ホーム › Storage.InstallableFileSystems › FilterAttachAtAltitude

FilterAttachAtAltitude

関数

指定の高度でミニフィルターをボリュームにアタッチする。

DLLFLTLIB.dll呼出規約winapi

シグネチャ

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

HRESULT FilterAttachAtAltitude(
    LPCWSTR lpFilterName,
    LPCWSTR lpVolumeName,
    LPCWSTR lpAltitude,
    LPCWSTR lpInstanceName,   // optional
    DWORD dwCreatedInstanceNameLength,   // optional
    LPWSTR lpCreatedInstanceName   // optional
);

パラメーター

名前	型	方向
lpFilterName	LPCWSTR	in
lpVolumeName	LPCWSTR	in
lpAltitude	LPCWSTR	in
lpInstanceName	LPCWSTR	inoptional
dwCreatedInstanceNameLength	DWORD	inoptional
lpCreatedInstanceName	LPWSTR	outoptional

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT FilterAttachAtAltitude(
    LPCWSTR lpFilterName,
    LPCWSTR lpVolumeName,
    LPCWSTR lpAltitude,
    LPCWSTR lpInstanceName,   // optional
    DWORD dwCreatedInstanceNameLength,   // optional
    LPWSTR lpCreatedInstanceName   // optional
);

[DllImport("FLTLIB.dll", ExactSpelling = true)]
static extern int FilterAttachAtAltitude(
    [MarshalAs(UnmanagedType.LPWStr)] string lpFilterName,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string lpVolumeName,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string lpAltitude,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string lpInstanceName,   // LPCWSTR optional
    uint dwCreatedInstanceNameLength,   // DWORD optional
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpCreatedInstanceName   // LPWSTR optional, out
);

<DllImport("FLTLIB.dll", ExactSpelling:=True)>
Public Shared Function FilterAttachAtAltitude(
    <MarshalAs(UnmanagedType.LPWStr)> lpFilterName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpVolumeName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpAltitude As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpInstanceName As String,   ' LPCWSTR optional
    dwCreatedInstanceNameLength As UInteger,   ' DWORD optional
    <MarshalAs(UnmanagedType.LPWStr)> lpCreatedInstanceName As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' lpFilterName : LPCWSTR
' lpVolumeName : LPCWSTR
' lpAltitude : LPCWSTR
' lpInstanceName : LPCWSTR optional
' dwCreatedInstanceNameLength : DWORD optional
' lpCreatedInstanceName : LPWSTR optional, out
Declare PtrSafe Function FilterAttachAtAltitude Lib "fltlib" ( _
    ByVal lpFilterName As LongPtr, _
    ByVal lpVolumeName As LongPtr, _
    ByVal lpAltitude As LongPtr, _
    ByVal lpInstanceName As LongPtr, _
    ByVal dwCreatedInstanceNameLength As Long, _
    ByVal lpCreatedInstanceName 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

FilterAttachAtAltitude = ctypes.windll.fltlib.FilterAttachAtAltitude
FilterAttachAtAltitude.restype = ctypes.c_int
FilterAttachAtAltitude.argtypes = [
    wintypes.LPCWSTR,  # lpFilterName : LPCWSTR
    wintypes.LPCWSTR,  # lpVolumeName : LPCWSTR
    wintypes.LPCWSTR,  # lpAltitude : LPCWSTR
    wintypes.LPCWSTR,  # lpInstanceName : LPCWSTR optional
    wintypes.DWORD,  # dwCreatedInstanceNameLength : DWORD optional
    wintypes.LPWSTR,  # lpCreatedInstanceName : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('FLTLIB.dll')
FilterAttachAtAltitude = Fiddle::Function.new(
  lib['FilterAttachAtAltitude'],
  [
    Fiddle::TYPE_VOIDP,  # lpFilterName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpVolumeName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpAltitude : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpInstanceName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwCreatedInstanceNameLength : DWORD optional
    Fiddle::TYPE_VOIDP,  # lpCreatedInstanceName : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "fltlib")]
extern "system" {
    fn FilterAttachAtAltitude(
        lpFilterName: *const u16,  // LPCWSTR
        lpVolumeName: *const u16,  // LPCWSTR
        lpAltitude: *const u16,  // LPCWSTR
        lpInstanceName: *const u16,  // LPCWSTR optional
        dwCreatedInstanceNameLength: u32,  // DWORD optional
        lpCreatedInstanceName: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("FLTLIB.dll")]
public static extern int FilterAttachAtAltitude([MarshalAs(UnmanagedType.LPWStr)] string lpFilterName, [MarshalAs(UnmanagedType.LPWStr)] string lpVolumeName, [MarshalAs(UnmanagedType.LPWStr)] string lpAltitude, [MarshalAs(UnmanagedType.LPWStr)] string lpInstanceName, uint dwCreatedInstanceNameLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpCreatedInstanceName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'FLTLIB_FilterAttachAtAltitude' -Namespace Win32 -PassThru
# $api::FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, lpCreatedInstanceName)

#uselib "FLTLIB.dll"
#func global FilterAttachAtAltitude "FilterAttachAtAltitude" sptr, sptr, sptr, sptr, sptr, sptr
; FilterAttachAtAltitude lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, varptr(lpCreatedInstanceName)   ; 戻り値は stat
; lpFilterName : LPCWSTR -> "sptr"
; lpVolumeName : LPCWSTR -> "sptr"
; lpAltitude : LPCWSTR -> "sptr"
; lpInstanceName : LPCWSTR optional -> "sptr"
; dwCreatedInstanceNameLength : DWORD optional -> "sptr"
; lpCreatedInstanceName : LPWSTR 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。

