StrFromTimeIntervalA

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

INT StrFromTimeIntervalA(
    LPSTR pszOut,
    DWORD cchMax,
    DWORD dwTimeMS,
    INT digits
);

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

' pszOut : LPSTR out
' cchMax : DWORD
' dwTimeMS : DWORD
' digits : INT
Declare PtrSafe Function StrFromTimeIntervalA Lib "shlwapi" ( _
    ByVal pszOut As String, _
    ByVal cchMax As Long, _
    ByVal dwTimeMS As Long, _
    ByVal digits 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

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

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
StrFromTimeIntervalA = Fiddle::Function.new(
  lib['StrFromTimeIntervalA'],
  [
    Fiddle::TYPE_VOIDP,  # pszOut : LPSTR out
    -Fiddle::TYPE_INT,  # cchMax : DWORD
    -Fiddle::TYPE_INT,  # dwTimeMS : DWORD
    Fiddle::TYPE_INT,  # digits : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn StrFromTimeIntervalA(
        pszOut: *mut u8,  // LPSTR 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.Ansi)]
public static extern int StrFromTimeIntervalA([MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszOut, uint cchMax, uint dwTimeMS, int digits);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_StrFromTimeIntervalA' -Namespace Win32 -PassThru
# $api::StrFromTimeIntervalA(pszOut, cchMax, dwTimeMS, digits)

#uselib "SHLWAPI.dll"
#func global StrFromTimeIntervalA "StrFromTimeIntervalA" sptr, sptr, sptr, sptr
; StrFromTimeIntervalA varptr(pszOut), cchMax, dwTimeMS, digits   ; 戻り値は stat
; pszOut : LPSTR out -> "sptr"
; cchMax : DWORD -> "sptr"
; dwTimeMS : DWORD -> "sptr"
; digits : INT -> "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 "SHLWAPI.dll"
#cfunc global StrFromTimeIntervalA "StrFromTimeIntervalA" var, int, int, int
; res = StrFromTimeIntervalA(pszOut, cchMax, dwTimeMS, digits)
; pszOut : LPSTR 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 StrFromTimeIntervalA(LPSTR pszOut, DWORD cchMax, DWORD dwTimeMS, INT digits)
#uselib "SHLWAPI.dll"
#cfunc global StrFromTimeIntervalA "StrFromTimeIntervalA" var, int, int, int
; res = StrFromTimeIntervalA(pszOut, cchMax, dwTimeMS, digits)
; pszOut : LPSTR 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")
	procStrFromTimeIntervalA = shlwapi.NewProc("StrFromTimeIntervalA")
)

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

function StrFromTimeIntervalA(
  pszOut: PAnsiChar;   // LPSTR out
  cchMax: DWORD;   // DWORD
  dwTimeMS: DWORD;   // DWORD
  digits: Integer   // INT
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'StrFromTimeIntervalA';

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

●StrFromTimeIntervalA(pszOut, cchMax, dwTimeMS, digits) = DLL("SHLWAPI.dll", "int StrFromTimeIntervalA(char*, dword, dword, int)")
# 呼び出し: StrFromTimeIntervalA(pszOut, cchMax, dwTimeMS, digits)
# pszOut : LPSTR 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)。