DdqGetDiagnosticRecordProducerCount

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

HRESULT DdqGetDiagnosticRecordProducerCount(
    HDIAGNOSTIC_EVENT_PRODUCER_DESCRIPTION hProducerDescription,
    DWORD* producerDescriptionCount
);

<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。

#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。

; 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)。