FilterClose

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

HRESULT FilterClose(
    HFILTER hFilter
);

<DllImport("FLTLIB.dll", ExactSpelling:=True)>
Public Shared Function FilterClose(
    hFilter As IntPtr   ' HFILTER
) As Integer
End Function

' hFilter : HFILTER
Declare PtrSafe Function FilterClose Lib "fltlib" ( _
    ByVal hFilter 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

FilterClose = ctypes.windll.fltlib.FilterClose
FilterClose.restype = ctypes.c_int
FilterClose.argtypes = [
    ctypes.c_ssize_t,  # hFilter : HFILTER
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('FLTLIB.dll')
FilterClose = Fiddle::Function.new(
  lib['FilterClose'],
  [
    Fiddle::TYPE_INTPTR_T,  # hFilter : HFILTER
  ],
  Fiddle::TYPE_INT)

#[link(name = "fltlib")]
extern "system" {
    fn FilterClose(
        hFilter: isize  // HFILTER
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("FLTLIB.dll")]
public static extern int FilterClose(IntPtr hFilter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'FLTLIB_FilterClose' -Namespace Win32 -PassThru
# $api::FilterClose(hFilter)

#uselib "FLTLIB.dll"
#func global FilterClose "FilterClose" sptr
; FilterClose hFilter   ; 戻り値は stat
; hFilter : HFILTER -> "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 "FLTLIB.dll"
#cfunc global FilterClose "FilterClose" sptr
; res = FilterClose(hFilter)
; hFilter : HFILTER -> "sptr"

; HRESULT FilterClose(HFILTER hFilter)
#uselib "FLTLIB.dll"
#cfunc global FilterClose "FilterClose" intptr
; res = FilterClose(hFilter)
; hFilter : HFILTER -> "intptr"

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

var (
	fltlib = windows.NewLazySystemDLL("FLTLIB.dll")
	procFilterClose = fltlib.NewProc("FilterClose")
)

// hFilter (HFILTER)
r1, _, err := procFilterClose.Call(
	uintptr(hFilter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function FilterClose(
  hFilter: NativeInt   // HFILTER
): Integer; stdcall;
  external 'FLTLIB.dll' name 'FilterClose';

result := DllCall("FLTLIB\FilterClose"
    , "Ptr", hFilter   ; HFILTER
    , "Int")   ; return: HRESULT

●FilterClose(hFilter) = DLL("FLTLIB.dll", "int FilterClose(int)")
# 呼び出し: FilterClose(hFilter)
# hFilter : HFILTER -> "int"
# 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)。