DdqGetDiagnosticReportStoreReportCount

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

HRESULT DdqGetDiagnosticReportStoreReportCount(
    HDIAGNOSTIC_DATA_QUERY_SESSION hSession,
    DWORD reportStoreType,
    DWORD* reportCount
);

<DllImport("DiagnosticDataQuery.dll", ExactSpelling:=True)>
Public Shared Function DdqGetDiagnosticReportStoreReportCount(
    hSession As IntPtr,   ' HDIAGNOSTIC_DATA_QUERY_SESSION
    reportStoreType As UInteger,   ' DWORD
    <Out> ByRef reportCount As UInteger   ' DWORD* out
) As Integer
End Function

' hSession : HDIAGNOSTIC_DATA_QUERY_SESSION
' reportStoreType : DWORD
' reportCount : DWORD* out
Declare PtrSafe Function DdqGetDiagnosticReportStoreReportCount Lib "diagnosticdataquery" ( _
    ByVal hSession As LongPtr, _
    ByVal reportStoreType As Long, _
    ByRef reportCount 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

DdqGetDiagnosticReportStoreReportCount = ctypes.windll.diagnosticdataquery.DdqGetDiagnosticReportStoreReportCount
DdqGetDiagnosticReportStoreReportCount.restype = ctypes.c_int
DdqGetDiagnosticReportStoreReportCount.argtypes = [
    wintypes.HANDLE,  # hSession : HDIAGNOSTIC_DATA_QUERY_SESSION
    wintypes.DWORD,  # reportStoreType : DWORD
    ctypes.POINTER(wintypes.DWORD),  # reportCount : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DiagnosticDataQuery.dll')
DdqGetDiagnosticReportStoreReportCount = Fiddle::Function.new(
  lib['DdqGetDiagnosticReportStoreReportCount'],
  [
    Fiddle::TYPE_VOIDP,  # hSession : HDIAGNOSTIC_DATA_QUERY_SESSION
    -Fiddle::TYPE_INT,  # reportStoreType : DWORD
    Fiddle::TYPE_VOIDP,  # reportCount : DWORD* out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("DiagnosticDataQuery.dll")]
public static extern int DdqGetDiagnosticReportStoreReportCount(IntPtr hSession, uint reportStoreType, out uint reportCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DiagnosticDataQuery_DdqGetDiagnosticReportStoreReportCount' -Namespace Win32 -PassThru
# $api::DdqGetDiagnosticReportStoreReportCount(hSession, reportStoreType, reportCount)

#uselib "DiagnosticDataQuery.dll"
#func global DdqGetDiagnosticReportStoreReportCount "DdqGetDiagnosticReportStoreReportCount" sptr, sptr, sptr
; DdqGetDiagnosticReportStoreReportCount hSession, reportStoreType, varptr(reportCount)   ; 戻り値は stat
; hSession : HDIAGNOSTIC_DATA_QUERY_SESSION -> "sptr"
; reportStoreType : DWORD -> "sptr"
; reportCount : 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 DdqGetDiagnosticReportStoreReportCount "DdqGetDiagnosticReportStoreReportCount" sptr, int, var
; res = DdqGetDiagnosticReportStoreReportCount(hSession, reportStoreType, reportCount)
; hSession : HDIAGNOSTIC_DATA_QUERY_SESSION -> "sptr"
; reportStoreType : DWORD -> "int"
; reportCount : 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 DdqGetDiagnosticReportStoreReportCount(HDIAGNOSTIC_DATA_QUERY_SESSION hSession, DWORD reportStoreType, DWORD* reportCount)
#uselib "DiagnosticDataQuery.dll"
#cfunc global DdqGetDiagnosticReportStoreReportCount "DdqGetDiagnosticReportStoreReportCount" intptr, int, var
; res = DdqGetDiagnosticReportStoreReportCount(hSession, reportStoreType, reportCount)
; hSession : HDIAGNOSTIC_DATA_QUERY_SESSION -> "intptr"
; reportStoreType : DWORD -> "int"
; reportCount : 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")
	procDdqGetDiagnosticReportStoreReportCount = diagnosticdataquery.NewProc("DdqGetDiagnosticReportStoreReportCount")
)

// hSession (HDIAGNOSTIC_DATA_QUERY_SESSION), reportStoreType (DWORD), reportCount (DWORD* out)
r1, _, err := procDdqGetDiagnosticReportStoreReportCount.Call(
	uintptr(hSession),
	uintptr(reportStoreType),
	uintptr(reportCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DdqGetDiagnosticReportStoreReportCount(
  hSession: THandle;   // HDIAGNOSTIC_DATA_QUERY_SESSION
  reportStoreType: DWORD;   // DWORD
  reportCount: Pointer   // DWORD* out
): Integer; stdcall;
  external 'DiagnosticDataQuery.dll' name 'DdqGetDiagnosticReportStoreReportCount';

result := DllCall("DiagnosticDataQuery\DdqGetDiagnosticReportStoreReportCount"
    , "Ptr", hSession   ; HDIAGNOSTIC_DATA_QUERY_SESSION
    , "UInt", reportStoreType   ; DWORD
    , "Ptr", reportCount   ; DWORD* out
    , "Int")   ; return: HRESULT

●DdqGetDiagnosticReportStoreReportCount(hSession, reportStoreType, reportCount) = DLL("DiagnosticDataQuery.dll", "int DdqGetDiagnosticReportStoreReportCount(void*, dword, void*)")
# 呼び出し: DdqGetDiagnosticReportStoreReportCount(hSession, reportStoreType, reportCount)
# hSession : HDIAGNOSTIC_DATA_QUERY_SESSION -> "void*"
# reportStoreType : DWORD -> "dword"
# reportCount : 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)。