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DdqGetDiagnosticRecordProducerCount

関数
診断レコードのプロデューサー数を取得する。
DLLDiagnosticDataQuery.dll呼出規約winapi対応OSWindows 10 以降

シグネチャ

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

HRESULT DdqGetDiagnosticRecordProducerCount(
    HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION hProducerDescription,
    DWORD* producerDescriptionCount
);

パラメーター

名前方向説明
hProducerDescriptionHDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTIONin対象のイベントプロデューサー記述ハンドル。
producerDescriptionCountDWORD*outプロデューサー記述の総数を受け取るポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DdqGetDiagnosticRecordProducerCount(
    HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION hProducerDescription,
    DWORD* producerDescriptionCount
);
[DllImport("DiagnosticDataQuery.dll", ExactSpelling = true)]
static extern int DdqGetDiagnosticRecordProducerCount(
    IntPtr hProducerDescription,   // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    out uint producerDescriptionCount   // DWORD* out
);
<DllImport("DiagnosticDataQuery.dll", ExactSpelling:=True)>
Public Shared Function DdqGetDiagnosticRecordProducerCount(
    hProducerDescription As IntPtr,   ' HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    <Out> ByRef producerDescriptionCount As UInteger   ' DWORD* out
) As Integer
End Function
' hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
' producerDescriptionCount : DWORD* out
Declare PtrSafe Function DdqGetDiagnosticRecordProducerCount Lib "diagnosticdataquery" ( _
    ByVal hProducerDescription As LongPtr, _
    ByRef producerDescriptionCount 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

DdqGetDiagnosticRecordProducerCount = ctypes.windll.diagnosticdataquery.DdqGetDiagnosticRecordProducerCount
DdqGetDiagnosticRecordProducerCount.restype = ctypes.c_int
DdqGetDiagnosticRecordProducerCount.argtypes = [
    wintypes.HANDLE,  # hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    ctypes.POINTER(wintypes.DWORD),  # producerDescriptionCount : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DiagnosticDataQuery.dll')
DdqGetDiagnosticRecordProducerCount = Fiddle::Function.new(
  lib['DdqGetDiagnosticRecordProducerCount'],
  [
    Fiddle::TYPE_VOIDP,  # hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    Fiddle::TYPE_VOIDP,  # producerDescriptionCount : DWORD* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "diagnosticdataquery")]
extern "system" {
    fn DdqGetDiagnosticRecordProducerCount(
        hProducerDescription: *mut core::ffi::c_void,  // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
        producerDescriptionCount: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("DiagnosticDataQuery.dll")]
public static extern int DdqGetDiagnosticRecordProducerCount(IntPtr hProducerDescription, out uint producerDescriptionCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DiagnosticDataQuery_DdqGetDiagnosticRecordProducerCount' -Namespace Win32 -PassThru
# $api::DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
#uselib "DiagnosticDataQuery.dll"
#func global DdqGetDiagnosticRecordProducerCount "DdqGetDiagnosticRecordProducerCount" sptr, sptr
; DdqGetDiagnosticRecordProducerCount hProducerDescription, varptr(producerDescriptionCount)   ; 戻り値は stat
; hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> "sptr"
; producerDescriptionCount : 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。
出力引数:
#uselib "DiagnosticDataQuery.dll"
#cfunc global DdqGetDiagnosticRecordProducerCount "DdqGetDiagnosticRecordProducerCount" sptr, var
; res = DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
; hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> "sptr"
; producerDescriptionCount : 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。
出力引数:
; HRESULT DdqGetDiagnosticRecordProducerCount(HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION hProducerDescription, DWORD* producerDescriptionCount)
#uselib "DiagnosticDataQuery.dll"
#cfunc global DdqGetDiagnosticRecordProducerCount "DdqGetDiagnosticRecordProducerCount" intptr, var
; res = DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
; hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> "intptr"
; producerDescriptionCount : 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 (
	diagnosticdataquery = windows.NewLazySystemDLL("DiagnosticDataQuery.dll")
	procDdqGetDiagnosticRecordProducerCount = diagnosticdataquery.NewProc("DdqGetDiagnosticRecordProducerCount")
)

