DrtOpen

関数

指定設定で分散ルーティングテーブルを開く。

DLLdrt.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT DrtOpen(
    const DRT_SETTINGS* pSettings,
    HANDLE hEvent,   // optional
    const void* pvContext,   // optional
    void** phDrt
);

パラメーター

名前	型	方向
pSettings	DRT_SETTINGS*	in
hEvent	HANDLE	inoptional
pvContext	void*	inoptional
phDrt	void**	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DrtOpen(
    const DRT_SETTINGS* pSettings,
    HANDLE hEvent,   // optional
    const void* pvContext,   // optional
    void** phDrt
);

[DllImport("drt.dll", ExactSpelling = true)]
static extern int DrtOpen(
    IntPtr pSettings,   // DRT_SETTINGS*
    IntPtr hEvent,   // HANDLE optional
    IntPtr pvContext,   // void* optional
    IntPtr phDrt   // void** out
);

<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtOpen(
    pSettings As IntPtr,   ' DRT_SETTINGS*
    hEvent As IntPtr,   ' HANDLE optional
    pvContext As IntPtr,   ' void* optional
    phDrt As IntPtr   ' void** out
) As Integer
End Function

' pSettings : DRT_SETTINGS*
' hEvent : HANDLE optional
' pvContext : void* optional
' phDrt : void** out
Declare PtrSafe Function DrtOpen Lib "drt" ( _
    ByVal pSettings As LongPtr, _
    ByVal hEvent As LongPtr, _
    ByVal pvContext As LongPtr, _
    ByVal phDrt 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

DrtOpen = ctypes.windll.drt.DrtOpen
DrtOpen.restype = ctypes.c_int
DrtOpen.argtypes = [
    ctypes.c_void_p,  # pSettings : DRT_SETTINGS*
    wintypes.HANDLE,  # hEvent : HANDLE optional
    ctypes.POINTER(None),  # pvContext : void* optional
    ctypes.c_void_p,  # phDrt : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtOpen = Fiddle::Function.new(
  lib['DrtOpen'],
  [
    Fiddle::TYPE_VOIDP,  # pSettings : DRT_SETTINGS*
    Fiddle::TYPE_VOIDP,  # hEvent : HANDLE optional
    Fiddle::TYPE_VOIDP,  # pvContext : void* optional
    Fiddle::TYPE_VOIDP,  # phDrt : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drt")]
extern "system" {
    fn DrtOpen(
        pSettings: *const DRT_SETTINGS,  // DRT_SETTINGS*
        hEvent: *mut core::ffi::c_void,  // HANDLE optional
        pvContext: *const (),  // void* optional
        phDrt: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drt.dll")]
public static extern int DrtOpen(IntPtr pSettings, IntPtr hEvent, IntPtr pvContext, IntPtr phDrt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtOpen' -Namespace Win32 -PassThru
# $api::DrtOpen(pSettings, hEvent, pvContext, phDrt)

#uselib "drt.dll"
#func global DrtOpen "DrtOpen" sptr, sptr, sptr, sptr
; DrtOpen varptr(pSettings), hEvent, pvContext, phDrt   ; 戻り値は stat
; pSettings : DRT_SETTINGS* -> "sptr"
; hEvent : HANDLE optional -> "sptr"
; pvContext : void* optional -> "sptr"
; phDrt : void** 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 "drt.dll"
#cfunc global DrtOpen "DrtOpen" var, sptr, sptr, sptr
; res = DrtOpen(pSettings, hEvent, pvContext, phDrt)
; pSettings : DRT_SETTINGS* -> "var"
; hEvent : HANDLE optional -> "sptr"
; pvContext : void* optional -> "sptr"
; phDrt : void** out -> "sptr"
; ※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 "drt.dll"
#cfunc global DrtOpen "DrtOpen" sptr, sptr, sptr, sptr
; res = DrtOpen(varptr(pSettings), hEvent, pvContext, phDrt)
; pSettings : DRT_SETTINGS* -> "sptr"
; hEvent : HANDLE optional -> "sptr"
; pvContext : void* optional -> "sptr"
; phDrt : void** 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 DrtOpen(DRT_SETTINGS* pSettings, HANDLE hEvent, void* pvContext, void** phDrt)
#uselib "drt.dll"
#cfunc global DrtOpen "DrtOpen" var, intptr, intptr, intptr
; res = DrtOpen(pSettings, hEvent, pvContext, phDrt)
; pSettings : DRT_SETTINGS* -> "var"
; hEvent : HANDLE optional -> "intptr"
; pvContext : void* optional -> "intptr"
; phDrt : void** out -> "intptr"
; ※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 DrtOpen(DRT_SETTINGS* pSettings, HANDLE hEvent, void* pvContext, void** phDrt)
#uselib "drt.dll"
#cfunc global DrtOpen "DrtOpen" intptr, intptr, intptr, intptr
; res = DrtOpen(varptr(pSettings), hEvent, pvContext, phDrt)
; pSettings : DRT_SETTINGS* -> "intptr"
; hEvent : HANDLE optional -> "intptr"
; pvContext : void* optional -> "intptr"
; phDrt : void** 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 (
	drt = windows.NewLazySystemDLL("drt.dll")
	procDrtOpen = drt.NewProc("DrtOpen")
)

// pSettings (DRT_SETTINGS*), hEvent (HANDLE optional), pvContext (void* optional), phDrt (void** out)
r1, _, err := procDrtOpen.Call(
	uintptr(pSettings),
	uintptr(hEvent),
	uintptr(pvContext),
	uintptr(phDrt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtOpen(
  pSettings: Pointer;   // DRT_SETTINGS*
  hEvent: THandle;   // HANDLE optional
  pvContext: Pointer;   // void* optional
  phDrt: Pointer   // void** out
): Integer; stdcall;
  external 'drt.dll' name 'DrtOpen';

result := DllCall("drt\DrtOpen"
    , "Ptr", pSettings   ; DRT_SETTINGS*
    , "Ptr", hEvent   ; HANDLE optional
    , "Ptr", pvContext   ; void* optional
    , "Ptr", phDrt   ; void** out
    , "Int")   ; return: HRESULT

●DrtOpen(pSettings, hEvent, pvContext, phDrt) = DLL("drt.dll", "int DrtOpen(void*, void*, void*, void*)")
# 呼び出し: DrtOpen(pSettings, hEvent, pvContext, phDrt)
# pSettings : DRT_SETTINGS* -> "void*"
# hEvent : HANDLE optional -> "void*"
# pvContext : void* optional -> "void*"
# phDrt : void** 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)。