StrFromTimeIntervalW

// SHLWAPI.dll  (Unicode / -W)
#include <windows.h>

INT StrFromTimeIntervalW(
    LPWSTR pszOut,
    DWORD cchMax,
    DWORD dwTimeMS,
    INT digits
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function StrFromTimeIntervalW(
    <MarshalAs(UnmanagedType.LPWStr)> pszOut As System.Text.StringBuilder,   ' LPWSTR out
    cchMax As UInteger,   ' DWORD
    dwTimeMS As UInteger,   ' DWORD
    digits As Integer   ' INT
) As Integer
End Function

' pszOut : LPWSTR out
' cchMax : DWORD
' dwTimeMS : DWORD
' digits : INT
Declare PtrSafe Function StrFromTimeIntervalW Lib "shlwapi" ( _
    ByVal pszOut As LongPtr, _
    ByVal cchMax As Long, _
    ByVal dwTimeMS As Long, _
    ByVal digits As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

StrFromTimeIntervalW = ctypes.windll.shlwapi.StrFromTimeIntervalW
StrFromTimeIntervalW.restype = ctypes.c_int
StrFromTimeIntervalW.argtypes = [
    wintypes.LPWSTR,  # pszOut : LPWSTR out
    wintypes.DWORD,  # cchMax : DWORD
    wintypes.DWORD,  # dwTimeMS : DWORD
    ctypes.c_int,  # digits : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
StrFromTimeIntervalW = Fiddle::Function.new(
  lib['StrFromTimeIntervalW'],
  [
    Fiddle::TYPE_VOIDP,  # pszOut : LPWSTR out
    -Fiddle::TYPE_INT,  # cchMax : DWORD
    -Fiddle::TYPE_INT,  # dwTimeMS : DWORD
    Fiddle::TYPE_INT,  # digits : INT
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "shlwapi")]
extern "system" {
    fn StrFromTimeIntervalW(
        pszOut: *mut u16,  // LPWSTR out
        cchMax: u32,  // DWORD
        dwTimeMS: u32,  // DWORD
        digits: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Unicode)]
public static extern int StrFromTimeIntervalW([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszOut, uint cchMax, uint dwTimeMS, int digits);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_StrFromTimeIntervalW' -Namespace Win32 -PassThru
# $api::StrFromTimeIntervalW(pszOut, cchMax, dwTimeMS, digits)

#uselib "SHLWAPI.dll"
#func global StrFromTimeIntervalW "StrFromTimeIntervalW" wptr, wptr, wptr, wptr
; StrFromTimeIntervalW varptr(pszOut), cchMax, dwTimeMS, digits   ; 戻り値は stat
; pszOut : LPWSTR out -> "wptr"
; cchMax : DWORD -> "wptr"
; dwTimeMS : DWORD -> "wptr"
; digits : INT -> "wptr"
; ※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 "SHLWAPI.dll"
#cfunc global StrFromTimeIntervalW "StrFromTimeIntervalW" var, int, int, int
; res = StrFromTimeIntervalW(pszOut, cchMax, dwTimeMS, digits)
; pszOut : LPWSTR out -> "var"
; cchMax : DWORD -> "int"
; dwTimeMS : DWORD -> "int"
; digits : INT -> "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。

; INT StrFromTimeIntervalW(LPWSTR pszOut, DWORD cchMax, DWORD dwTimeMS, INT digits)
#uselib "SHLWAPI.dll"
#cfunc global StrFromTimeIntervalW "StrFromTimeIntervalW" var, int, int, int
; res = StrFromTimeIntervalW(pszOut, cchMax, dwTimeMS, digits)
; pszOut : LPWSTR out -> "var"
; cchMax : DWORD -> "int"
; dwTimeMS : DWORD -> "int"
; digits : INT -> "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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procStrFromTimeIntervalW = shlwapi.NewProc("StrFromTimeIntervalW")
)

// pszOut (LPWSTR out), cchMax (DWORD), dwTimeMS (DWORD), digits (INT)
r1, _, err := procStrFromTimeIntervalW.Call(
	uintptr(pszOut),
	uintptr(cchMax),
	uintptr(dwTimeMS),
	uintptr(digits),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function StrFromTimeIntervalW(
  pszOut: PWideChar;   // LPWSTR out
  cchMax: DWORD;   // DWORD
  dwTimeMS: DWORD;   // DWORD
  digits: Integer   // INT
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'StrFromTimeIntervalW';

result := DllCall("SHLWAPI\StrFromTimeIntervalW"
    , "Ptr", pszOut   ; LPWSTR out
    , "UInt", cchMax   ; DWORD
    , "UInt", dwTimeMS   ; DWORD
    , "Int", digits   ; INT
    , "Int")   ; return: INT

●StrFromTimeIntervalW(pszOut, cchMax, dwTimeMS, digits) = DLL("SHLWAPI.dll", "int StrFromTimeIntervalW(char*, dword, dword, int)")
# 呼び出し: StrFromTimeIntervalW(pszOut, cchMax, dwTimeMS, digits)
# pszOut : LPWSTR out -> "char*"
# cchMax : DWORD -> "dword"
# dwTimeMS : DWORD -> "dword"
# digits : INT -> "int"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。