GetWsChanges

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

BOOL GetWsChanges(
    HANDLE hProcess,
    PSAPI_WS_WATCH_INFORMATION* lpWatchInfo,
    DWORD cb
);

<DllImport("PSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetWsChanges(
    hProcess As IntPtr,   ' HANDLE
    lpWatchInfo As IntPtr,   ' PSAPI_WS_WATCH_INFORMATION* out
    cb As UInteger   ' DWORD
) As Boolean
End Function

' hProcess : HANDLE
' lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out
' cb : DWORD
Declare PtrSafe Function GetWsChanges Lib "psapi" ( _
    ByVal hProcess As LongPtr, _
    ByVal lpWatchInfo As LongPtr, _
    ByVal cb 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

GetWsChanges = ctypes.windll.psapi.GetWsChanges
GetWsChanges.restype = wintypes.BOOL
GetWsChanges.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_void_p,  # lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out
    wintypes.DWORD,  # cb : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PSAPI.dll')
GetWsChanges = Fiddle::Function.new(
  lib['GetWsChanges'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out
    -Fiddle::TYPE_INT,  # cb : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "psapi")]
extern "system" {
    fn GetWsChanges(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        lpWatchInfo: *mut PSAPI_WS_WATCH_INFORMATION,  // PSAPI_WS_WATCH_INFORMATION* out
        cb: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("PSAPI.dll", SetLastError = true)]
public static extern bool GetWsChanges(IntPtr hProcess, IntPtr lpWatchInfo, uint cb);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PSAPI_GetWsChanges' -Namespace Win32 -PassThru
# $api::GetWsChanges(hProcess, lpWatchInfo, cb)

#uselib "PSAPI.dll"
#func global GetWsChanges "GetWsChanges" sptr, sptr, sptr
; GetWsChanges hProcess, varptr(lpWatchInfo), cb   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out -> "sptr"
; cb : DWORD -> "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 "PSAPI.dll"
#cfunc global GetWsChanges "GetWsChanges" sptr, var, int
; res = GetWsChanges(hProcess, lpWatchInfo, cb)
; hProcess : HANDLE -> "sptr"
; lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out -> "var"
; cb : DWORD -> "int"
; ※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。

; BOOL GetWsChanges(HANDLE hProcess, PSAPI_WS_WATCH_INFORMATION* lpWatchInfo, DWORD cb)
#uselib "PSAPI.dll"
#cfunc global GetWsChanges "GetWsChanges" intptr, var, int
; res = GetWsChanges(hProcess, lpWatchInfo, cb)
; hProcess : HANDLE -> "intptr"
; lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out -> "var"
; cb : DWORD -> "int"
; ※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 (
	psapi = windows.NewLazySystemDLL("PSAPI.dll")
	procGetWsChanges = psapi.NewProc("GetWsChanges")
)

// hProcess (HANDLE), lpWatchInfo (PSAPI_WS_WATCH_INFORMATION* out), cb (DWORD)
r1, _, err := procGetWsChanges.Call(
	uintptr(hProcess),
	uintptr(lpWatchInfo),
	uintptr(cb),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetWsChanges(
  hProcess: THandle;   // HANDLE
  lpWatchInfo: Pointer;   // PSAPI_WS_WATCH_INFORMATION* out
  cb: DWORD   // DWORD
): BOOL; stdcall;
  external 'PSAPI.dll' name 'GetWsChanges';

result := DllCall("PSAPI\GetWsChanges"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", lpWatchInfo   ; PSAPI_WS_WATCH_INFORMATION* out
    , "UInt", cb   ; DWORD
    , "Int")   ; return: BOOL

●GetWsChanges(hProcess, lpWatchInfo, cb) = DLL("PSAPI.dll", "bool GetWsChanges(void*, void*, dword)")
# 呼び出し: GetWsChanges(hProcess, lpWatchInfo, cb)
# hProcess : HANDLE -> "void*"
# lpWatchInfo : PSAPI_WS_WATCH_INFORMATION* out -> "void*"
# cb : DWORD -> "dword"
# 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)。