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FilterFindNext
関数ミニフィルター列挙で次のフィルター情報を取得する。
シグネチャ
// FLTLIB.dll
#include <windows.h>
HRESULT FilterFindNext(
HANDLE hFilterFind,
FILTER_INFORMATION_CLASS dwInformationClass,
void* lpBuffer,
DWORD dwBufferSize,
DWORD* lpBytesReturned
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hFilterFind | HANDLE | in |
| dwInformationClass | FILTER_INFORMATION_CLASS | in |
| lpBuffer | void* | out |
| dwBufferSize | DWORD | in |
| lpBytesReturned | DWORD* | out |
戻り値の型: HRESULT
各言語での呼び出し定義
// FLTLIB.dll
#include <windows.h>
HRESULT FilterFindNext(
HANDLE hFilterFind,
FILTER_INFORMATION_CLASS dwInformationClass,
void* lpBuffer,
DWORD dwBufferSize,
DWORD* lpBytesReturned
);[DllImport("FLTLIB.dll", ExactSpelling = true)]
static extern int FilterFindNext(
IntPtr hFilterFind, // HANDLE
int dwInformationClass, // FILTER_INFORMATION_CLASS
IntPtr lpBuffer, // void* out
uint dwBufferSize, // DWORD
out uint lpBytesReturned // DWORD* out
);<DllImport("FLTLIB.dll", ExactSpelling:=True)>
Public Shared Function FilterFindNext(
hFilterFind As IntPtr, ' HANDLE
dwInformationClass As Integer, ' FILTER_INFORMATION_CLASS
lpBuffer As IntPtr, ' void* out
dwBufferSize As UInteger, ' DWORD
<Out> ByRef lpBytesReturned As UInteger ' DWORD* out
) As Integer
End Function' hFilterFind : HANDLE
' dwInformationClass : FILTER_INFORMATION_CLASS
' lpBuffer : void* out
' dwBufferSize : DWORD
' lpBytesReturned : DWORD* out
Declare PtrSafe Function FilterFindNext Lib "fltlib" ( _
ByVal hFilterFind As LongPtr, _
ByVal dwInformationClass As Long, _
ByVal lpBuffer As LongPtr, _
ByVal dwBufferSize As Long, _
ByRef lpBytesReturned As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
FilterFindNext = ctypes.windll.fltlib.FilterFindNext
FilterFindNext.restype = ctypes.c_int
FilterFindNext.argtypes = [
wintypes.HANDLE, # hFilterFind : HANDLE
ctypes.c_int, # dwInformationClass : FILTER_INFORMATION_CLASS
ctypes.POINTER(None), # lpBuffer : void* out
wintypes.DWORD, # dwBufferSize : DWORD
ctypes.POINTER(wintypes.DWORD), # lpBytesReturned : DWORD* out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('FLTLIB.dll')
FilterFindNext = Fiddle::Function.new(
lib['FilterFindNext'],
[
Fiddle::TYPE_VOIDP, # hFilterFind : HANDLE
Fiddle::TYPE_INT, # dwInformationClass : FILTER_INFORMATION_CLASS
Fiddle::TYPE_VOIDP, # lpBuffer : void* out
-Fiddle::TYPE_INT, # dwBufferSize : DWORD
Fiddle::TYPE_VOIDP, # lpBytesReturned : DWORD* out
],
Fiddle::TYPE_INT)#[link(name = "fltlib")]
extern "system" {
fn FilterFindNext(
hFilterFind: *mut core::ffi::c_void, // HANDLE
dwInformationClass: i32, // FILTER_INFORMATION_CLASS
lpBuffer: *mut (), // void* out
dwBufferSize: u32, // DWORD
lpBytesReturned: *mut u32 // DWORD* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("FLTLIB.dll")]
public static extern int FilterFindNext(IntPtr hFilterFind, int dwInformationClass, IntPtr lpBuffer, uint dwBufferSize, out uint lpBytesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'FLTLIB_FilterFindNext' -Namespace Win32 -PassThru
# $api::FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, lpBytesReturned)#uselib "FLTLIB.dll"
#func global FilterFindNext "FilterFindNext" sptr, sptr, sptr, sptr, sptr
; FilterFindNext hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, varptr(lpBytesReturned) ; 戻り値は stat
; hFilterFind : HANDLE -> "sptr"
; dwInformationClass : FILTER_INFORMATION_CLASS -> "sptr"
; lpBuffer : void* out -> "sptr"
