDiagnosticRecordCount = Fiddle::Function.new(
  lib['DdqGetDiagnosticRecordCount'],
  [
    Fiddle::TYPE_VOIDP,  # hRecord : HDIAGNOSTIC_RECORD
    Fiddle::TYPE_VOIDP,  # recordCount : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "diagnosticdataquery")]
extern "system" {
    fn DdqGetDiagnosticRecordCount(
        hRecord: *mut core::ffi::c_void,  // HDIAGNOSTIC_RECORD
        recordCount: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DiagnosticDataQuery.dll")]
public static extern int DdqGetDiagnosticRecordCount(IntPtr hRecord, out uint recordCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DiagnosticDataQuery_DdqGetDiagnosticRecordCount' -Namespace Win32 -PassThru
# $api::DdqGetDiagnosticRecordCount(hRecord, recordCount)

#uselib "DiagnosticDataQuery.dll"
#func global DdqGetDiagnosticRecordCount "DdqGetDiagnosticRecordCount" sptr, sptr
; DdqGetDiagnosticRecordCount hRecord, varptr(recordCount)   ; 戻り値は stat
; hRecord : HDIAGNOSTIC_RECORD -> "sptr"
; recordCount : 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。

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

var (
	diagnosticdataquery = windows.NewLazySystemDLL("DiagnosticDataQuery.dll")
	procDdqGetDiagnosticRecordCount = diagnosticdataquery.NewProc("DdqGetDiagnosticRecordCount")
)

// hRecord (HDIAGNOSTIC_RECORD), recordCount (DWORD* out)
r1, _, err := procDdqGetDiagnosticRecordCount.Call(
	uintptr(hRecord),
	uintptr(recordCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DdqGetDiagnosticRecordCount(
  hRecord: THandle;   // HDIAGNOSTIC_RECORD
  recordCount: Pointer   // DWORD* out
): Integer; stdcall;
  external 'DiagnosticDataQuery.dll' name 'DdqGetDiagnosticRecordCount';

result := DllCall("DiagnosticDataQuery\DdqGetDiagnosticRecordCount"
    , "Ptr", hRecord   ; HDIAGNOSTIC_RECORD
    , "Ptr", recordCount   ; DWORD* out
    , "Int")   ; return: HRESULT

●DdqGetDiagnosticRecordCount(hRecord, recordCount) = DLL("DiagnosticDataQuery.dll", "int DdqGetDiagnosticRecordCount(void*, void*)")
# 呼び出し: DdqGetDiagnosticRecordCount(hRecord, recordCount)
# hRecord : HDIAGNOSTIC_RECORD -> "void*"
# recordCount : 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)。

const std = @import("std");

extern "diagnosticdataquery" fn DdqGetDiagnosticRecordCount(
    hRecord: ?*anyopaque, // HDIAGNOSTIC_RECORD
    recordCount: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc DdqGetDiagnosticRecordCount(
    hRecord: pointer,  # HDIAGNOSTIC_RECORD
    recordCount: ptr uint32  # DWORD* out
): int32 {.importc: "DdqGetDiagnosticRecordCount", stdcall, dynlib: "DiagnosticDataQuery.dll".}

pragma(lib, "diagnosticdataquery");
extern(Windows)
int DdqGetDiagnosticRecordCount(
    void* hRecord,   // HDIAGNOSTIC_RECORD
    uint* recordCount   // DWORD* out
);