出力引数:

#uselib "FLTLIB.dll"
#cfunc global FilterAttachAtAltitude "FilterAttachAtAltitude" wstr, wstr, wstr, wstr, int, var
; res = FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, lpCreatedInstanceName)
; lpFilterName : LPCWSTR -> "wstr"
; lpVolumeName : LPCWSTR -> "wstr"
; lpAltitude : LPCWSTR -> "wstr"
; lpInstanceName : LPCWSTR optional -> "wstr"
; dwCreatedInstanceNameLength : DWORD optional -> "int"
; lpCreatedInstanceName : LPWSTR optional, 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 FilterAttachAtAltitude "FilterAttachAtAltitude" wstr, wstr, wstr, wstr, int, sptr
; res = FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, varptr(lpCreatedInstanceName))
; lpFilterName : LPCWSTR -> "wstr"
; lpVolumeName : LPCWSTR -> "wstr"
; lpAltitude : LPCWSTR -> "wstr"
; lpInstanceName : LPCWSTR optional -> "wstr"
; dwCreatedInstanceNameLength : DWORD optional -> "int"
; lpCreatedInstanceName : LPWSTR optional, 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 FilterAttachAtAltitude(LPCWSTR lpFilterName, LPCWSTR lpVolumeName, LPCWSTR lpAltitude, LPCWSTR lpInstanceName, DWORD dwCreatedInstanceNameLength, LPWSTR lpCreatedInstanceName)
#uselib "FLTLIB.dll"
#cfunc global FilterAttachAtAltitude "FilterAttachAtAltitude" wstr, wstr, wstr, wstr, int, var
; res = FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, lpCreatedInstanceName)
; lpFilterName : LPCWSTR -> "wstr"
; lpVolumeName : LPCWSTR -> "wstr"
; lpAltitude : LPCWSTR -> "wstr"
; lpInstanceName : LPCWSTR optional -> "wstr"
; dwCreatedInstanceNameLength : DWORD optional -> "int"
; lpCreatedInstanceName : LPWSTR optional, 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 FilterAttachAtAltitude(LPCWSTR lpFilterName, LPCWSTR lpVolumeName, LPCWSTR lpAltitude, LPCWSTR lpInstanceName, DWORD dwCreatedInstanceNameLength, LPWSTR lpCreatedInstanceName)
#uselib "FLTLIB.dll"
#cfunc global FilterAttachAtAltitude "FilterAttachAtAltitude" wstr, wstr, wstr, wstr, int, intptr
; res = FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, varptr(lpCreatedInstanceName))
; lpFilterName : LPCWSTR -> "wstr"
; lpVolumeName : LPCWSTR -> "wstr"
; lpAltitude : LPCWSTR -> "wstr"
; lpInstanceName : LPCWSTR optional -> "wstr"
; dwCreatedInstanceNameLength : DWORD optional -> "int"
; lpCreatedInstanceName : LPWSTR optional, 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")
	procFilterAttachAtAltitude = fltlib.NewProc("FilterAttachAtAltitude")
)

// lpFilterName (LPCWSTR), lpVolumeName (LPCWSTR), lpAltitude (LPCWSTR), lpInstanceName (LPCWSTR optional), dwCreatedInstanceNameLength (DWORD optional), lpCreatedInstanceName (LPWSTR optional, out)
r1, _, err := procFilterAttachAtAltitude.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFilterName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpVolumeName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpAltitude))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpInstanceName))),
	uintptr(dwCreatedInstanceNameLength),
	uintptr(lpCreatedInstanceName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function FilterAttachAtAltitude(
  lpFilterName: PWideChar;   // LPCWSTR
  lpVolumeName: PWideChar;   // LPCWSTR
  lpAltitude: PWideChar;   // LPCWSTR
  lpInstanceName: PWideChar;   // LPCWSTR optional
  dwCreatedInstanceNameLength: DWORD;   // DWORD optional
  lpCreatedInstanceName: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'FLTLIB.dll' name 'FilterAttachAtAltitude';

result := DllCall("FLTLIB\FilterAttachAtAltitude"
    , "WStr", lpFilterName   ; LPCWSTR
    , "WStr", lpVolumeName   ; LPCWSTR
    , "WStr", lpAltitude   ; LPCWSTR
    , "WStr", lpInstanceName   ; LPCWSTR optional
    , "UInt", dwCreatedInstanceNameLength   ; DWORD optional
    , "Ptr", lpCreatedInstanceName   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, lpCreatedInstanceName) = DLL("FLTLIB.dll", "int FilterAttachAtAltitude(char*, char*, char*, char*, dword, char*)")
# 呼び出し: FilterAttachAtAltitude(lpFilterName, lpVolumeName, lpAltitude, lpInstanceName, dwCreatedInstanceNameLength, lpCreatedInstanceName)
# lpFilterName : LPCWSTR -> "char*"
# lpVolumeName : LPCWSTR -> "char*"
# lpAltitude : LPCWSTR -> "char*"
# lpInstanceName : LPCWSTR optional -> "char*"
# dwCreatedInstanceNameLength : DWORD optional -> "dword"
# lpCreatedInstanceName : LPWSTR optional, out -> "char*"
# 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)。