; dwBufferSize : DWORD -> "sptr"
; lpBytesReturned : DWORD* 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。出力引数:
#uselib "FLTLIB.dll" #cfunc global FilterFindNext "FilterFindNext" sptr, int, sptr, int, var ; res = FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, lpBytesReturned) ; hFilterFind : HANDLE -> "sptr" ; dwInformationClass : FILTER_INFORMATION_CLASS -> "int" ; lpBuffer : void* out -> "sptr" ; dwBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* 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。#uselib "FLTLIB.dll" #cfunc global FilterFindNext "FilterFindNext" sptr, int, sptr, int, sptr ; res = FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, varptr(lpBytesReturned)) ; hFilterFind : HANDLE -> "sptr" ; dwInformationClass : FILTER_INFORMATION_CLASS -> "int" ; lpBuffer : void* out -> "sptr" ; dwBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; HRESULT FilterFindNext(HANDLE hFilterFind, FILTER_INFORMATION_CLASS dwInformationClass, void* lpBuffer, DWORD dwBufferSize, DWORD* lpBytesReturned) #uselib "FLTLIB.dll" #cfunc global FilterFindNext "FilterFindNext" intptr, int, intptr, int, var ; res = FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, lpBytesReturned) ; hFilterFind : HANDLE -> "intptr" ; dwInformationClass : FILTER_INFORMATION_CLASS -> "int" ; lpBuffer : void* out -> "intptr" ; dwBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* 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 FilterFindNext(HANDLE hFilterFind, FILTER_INFORMATION_CLASS dwInformationClass, void* lpBuffer, DWORD dwBufferSize, DWORD* lpBytesReturned) #uselib "FLTLIB.dll" #cfunc global FilterFindNext "FilterFindNext" intptr, int, intptr, int, intptr ; res = FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, varptr(lpBytesReturned)) ; hFilterFind : HANDLE -> "intptr" ; dwInformationClass : FILTER_INFORMATION_CLASS -> "int" ; lpBuffer : void* out -> "intptr" ; dwBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
fltlib = windows.NewLazySystemDLL("FLTLIB.dll")
procFilterFindNext = fltlib.NewProc("FilterFindNext")
)
// hFilterFind (HANDLE), dwInformationClass (FILTER_INFORMATION_CLASS), lpBuffer (void* out), dwBufferSize (DWORD), lpBytesReturned (DWORD* out)
r1, _, err := procFilterFindNext.Call(
uintptr(hFilterFind),
uintptr(dwInformationClass),
uintptr(lpBuffer),
uintptr(dwBufferSize),
uintptr(lpBytesReturned),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction FilterFindNext(
hFilterFind: THandle; // HANDLE
dwInformationClass: Integer; // FILTER_INFORMATION_CLASS
lpBuffer: Pointer; // void* out
dwBufferSize: DWORD; // DWORD
lpBytesReturned: Pointer // DWORD* out
): Integer; stdcall;
external 'FLTLIB.dll' name 'FilterFindNext';result := DllCall("FLTLIB\FilterFindNext"
, "Ptr", hFilterFind ; HANDLE
, "Int", dwInformationClass ; FILTER_INFORMATION_CLASS
, "Ptr", lpBuffer ; void* out
, "UInt", dwBufferSize ; DWORD
, "Ptr", lpBytesReturned ; DWORD* out
, "Int") ; return: HRESULT●FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, lpBytesReturned) = DLL("FLTLIB.dll", "int FilterFindNext(void*, int, void*, dword, void*)")
# 呼び出し: FilterFindNext(hFilterFind, dwInformationClass, lpBuffer, dwBufferSize, lpBytesReturned)
# hFilterFind : HANDLE -> "void*"
# dwInformationClass : FILTER_INFORMATION_CLASS -> "int"
# lpBuffer : void* out -> "void*"
# dwBufferSize : DWORD -> "dword"
# lpBytesReturned : DWORD* 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)。