// hProducerDescription (HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION), producerDescriptionCount (DWORD* out)
r1, _, err := procDdqGetDiagnosticRecordProducerCount.Call(
	uintptr(hProducerDescription),
	uintptr(producerDescriptionCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function DdqGetDiagnosticRecordProducerCount(
  hProducerDescription: THandle;   // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
  producerDescriptionCount: Pointer   // DWORD* out
): Integer; stdcall;
  external 'DiagnosticDataQuery.dll' name 'DdqGetDiagnosticRecordProducerCount';
result := DllCall("DiagnosticDataQuery\DdqGetDiagnosticRecordProducerCount"
    , "Ptr", hProducerDescription   ; HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    , "Ptr", producerDescriptionCount   ; DWORD* out
    , "Int")   ; return: HRESULT
●DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount) = DLL("DiagnosticDataQuery.dll", "int DdqGetDiagnosticRecordProducerCount(void*, void*)")
# 呼び出し: DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
# hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> "void*"
# producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCount(
    hProducerDescription: ?*anyopaque, // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    producerDescriptionCount: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;
proc DdqGetDiagnosticRecordProducerCount(
    hProducerDescription: pointer,  # HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    producerDescriptionCount: ptr uint32  # DWORD* out
): int32 {.importc: "DdqGetDiagnosticRecordProducerCount", stdcall, dynlib: "DiagnosticDataQuery.dll".}
pragma(lib, "diagnosticdataquery");
extern(Windows)
int DdqGetDiagnosticRecordProducerCount(
    void* hProducerDescription,   // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    uint* producerDescriptionCount   // DWORD* out
);
ccall((:DdqGetDiagnosticRecordProducerCount, "DiagnosticDataQuery.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}),
      hProducerDescription, producerDescriptionCount)
# hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> Ptr{Cvoid}
# producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCount(
    void* hProducerDescription,
    uint32_t* producerDescriptionCount);
]]
local diagnosticdataquery = ffi.load("diagnosticdataquery")
-- diagnosticdataquery.DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
-- hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
-- producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCount = lib.func('__stdcall', 'DdqGetDiagnosticRecordProducerCount', 'int32_t', ['void *', 'uint32_t *']);
// DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
// hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> 'void *'
// producerDescriptionCount : 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", {
  DdqGetDiagnosticRecordProducerCount: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount)
// hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> "pointer"
// producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCount(
    void* hProducerDescription,
    uint32_t* producerDescriptionCount);
C, "DiagnosticDataQuery.dll");
// $ffi->DdqGetDiagnosticRecordProducerCount(hProducerDescription, producerDescriptionCount);
// hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
// producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCount(
        Pointer hProducerDescription,   // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
        IntByReference producerDescriptionCount   // DWORD* out
    );
}
@[Link("diagnosticdataquery")]
lib LibDiagnosticDataQuery
  fun DdqGetDiagnosticRecordProducerCount = DdqGetDiagnosticRecordProducerCount(
    hProducerDescription : Void*,   # HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
    producerDescriptionCount : 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 DdqGetDiagnosticRecordProducerCountNative = Int32 Function(Pointer<Void>, Pointer<Uint32>);
typedef DdqGetDiagnosticRecordProducerCountDart = int Function(Pointer<Void>, Pointer<Uint32>);
final DdqGetDiagnosticRecordProducerCount = DynamicLibrary.open('DiagnosticDataQuery.dll')
    .lookupFunction<DdqGetDiagnosticRecordProducerCountNative, DdqGetDiagnosticRecordProducerCountDart>('DdqGetDiagnosticRecordProducerCount');
// hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> Pointer<Void>
// producerDescriptionCount : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function DdqGetDiagnosticRecordProducerCount(
  hProducerDescription: THandle;   // HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
  producerDescriptionCount: Pointer   // DWORD* out
): Integer; stdcall;
  external 'DiagnosticDataQuery.dll' name 'DdqGetDiagnosticRecordProducerCount';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DdqGetDiagnosticRecordProducerCount"
  c_DdqGetDiagnosticRecordProducerCount :: Ptr () -> Ptr Word32 -> IO Int32
-- hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> Ptr ()
-- producerDescriptionCount : 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 ddqgetdiagnosticrecordproducercount =
  foreign "DdqGetDiagnosticRecordProducerCount"
    ((ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> (ptr void) *)
(* producerDescriptionCount : 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 ("DdqGetDiagnosticRecordProducerCount" ddq-get-diagnostic-record-producer-count :convention :stdcall) :int32
  (h-producer-description :pointer)   ; HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION
  (producer-description-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 $DdqGetDiagnosticRecordProducerCount = Win32::API::More->new('DiagnosticDataQuery',
    'int DdqGetDiagnosticRecordProducerCount(HANDLE hProducerDescription, LPVOID producerDescriptionCount)');
# my $ret = $DdqGetDiagnosticRecordProducerCount->Call($hProducerDescription, $producerDescriptionCount);
# hProducerDescription : HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION -> HANDLE
# producerDescriptionCount : 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。