DosDateTimeToFileTime

// KERNEL32.dll
#include <windows.h>

BOOL DosDateTimeToFileTime(
    WORD wFatDate,
    WORD wFatTime,
    FILETIME* lpFileTime
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DosDateTimeToFileTime(
    wFatDate As UShort,   ' WORD
    wFatTime As UShort,   ' WORD
    lpFileTime As IntPtr   ' FILETIME* out
) As Boolean
End Function

' wFatDate : WORD
' wFatTime : WORD
' lpFileTime : FILETIME* out
Declare PtrSafe Function DosDateTimeToFileTime Lib "kernel32" ( _
    ByVal wFatDate As Integer, _
    ByVal wFatTime As Integer, _
    ByVal lpFileTime As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DosDateTimeToFileTime = ctypes.windll.kernel32.DosDateTimeToFileTime
DosDateTimeToFileTime.restype = wintypes.BOOL
DosDateTimeToFileTime.argtypes = [
    ctypes.c_ushort,  # wFatDate : WORD
    ctypes.c_ushort,  # wFatTime : WORD
    ctypes.c_void_p,  # lpFileTime : FILETIME* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
DosDateTimeToFileTime = Fiddle::Function.new(
  lib['DosDateTimeToFileTime'],
  [
    -Fiddle::TYPE_SHORT,  # wFatDate : WORD
    -Fiddle::TYPE_SHORT,  # wFatTime : WORD
    Fiddle::TYPE_VOIDP,  # lpFileTime : FILETIME* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn DosDateTimeToFileTime(
        wFatDate: u16,  // WORD
        wFatTime: u16,  // WORD
        lpFileTime: *mut FILETIME  // FILETIME* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool DosDateTimeToFileTime(ushort wFatDate, ushort wFatTime, IntPtr lpFileTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_DosDateTimeToFileTime' -Namespace Win32 -PassThru
# $api::DosDateTimeToFileTime(wFatDate, wFatTime, lpFileTime)

#uselib "KERNEL32.dll"
#func global DosDateTimeToFileTime "DosDateTimeToFileTime" sptr, sptr, sptr
; DosDateTimeToFileTime wFatDate, wFatTime, varptr(lpFileTime)   ; 戻り値は stat
; wFatDate : WORD -> "sptr"
; wFatTime : WORD -> "sptr"
; lpFileTime : FILETIME* 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 "KERNEL32.dll"
#cfunc global DosDateTimeToFileTime "DosDateTimeToFileTime" int, int, var
; res = DosDateTimeToFileTime(wFatDate, wFatTime, lpFileTime)
; wFatDate : WORD -> "int"
; wFatTime : WORD -> "int"
; lpFileTime : FILETIME* 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。

; BOOL DosDateTimeToFileTime(WORD wFatDate, WORD wFatTime, FILETIME* lpFileTime)
#uselib "KERNEL32.dll"
#cfunc global DosDateTimeToFileTime "DosDateTimeToFileTime" int, int, var
; res = DosDateTimeToFileTime(wFatDate, wFatTime, lpFileTime)
; wFatDate : WORD -> "int"
; wFatTime : WORD -> "int"
; lpFileTime : FILETIME* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procDosDateTimeToFileTime = kernel32.NewProc("DosDateTimeToFileTime")
)

// wFatDate (WORD), wFatTime (WORD), lpFileTime (FILETIME* out)
r1, _, err := procDosDateTimeToFileTime.Call(
	uintptr(wFatDate),
	uintptr(wFatTime),
	uintptr(lpFileTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DosDateTimeToFileTime(
  wFatDate: Word;   // WORD
  wFatTime: Word;   // WORD
  lpFileTime: Pointer   // FILETIME* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'DosDateTimeToFileTime';

result := DllCall("KERNEL32\DosDateTimeToFileTime"
    , "UShort", wFatDate   ; WORD
    , "UShort", wFatTime   ; WORD
    , "Ptr", lpFileTime   ; FILETIME* out
    , "Int")   ; return: BOOL

●DosDateTimeToFileTime(wFatDate, wFatTime, lpFileTime) = DLL("KERNEL32.dll", "bool DosDateTimeToFileTime(int, int, void*)")
# 呼び出し: DosDateTimeToFileTime(wFatDate, wFatTime, lpFileTime)
# wFatDate : WORD -> "int"
# wFatTime : WORD -> "int"
# lpFileTime : FILETIME* 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)。