WICMapShortNameToGuid

// WindowsCodecs.dll
#include <windows.h>

HRESULT WICMapShortNameToGuid(
    LPCWSTR wzName,
    GUID* pguid
);

<DllImport("WindowsCodecs.dll", ExactSpelling:=True)>
Public Shared Function WICMapShortNameToGuid(
    <MarshalAs(UnmanagedType.LPWStr)> wzName As String,   ' LPCWSTR
    <Out> ByRef pguid As Guid   ' GUID* out
) As Integer
End Function

' wzName : LPCWSTR
' pguid : GUID* out
Declare PtrSafe Function WICMapShortNameToGuid Lib "windowscodecs" ( _
    ByVal wzName As LongPtr, _
    ByVal pguid 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

WICMapShortNameToGuid = ctypes.windll.windowscodecs.WICMapShortNameToGuid
WICMapShortNameToGuid.restype = ctypes.c_int
WICMapShortNameToGuid.argtypes = [
    wintypes.LPCWSTR,  # wzName : LPCWSTR
    ctypes.c_void_p,  # pguid : GUID* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WindowsCodecs.dll')
WICMapShortNameToGuid = Fiddle::Function.new(
  lib['WICMapShortNameToGuid'],
  [
    Fiddle::TYPE_VOIDP,  # wzName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pguid : GUID* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "windowscodecs")]
extern "system" {
    fn WICMapShortNameToGuid(
        wzName: *const u16,  // LPCWSTR
        pguid: *mut GUID  // GUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WindowsCodecs.dll")]
public static extern int WICMapShortNameToGuid([MarshalAs(UnmanagedType.LPWStr)] string wzName, out Guid pguid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WindowsCodecs_WICMapShortNameToGuid' -Namespace Win32 -PassThru
# $api::WICMapShortNameToGuid(wzName, pguid)

#uselib "WindowsCodecs.dll"
#func global WICMapShortNameToGuid "WICMapShortNameToGuid" sptr, sptr
; WICMapShortNameToGuid wzName, varptr(pguid)   ; 戻り値は stat
; wzName : LPCWSTR -> "sptr"
; pguid : GUID* 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 "WindowsCodecs.dll"
#cfunc global WICMapShortNameToGuid "WICMapShortNameToGuid" wstr, var
; res = WICMapShortNameToGuid(wzName, pguid)
; wzName : LPCWSTR -> "wstr"
; pguid : GUID* 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。

; HRESULT WICMapShortNameToGuid(LPCWSTR wzName, GUID* pguid)
#uselib "WindowsCodecs.dll"
#cfunc global WICMapShortNameToGuid "WICMapShortNameToGuid" wstr, var
; res = WICMapShortNameToGuid(wzName, pguid)
; wzName : LPCWSTR -> "wstr"
; pguid : GUID* 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 (
	windowscodecs = windows.NewLazySystemDLL("WindowsCodecs.dll")
	procWICMapShortNameToGuid = windowscodecs.NewProc("WICMapShortNameToGuid")
)

// wzName (LPCWSTR), pguid (GUID* out)
r1, _, err := procWICMapShortNameToGuid.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wzName))),
	uintptr(pguid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WICMapShortNameToGuid(
  wzName: PWideChar;   // LPCWSTR
  pguid: PGUID   // GUID* out
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICMapShortNameToGuid';

result := DllCall("WindowsCodecs\WICMapShortNameToGuid"
    , "WStr", wzName   ; LPCWSTR
    , "Ptr", pguid   ; GUID* out
    , "Int")   ; return: HRESULT

●WICMapShortNameToGuid(wzName, pguid) = DLL("WindowsCodecs.dll", "int WICMapShortNameToGuid(char*, void*)")
# 呼び出し: WICMapShortNameToGuid(wzName, pguid)
# wzName : LPCWSTR -> "char*"
# pguid : GUID* 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)。