Win32 API 日本語リファレンス
ホームStorage.FileSystem › WofSetFileDataLocation

WofSetFileDataLocation

関数
WOFプロバイダーでファイルデータの格納先を設定する。
DLLWOFUTIL.dll呼出規約winapi

シグネチャ

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

HRESULT WofSetFileDataLocation(
    HANDLE FileHandle,
    DWORD Provider,
    void* ExternalFileInfo,
    DWORD Length
);

パラメーター

名前方向
FileHandleHANDLEin
ProviderDWORDin
ExternalFileInfovoid*in
LengthDWORDin

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WofSetFileDataLocation(
    HANDLE FileHandle,
    DWORD Provider,
    void* ExternalFileInfo,
    DWORD Length
);
[DllImport("WOFUTIL.dll", ExactSpelling = true)]
static extern int WofSetFileDataLocation(
    IntPtr FileHandle,   // HANDLE
    uint Provider,   // DWORD
    IntPtr ExternalFileInfo,   // void*
    uint Length   // DWORD
);
<DllImport("WOFUTIL.dll", ExactSpelling:=True)>
Public Shared Function WofSetFileDataLocation(
    FileHandle As IntPtr,   ' HANDLE
    Provider As UInteger,   ' DWORD
    ExternalFileInfo As IntPtr,   ' void*
    Length As UInteger   ' DWORD
) As Integer
End Function
' FileHandle : HANDLE
' Provider : DWORD
' ExternalFileInfo : void*
' Length : DWORD
Declare PtrSafe Function WofSetFileDataLocation Lib "wofutil" ( _
    ByVal FileHandle As LongPtr, _
    ByVal Provider As Long, _
    ByVal ExternalFileInfo As LongPtr, _
    ByVal Length 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

WofSetFileDataLocation = ctypes.windll.wofutil.WofSetFileDataLocation
WofSetFileDataLocation.restype = ctypes.c_int
WofSetFileDataLocation.argtypes = [
    wintypes.HANDLE,  # FileHandle : HANDLE
    wintypes.DWORD,  # Provider : DWORD
    ctypes.POINTER(None),  # ExternalFileInfo : void*
    wintypes.DWORD,  # Length : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WOFUTIL.dll')
WofSetFileDataLocation = Fiddle::Function.new(
  lib['WofSetFileDataLocation'],
  [
    Fiddle::TYPE_VOIDP,  # FileHandle : HANDLE
    -Fiddle::TYPE_INT,  # Provider : DWORD
    Fiddle::TYPE_VOIDP,  # ExternalFileInfo : void*
    -Fiddle::TYPE_INT,  # Length : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "wofutil")]
extern "system" {
    fn WofSetFileDataLocation(
        FileHandle: *mut core::ffi::c_void,  // HANDLE
        Provider: u32,  // DWORD
        ExternalFileInfo: *mut (),  // void*
        Length: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WOFUTIL.dll")]
public static extern int WofSetFileDataLocation(IntPtr FileHandle, uint Provider, IntPtr ExternalFileInfo, uint Length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WOFUTIL_WofSetFileDataLocation' -Namespace Win32 -PassThru
# $api::WofSetFileDataLocation(FileHandle, Provider, ExternalFileInfo, Length)
#uselib "WOFUTIL.dll"
#func global WofSetFileDataLocation "WofSetFileDataLocation" sptr, sptr, sptr, sptr
; WofSetFileDataLocation FileHandle, Provider, ExternalFileInfo, Length   ; 戻り値は stat
; FileHandle : HANDLE -> "sptr"
; Provider : DWORD -> "sptr"
; ExternalFileInfo : void* -> "sptr"
; Length : DWORD -> "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 "WOFUTIL.dll"
#cfunc global WofSetFileDataLocation "WofSetFileDataLocation" sptr, int, sptr, int
; res = WofSetFileDataLocation(FileHandle, Provider, ExternalFileInfo, Length)
; FileHandle : HANDLE -> "sptr"
; Provider : DWORD -> "int"
; ExternalFileInfo : void* -> "sptr"
; Length : DWORD -> "int"
; HRESULT WofSetFileDataLocation(HANDLE FileHandle, DWORD Provider, void* ExternalFileInfo, DWORD Length)
#uselib "WOFUTIL.dll"
#cfunc global WofSetFileDataLocation "WofSetFileDataLocation" intptr, int, intptr, int
; res = WofSetFileDataLocation(FileHandle, Provider, ExternalFileInfo, Length)
; FileHandle : HANDLE -> "intptr"
; Provider : DWORD -> "int"
; ExternalFileInfo : void* -> "intptr"
; Length : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wofutil = windows.NewLazySystemDLL("WOFUTIL.dll")
	procWofSetFileDataLocation = wofutil.NewProc("WofSetFileDataLocation")
)

// FileHandle (HANDLE), Provider (DWORD), ExternalFileInfo (void*), Length (DWORD)
r1, _, err := procWofSetFileDataLocation.Call(
	uintptr(FileHandle),
	uintptr(Provider),
	uintptr(ExternalFileInfo),
	uintptr(Length),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WofSetFileDataLocation(
  FileHandle: THandle;   // HANDLE
  Provider: DWORD;   // DWORD
  ExternalFileInfo: Pointer;   // void*
  Length: DWORD   // DWORD
): Integer; stdcall;
  external 'WOFUTIL.dll' name 'WofSetFileDataLocation';
result := DllCall("WOFUTIL\WofSetFileDataLocation"
    , "Ptr", FileHandle   ; HANDLE
    , "UInt", Provider   ; DWORD
    , "Ptr", ExternalFileInfo   ; void*
    , "UInt", Length   ; DWORD
    , "Int")   ; return: HRESULT
●WofSetFileDataLocation(FileHandle, Provider, ExternalFileInfo, Length) = DLL("WOFUTIL.dll", "int WofSetFileDataLocation(void*, dword, void*, dword)")
# 呼び出し: WofSetFileDataLocation(FileHandle, Provider, ExternalFileInfo, Length)
# FileHandle : HANDLE -> "void*"
# Provider : DWORD -> "dword"
# ExternalFileInfo : void* -> "void*"
# Length : DWORD -> "dword"
# 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)。