CoRegisterMessageFilter

// OLE32.dll
#include <windows.h>

HRESULT CoRegisterMessageFilter(
    IMessageFilter* lpMessageFilter,   // optional
    IMessageFilter** lplpMessageFilter   // optional
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoRegisterMessageFilter(
    lpMessageFilter As IntPtr,   ' IMessageFilter* optional
    lplpMessageFilter As IntPtr   ' IMessageFilter** optional, out
) As Integer
End Function

' lpMessageFilter : IMessageFilter* optional
' lplpMessageFilter : IMessageFilter** optional, out
Declare PtrSafe Function CoRegisterMessageFilter Lib "ole32" ( _
    ByVal lpMessageFilter As LongPtr, _
    ByVal lplpMessageFilter 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

CoRegisterMessageFilter = ctypes.windll.ole32.CoRegisterMessageFilter
CoRegisterMessageFilter.restype = ctypes.c_int
CoRegisterMessageFilter.argtypes = [
    ctypes.c_void_p,  # lpMessageFilter : IMessageFilter* optional
    ctypes.c_void_p,  # lplpMessageFilter : IMessageFilter** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoRegisterMessageFilter = Fiddle::Function.new(
  lib['CoRegisterMessageFilter'],
  [
    Fiddle::TYPE_VOIDP,  # lpMessageFilter : IMessageFilter* optional
    Fiddle::TYPE_VOIDP,  # lplpMessageFilter : IMessageFilter** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoRegisterMessageFilter(
        lpMessageFilter: *mut core::ffi::c_void,  // IMessageFilter* optional
        lplpMessageFilter: *mut *mut core::ffi::c_void  // IMessageFilter** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoRegisterMessageFilter(IntPtr lpMessageFilter, IntPtr lplpMessageFilter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoRegisterMessageFilter' -Namespace Win32 -PassThru
# $api::CoRegisterMessageFilter(lpMessageFilter, lplpMessageFilter)

#uselib "OLE32.dll"
#func global CoRegisterMessageFilter "CoRegisterMessageFilter" sptr, sptr
; CoRegisterMessageFilter lpMessageFilter, lplpMessageFilter   ; 戻り値は stat
; lpMessageFilter : IMessageFilter* optional -> "sptr"
; lplpMessageFilter : IMessageFilter** 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 "OLE32.dll"
#cfunc global CoRegisterMessageFilter "CoRegisterMessageFilter" sptr, sptr
; res = CoRegisterMessageFilter(lpMessageFilter, lplpMessageFilter)
; lpMessageFilter : IMessageFilter* optional -> "sptr"
; lplpMessageFilter : IMessageFilter** optional, out -> "sptr"

; HRESULT CoRegisterMessageFilter(IMessageFilter* lpMessageFilter, IMessageFilter** lplpMessageFilter)
#uselib "OLE32.dll"
#cfunc global CoRegisterMessageFilter "CoRegisterMessageFilter" intptr, intptr
; res = CoRegisterMessageFilter(lpMessageFilter, lplpMessageFilter)
; lpMessageFilter : IMessageFilter* optional -> "intptr"
; lplpMessageFilter : IMessageFilter** optional, out -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoRegisterMessageFilter = ole32.NewProc("CoRegisterMessageFilter")
)

// lpMessageFilter (IMessageFilter* optional), lplpMessageFilter (IMessageFilter** optional, out)
r1, _, err := procCoRegisterMessageFilter.Call(
	uintptr(lpMessageFilter),
	uintptr(lplpMessageFilter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoRegisterMessageFilter(
  lpMessageFilter: Pointer;   // IMessageFilter* optional
  lplpMessageFilter: Pointer   // IMessageFilter** optional, out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoRegisterMessageFilter';

result := DllCall("OLE32\CoRegisterMessageFilter"
    , "Ptr", lpMessageFilter   ; IMessageFilter* optional
    , "Ptr", lplpMessageFilter   ; IMessageFilter** optional, out
    , "Int")   ; return: HRESULT

●CoRegisterMessageFilter(lpMessageFilter, lplpMessageFilter) = DLL("OLE32.dll", "int CoRegisterMessageFilter(void*, void*)")
# 呼び出し: CoRegisterMessageFilter(lpMessageFilter, lplpMessageFilter)
# lpMessageFilter : IMessageFilter* optional -> "void*"
# lplpMessageFilter : IMessageFilter** 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)。