PdhGetDataSourceTimeRangeA

// pdh.dll  (ANSI / -A)
#include <windows.h>

DWORD PdhGetDataSourceTimeRangeA(
    LPCSTR szDataSource,   // optional
    DWORD* pdwNumEntries,
    PDH_TIME_INFO* pInfo,
    DWORD* pdwBufferSize
);

<DllImport("pdh.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function PdhGetDataSourceTimeRangeA(
    <MarshalAs(UnmanagedType.LPStr)> szDataSource As String,   ' LPCSTR optional
    <Out> ByRef pdwNumEntries As UInteger,   ' DWORD* out
    pInfo As IntPtr,   ' PDH_TIME_INFO* out
    ByRef pdwBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' szDataSource : LPCSTR optional
' pdwNumEntries : DWORD* out
' pInfo : PDH_TIME_INFO* out
' pdwBufferSize : DWORD* in/out
Declare PtrSafe Function PdhGetDataSourceTimeRangeA Lib "pdh" ( _
    ByVal szDataSource As String, _
    ByRef pdwNumEntries As Long, _
    ByVal pInfo As LongPtr, _
    ByRef pdwBufferSize 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

PdhGetDataSourceTimeRangeA = ctypes.windll.pdh.PdhGetDataSourceTimeRangeA
PdhGetDataSourceTimeRangeA.restype = wintypes.DWORD
PdhGetDataSourceTimeRangeA.argtypes = [
    wintypes.LPCSTR,  # szDataSource : LPCSTR optional
    ctypes.POINTER(wintypes.DWORD),  # pdwNumEntries : DWORD* out
    ctypes.c_void_p,  # pInfo : PDH_TIME_INFO* out
    ctypes.POINTER(wintypes.DWORD),  # pdwBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhGetDataSourceTimeRangeA = Fiddle::Function.new(
  lib['PdhGetDataSourceTimeRangeA'],
  [
    Fiddle::TYPE_VOIDP,  # szDataSource : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pdwNumEntries : DWORD* out
    Fiddle::TYPE_VOIDP,  # pInfo : PDH_TIME_INFO* out
    Fiddle::TYPE_VOIDP,  # pdwBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhGetDataSourceTimeRangeA(
        szDataSource: *const u8,  // LPCSTR optional
        pdwNumEntries: *mut u32,  // DWORD* out
        pInfo: *mut PDH_TIME_INFO,  // PDH_TIME_INFO* out
        pdwBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll", CharSet = CharSet.Ansi)]
public static extern uint PdhGetDataSourceTimeRangeA([MarshalAs(UnmanagedType.LPStr)] string szDataSource, out uint pdwNumEntries, IntPtr pInfo, ref uint pdwBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhGetDataSourceTimeRangeA' -Namespace Win32 -PassThru
# $api::PdhGetDataSourceTimeRangeA(szDataSource, pdwNumEntries, pInfo, pdwBufferSize)

#uselib "pdh.dll"
#func global PdhGetDataSourceTimeRangeA "PdhGetDataSourceTimeRangeA" sptr, sptr, sptr, sptr
; PdhGetDataSourceTimeRangeA szDataSource, varptr(pdwNumEntries), varptr(pInfo), varptr(pdwBufferSize)   ; 戻り値は stat
; szDataSource : LPCSTR optional -> "sptr"
; pdwNumEntries : DWORD* out -> "sptr"
; pInfo : PDH_TIME_INFO* out -> "sptr"
; pdwBufferSize : DWORD* in/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 "pdh.dll"
#cfunc global PdhGetDataSourceTimeRangeA "PdhGetDataSourceTimeRangeA" str, var, var, var
; res = PdhGetDataSourceTimeRangeA(szDataSource, pdwNumEntries, pInfo, pdwBufferSize)
; szDataSource : LPCSTR optional -> "str"
; pdwNumEntries : DWORD* out -> "var"
; pInfo : PDH_TIME_INFO* out -> "var"
; pdwBufferSize : DWORD* in/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 PdhGetDataSourceTimeRangeA(LPCSTR szDataSource, DWORD* pdwNumEntries, PDH_TIME_INFO* pInfo, DWORD* pdwBufferSize)
#uselib "pdh.dll"
#cfunc global PdhGetDataSourceTimeRangeA "PdhGetDataSourceTimeRangeA" str, var, var, var
; res = PdhGetDataSourceTimeRangeA(szDataSource, pdwNumEntries, pInfo, pdwBufferSize)
; szDataSource : LPCSTR optional -> "str"
; pdwNumEntries : DWORD* out -> "var"
; pInfo : PDH_TIME_INFO* out -> "var"
; pdwBufferSize : DWORD* in/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 (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhGetDataSourceTimeRangeA = pdh.NewProc("PdhGetDataSourceTimeRangeA")
)

// szDataSource (LPCSTR optional), pdwNumEntries (DWORD* out), pInfo (PDH_TIME_INFO* out), pdwBufferSize (DWORD* in/out)
r1, _, err := procPdhGetDataSourceTimeRangeA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szDataSource))),
	uintptr(pdwNumEntries),
	uintptr(pInfo),
	uintptr(pdwBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhGetDataSourceTimeRangeA(
  szDataSource: PAnsiChar;   // LPCSTR optional
  pdwNumEntries: Pointer;   // DWORD* out
  pInfo: Pointer;   // PDH_TIME_INFO* out
  pdwBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhGetDataSourceTimeRangeA';

result := DllCall("pdh\PdhGetDataSourceTimeRangeA"
    , "AStr", szDataSource   ; LPCSTR optional
    , "Ptr", pdwNumEntries   ; DWORD* out
    , "Ptr", pInfo   ; PDH_TIME_INFO* out
    , "Ptr", pdwBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●PdhGetDataSourceTimeRangeA(szDataSource, pdwNumEntries, pInfo, pdwBufferSize) = DLL("pdh.dll", "dword PdhGetDataSourceTimeRangeA(char*, void*, void*, void*)")
# 呼び出し: PdhGetDataSourceTimeRangeA(szDataSource, pdwNumEntries, pInfo, pdwBufferSize)
# szDataSource : LPCSTR optional -> "char*"
# pdwNumEntries : DWORD* out -> "void*"
# pInfo : PDH_TIME_INFO* out -> "void*"
# pdwBufferSize : DWORD* in/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)。