WindowsDeleteStringBuffer

// api-ms-win-core-winrt-string-l1-1-0.dll
#include <windows.h>

HRESULT WindowsDeleteStringBuffer(
    HSTRING_BUFFER bufferHandle   // optional
);

<DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WindowsDeleteStringBuffer(
    bufferHandle As IntPtr   ' HSTRING_BUFFER optional
) As Integer
End Function

' bufferHandle : HSTRING_BUFFER optional
Declare PtrSafe Function WindowsDeleteStringBuffer Lib "api-ms-win-core-winrt-string-l1-1-0" ( _
    ByVal bufferHandle 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

WindowsDeleteStringBuffer = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-string-l1-1-0.dll").WindowsDeleteStringBuffer
WindowsDeleteStringBuffer.restype = ctypes.c_int
WindowsDeleteStringBuffer.argtypes = [
    wintypes.HANDLE,  # bufferHandle : HSTRING_BUFFER optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-string-l1-1-0.dll')
WindowsDeleteStringBuffer = Fiddle::Function.new(
  lib['WindowsDeleteStringBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # bufferHandle : HSTRING_BUFFER optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-winrt-string-l1-1-0")]
extern "system" {
    fn WindowsDeleteStringBuffer(
        bufferHandle: *mut core::ffi::c_void  // HSTRING_BUFFER optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-winrt-string-l1-1-0.dll")]
public static extern int WindowsDeleteStringBuffer(IntPtr bufferHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-string-l1-1-0_WindowsDeleteStringBuffer' -Namespace Win32 -PassThru
# $api::WindowsDeleteStringBuffer(bufferHandle)

#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#func global WindowsDeleteStringBuffer "WindowsDeleteStringBuffer" sptr
; WindowsDeleteStringBuffer bufferHandle   ; 戻り値は stat
; bufferHandle : HSTRING_BUFFER optional -> "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 "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsDeleteStringBuffer "WindowsDeleteStringBuffer" sptr
; res = WindowsDeleteStringBuffer(bufferHandle)
; bufferHandle : HSTRING_BUFFER optional -> "sptr"

; HRESULT WindowsDeleteStringBuffer(HSTRING_BUFFER bufferHandle)
#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsDeleteStringBuffer "WindowsDeleteStringBuffer" intptr
; res = WindowsDeleteStringBuffer(bufferHandle)
; bufferHandle : HSTRING_BUFFER optional -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	api_ms_win_core_winrt_string_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-string-l1-1-0.dll")
	procWindowsDeleteStringBuffer = api_ms_win_core_winrt_string_l1_1_0.NewProc("WindowsDeleteStringBuffer")
)

// bufferHandle (HSTRING_BUFFER optional)
r1, _, err := procWindowsDeleteStringBuffer.Call(
	uintptr(bufferHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WindowsDeleteStringBuffer(
  bufferHandle: THandle   // HSTRING_BUFFER optional
): Integer; stdcall;
  external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsDeleteStringBuffer';

result := DllCall("api-ms-win-core-winrt-string-l1-1-0\WindowsDeleteStringBuffer"
    , "Ptr", bufferHandle   ; HSTRING_BUFFER optional
    , "Int")   ; return: HRESULT

●WindowsDeleteStringBuffer(bufferHandle) = DLL("api-ms-win-core-winrt-string-l1-1-0.dll", "int WindowsDeleteStringBuffer(void*)")
# 呼び出し: WindowsDeleteStringBuffer(bufferHandle)
# bufferHandle : HSTRING_BUFFER optional -> "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)。