ccall((:DdqGetDiagnosticRecordCount, "DiagnosticDataQuery.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}),
      hRecord, recordCount)
# hRecord : HDIAGNOSTIC_RECORD -> Ptr{Cvoid}
# recordCount : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DdqGetDiagnosticRecordCount(
    void* hRecord,
    uint32_t* recordCount);
]]
local diagnosticdataquery = ffi.load("diagnosticdataquery")
-- diagnosticdataquery.DdqGetDiagnosticRecordCount(hRecord, recordCount)
-- hRecord : HDIAGNOSTIC_RECORD
-- recordCount : DWORD* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('DiagnosticDataQuery.dll');
const DdqGetDiagnosticRecordCount = lib.func('__stdcall', 'DdqGetDiagnosticRecordCount', 'int32_t', ['void *', 'uint32_t *']);
// DdqGetDiagnosticRecordCount(hRecord, recordCount)
// hRecord : HDIAGNOSTIC_RECORD -> 'void *'
// recordCount : DWORD* out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("DiagnosticDataQuery.dll", {
  DdqGetDiagnosticRecordCount: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.DdqGetDiagnosticRecordCount(hRecord, recordCount)
// hRecord : HDIAGNOSTIC_RECORD -> "pointer"
// recordCount : DWORD* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t DdqGetDiagnosticRecordCount(
    void* hRecord,
    uint32_t* recordCount);
C, "DiagnosticDataQuery.dll");
// $ffi->DdqGetDiagnosticRecordCount(hRecord, recordCount);
// hRecord : HDIAGNOSTIC_RECORD
// recordCount : DWORD* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Diagnosticdataquery extends StdCallLibrary {
    Diagnosticdataquery INSTANCE = Native.load("diagnosticdataquery", Diagnosticdataquery.class);
    int DdqGetDiagnosticRecordCount(
        Pointer hRecord,   // HDIAGNOSTIC_RECORD
        IntByReference recordCount   // DWORD* out
    );
}

@[Link("diagnosticdataquery")]
lib LibDiagnosticDataQuery
  fun DdqGetDiagnosticRecordCount = DdqGetDiagnosticRecordCount(
    hRecord : Void*,   # HDIAGNOSTIC_RECORD
    recordCount : UInt32*   # DWORD* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DdqGetDiagnosticRecordCountNative = Int32 Function(Pointer<Void>, Pointer<Uint32>);
typedef DdqGetDiagnosticRecordCountDart = int Function(Pointer<Void>, Pointer<Uint32>);
final DdqGetDiagnosticRecordCount = DynamicLibrary.open('DiagnosticDataQuery.dll')
    .lookupFunction<DdqGetDiagnosticRecordCountNative, DdqGetDiagnosticRecordCountDart>('DdqGetDiagnosticRecordCount');
// hRecord : HDIAGNOSTIC_RECORD -> Pointer<Void>
// recordCount : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DdqGetDiagnosticRecordCount(
  hRecord: THandle;   // HDIAGNOSTIC_RECORD
  recordCount: Pointer   // DWORD* out
): Integer; stdcall;
  external 'DiagnosticDataQuery.dll' name 'DdqGetDiagnosticRecordCount';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DdqGetDiagnosticRecordCount"
  c_DdqGetDiagnosticRecordCount :: Ptr () -> Ptr Word32 -> IO Int32
-- hRecord : HDIAGNOSTIC_RECORD -> Ptr ()
-- recordCount : DWORD* out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let ddqgetdiagnosticrecordcount =
  foreign "DdqGetDiagnosticRecordCount"
    ((ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* hRecord : HDIAGNOSTIC_RECORD -> (ptr void) *)
(* recordCount : DWORD* out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library diagnosticdataquery (t "DiagnosticDataQuery.dll"))
(cffi:use-foreign-library diagnosticdataquery)

(cffi:defcfun ("DdqGetDiagnosticRecordCount" ddq-get-diagnostic-record-count :convention :stdcall) :int32
  (h-record :pointer)   ; HDIAGNOSTIC_RECORD
  (record-count :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DdqGetDiagnosticRecordCount = Win32::API::More->new('DiagnosticDataQuery',
    'int DdqGetDiagnosticRecordCount(HANDLE hRecord, LPVOID recordCount)');
# my $ret = $DdqGetDiagnosticRecordCount->Call($hRecord, $recordCount);
# hRecord : HDIAGNOSTIC_RECORD -> HANDLE
# recordCount : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。