SLFireEvent

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

HRESULT SLFireEvent(
    void* hSLC,
    LPCWSTR pwszEventId,
    const GUID* pApplicationId
);

<DllImport("SLC.dll", ExactSpelling:=True)>
Public Shared Function SLFireEvent(
    hSLC As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPWStr)> pwszEventId As String,   ' LPCWSTR
    ByRef pApplicationId As Guid   ' GUID*
) As Integer
End Function

' hSLC : void*
' pwszEventId : LPCWSTR
' pApplicationId : GUID*
Declare PtrSafe Function SLFireEvent Lib "slc" ( _
    ByVal hSLC As LongPtr, _
    ByVal pwszEventId As LongPtr, _
    ByVal pApplicationId 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

SLFireEvent = ctypes.windll.slc.SLFireEvent
SLFireEvent.restype = ctypes.c_int
SLFireEvent.argtypes = [
    ctypes.POINTER(None),  # hSLC : void*
    wintypes.LPCWSTR,  # pwszEventId : LPCWSTR
    ctypes.c_void_p,  # pApplicationId : GUID*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SLC.dll')
SLFireEvent = Fiddle::Function.new(
  lib['SLFireEvent'],
  [
    Fiddle::TYPE_VOIDP,  # hSLC : void*
    Fiddle::TYPE_VOIDP,  # pwszEventId : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pApplicationId : GUID*
  ],
  Fiddle::TYPE_INT)

#[link(name = "slc")]
extern "system" {
    fn SLFireEvent(
        hSLC: *mut (),  // void*
        pwszEventId: *const u16,  // LPCWSTR
        pApplicationId: *const GUID  // GUID*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SLC.dll")]
public static extern int SLFireEvent(IntPtr hSLC, [MarshalAs(UnmanagedType.LPWStr)] string pwszEventId, ref Guid pApplicationId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SLC_SLFireEvent' -Namespace Win32 -PassThru
# $api::SLFireEvent(hSLC, pwszEventId, pApplicationId)

#uselib "SLC.dll"
#func global SLFireEvent "SLFireEvent" sptr, sptr, sptr
; SLFireEvent hSLC, pwszEventId, varptr(pApplicationId)   ; 戻り値は stat
; hSLC : void* -> "sptr"
; pwszEventId : LPCWSTR -> "sptr"
; pApplicationId : GUID* -> "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 "SLC.dll"
#cfunc global SLFireEvent "SLFireEvent" sptr, wstr, var
; res = SLFireEvent(hSLC, pwszEventId, pApplicationId)
; hSLC : void* -> "sptr"
; pwszEventId : LPCWSTR -> "wstr"
; pApplicationId : GUID* -> "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 SLFireEvent(void* hSLC, LPCWSTR pwszEventId, GUID* pApplicationId)
#uselib "SLC.dll"
#cfunc global SLFireEvent "SLFireEvent" intptr, wstr, var
; res = SLFireEvent(hSLC, pwszEventId, pApplicationId)
; hSLC : void* -> "intptr"
; pwszEventId : LPCWSTR -> "wstr"
; pApplicationId : GUID* -> "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 (
	slc = windows.NewLazySystemDLL("SLC.dll")
	procSLFireEvent = slc.NewProc("SLFireEvent")
)

// hSLC (void*), pwszEventId (LPCWSTR), pApplicationId (GUID*)
r1, _, err := procSLFireEvent.Call(
	uintptr(hSLC),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszEventId))),
	uintptr(pApplicationId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SLFireEvent(
  hSLC: Pointer;   // void*
  pwszEventId: PWideChar;   // LPCWSTR
  pApplicationId: PGUID   // GUID*
): Integer; stdcall;
  external 'SLC.dll' name 'SLFireEvent';

result := DllCall("SLC\SLFireEvent"
    , "Ptr", hSLC   ; void*
    , "WStr", pwszEventId   ; LPCWSTR
    , "Ptr", pApplicationId   ; GUID*
    , "Int")   ; return: HRESULT

●SLFireEvent(hSLC, pwszEventId, pApplicationId) = DLL("SLC.dll", "int SLFireEvent(void*, char*, void*)")
# 呼び出し: SLFireEvent(hSLC, pwszEventId, pApplicationId)
# hSLC : void* -> "void*"
# pwszEventId : LPCWSTR -> "char*"
# pApplicationId : GUID* -> "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)。