WindowsGetStringRawBuffer

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

LPWSTR WindowsGetStringRawBuffer(
    HSTRING string,   // optional
    DWORD* length   // optional
);

<DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WindowsGetStringRawBuffer(
    [string] As IntPtr,   ' HSTRING optional
    length As IntPtr   ' DWORD* optional, out
) As IntPtr
End Function

' string : HSTRING optional
' length : DWORD* optional, out
Declare PtrSafe Function WindowsGetStringRawBuffer Lib "api-ms-win-core-winrt-string-l1-1-0" ( _
    ByVal string As LongPtr, _
    ByVal length As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WindowsGetStringRawBuffer = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-string-l1-1-0.dll").WindowsGetStringRawBuffer
WindowsGetStringRawBuffer.restype = wintypes.LPWSTR
WindowsGetStringRawBuffer.argtypes = [
    wintypes.HANDLE,  # string : HSTRING optional
    ctypes.POINTER(wintypes.DWORD),  # length : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-string-l1-1-0.dll')
WindowsGetStringRawBuffer = Fiddle::Function.new(
  lib['WindowsGetStringRawBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # string : HSTRING optional
    Fiddle::TYPE_VOIDP,  # length : DWORD* optional, out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "api-ms-win-core-winrt-string-l1-1-0")]
extern "system" {
    fn WindowsGetStringRawBuffer(
        string: *mut core::ffi::c_void,  // HSTRING optional
        length: *mut u32  // DWORD* optional, out
    ) -> *mut u16;
}
// 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 IntPtr WindowsGetStringRawBuffer(IntPtr string, IntPtr length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-string-l1-1-0_WindowsGetStringRawBuffer' -Namespace Win32 -PassThru
# $api::WindowsGetStringRawBuffer(string, length)

#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#func global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" sptr, sptr
; WindowsGetStringRawBuffer string, varptr(length)   ; 戻り値は stat
; string : HSTRING optional -> "sptr"
; length : DWORD* optional, 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 "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" sptr, var
; res = WindowsGetStringRawBuffer(string, length)
; string : HSTRING optional -> "sptr"
; length : DWORD* optional, 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。

; LPWSTR WindowsGetStringRawBuffer(HSTRING string, DWORD* length)
#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" intptr, var
; res = WindowsGetStringRawBuffer(string, length)
; string : HSTRING optional -> "intptr"
; length : DWORD* optional, 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 (
	api_ms_win_core_winrt_string_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-string-l1-1-0.dll")
	procWindowsGetStringRawBuffer = api_ms_win_core_winrt_string_l1_1_0.NewProc("WindowsGetStringRawBuffer")
)

// string (HSTRING optional), length (DWORD* optional, out)
r1, _, err := procWindowsGetStringRawBuffer.Call(
	uintptr(string),
	uintptr(length),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPWSTR

function WindowsGetStringRawBuffer(
  string: THandle;   // HSTRING optional
  length: Pointer   // DWORD* optional, out
): PWideChar; stdcall;
  external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsGetStringRawBuffer';

result := DllCall("api-ms-win-core-winrt-string-l1-1-0\WindowsGetStringRawBuffer"
    , "Ptr", string   ; HSTRING optional
    , "Ptr", length   ; DWORD* optional, out
    , "Ptr")   ; return: LPWSTR

●WindowsGetStringRawBuffer(string, length) = DLL("api-ms-win-core-winrt-string-l1-1-0.dll", "char* WindowsGetStringRawBuffer(void*, void*)")
# 呼び出し: WindowsGetStringRawBuffer(string, length)
# string : HSTRING optional -> "void*"
# length : DWORD* optional, 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)。