WindowsCreateString

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

HRESULT WindowsCreateString(
    LPCWSTR sourceString,   // optional
    DWORD length,
    HSTRING* string
);

<DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WindowsCreateString(
    <MarshalAs(UnmanagedType.LPWStr)> sourceString As String,   ' LPCWSTR optional
    length As UInteger,   ' DWORD
    [string] As IntPtr   ' HSTRING* out
) As Integer
End Function

' sourceString : LPCWSTR optional
' length : DWORD
' string : HSTRING* out
Declare PtrSafe Function WindowsCreateString Lib "api-ms-win-core-winrt-string-l1-1-0" ( _
    ByVal sourceString As LongPtr, _
    ByVal length As Long, _
    ByVal string 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

WindowsCreateString = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-string-l1-1-0.dll").WindowsCreateString
WindowsCreateString.restype = ctypes.c_int
WindowsCreateString.argtypes = [
    wintypes.LPCWSTR,  # sourceString : LPCWSTR optional
    wintypes.DWORD,  # length : DWORD
    ctypes.c_void_p,  # string : HSTRING* out
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "api-ms-win-core-winrt-string-l1-1-0")]
extern "system" {
    fn WindowsCreateString(
        sourceString: *const u16,  // LPCWSTR optional
        length: u32,  // DWORD
        string: *mut *mut core::ffi::c_void  // HSTRING* out
    ) -> 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 WindowsCreateString([MarshalAs(UnmanagedType.LPWStr)] string sourceString, uint length, IntPtr string);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-string-l1-1-0_WindowsCreateString' -Namespace Win32 -PassThru
# $api::WindowsCreateString(sourceString, length, string)

#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#func global WindowsCreateString "WindowsCreateString" sptr, sptr, sptr
; WindowsCreateString sourceString, length, string   ; 戻り値は stat
; sourceString : LPCWSTR optional -> "sptr"
; length : DWORD -> "sptr"
; string : HSTRING* 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 WindowsCreateString "WindowsCreateString" wstr, int, sptr
; res = WindowsCreateString(sourceString, length, string)
; sourceString : LPCWSTR optional -> "wstr"
; length : DWORD -> "int"
; string : HSTRING* out -> "sptr"

; HRESULT WindowsCreateString(LPCWSTR sourceString, DWORD length, HSTRING* string)
#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsCreateString "WindowsCreateString" wstr, int, intptr
; res = WindowsCreateString(sourceString, length, string)
; sourceString : LPCWSTR optional -> "wstr"
; length : DWORD -> "int"
; string : HSTRING* out -> "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")
	procWindowsCreateString = api_ms_win_core_winrt_string_l1_1_0.NewProc("WindowsCreateString")
)

// sourceString (LPCWSTR optional), length (DWORD), string (HSTRING* out)
r1, _, err := procWindowsCreateString.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(sourceString))),
	uintptr(length),
	uintptr(string),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

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

result := DllCall("api-ms-win-core-winrt-string-l1-1-0\WindowsCreateString"
    , "WStr", sourceString   ; LPCWSTR optional
    , "UInt", length   ; DWORD
    , "Ptr", string   ; HSTRING* out
    , "Int")   ; return: HRESULT

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