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AllJoynReceiveFromBus
関数AllJoynバスからデータを受信する。
シグネチャ
// MSAJApi.dll
#include <windows.h>
BOOL AllJoynReceiveFromBus(
HANDLE connectedBusHandle,
void* buffer, // optional
DWORD bytesToRead,
DWORD* bytesTransferred, // optional
void* reserved
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| connectedBusHandle | HANDLE | in | 受信元となる接続済みバスのハンドル。 |
| buffer | void* | outoptional | 受信データを格納する出力バッファへのポインタ。 |
| bytesToRead | DWORD | in | 読み取るバイト数の上限。 |
| bytesTransferred | DWORD* | outoptional | 実際に受信したバイト数を受け取るポインタ。NULL可。 |
| reserved | void* | inout | 予約パラメータ。NULLを指定する。 |
戻り値の型: BOOL
各言語での呼び出し定義
// MSAJApi.dll
#include <windows.h>
BOOL AllJoynReceiveFromBus(
HANDLE connectedBusHandle,
void* buffer, // optional
DWORD bytesToRead,
DWORD* bytesTransferred, // optional
void* reserved
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MSAJApi.dll", SetLastError = true, ExactSpelling = true)]
static extern bool AllJoynReceiveFromBus(
IntPtr connectedBusHandle, // HANDLE
IntPtr buffer, // void* optional, out
uint bytesToRead, // DWORD
IntPtr bytesTransferred, // DWORD* optional, out
IntPtr reserved // void* in/out
);<DllImport("MSAJApi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AllJoynReceiveFromBus(
connectedBusHandle As IntPtr, ' HANDLE
buffer As IntPtr, ' void* optional, out
bytesToRead As UInteger, ' DWORD
bytesTransferred As IntPtr, ' DWORD* optional, out
reserved As IntPtr ' void* in/out
) As Boolean
End Function' connectedBusHandle : HANDLE
' buffer : void* optional, out
' bytesToRead : DWORD
' bytesTransferred : DWORD* optional, out
' reserved : void* in/out
Declare PtrSafe Function AllJoynReceiveFromBus Lib "msajapi" ( _
ByVal connectedBusHandle As LongPtr, _
ByVal buffer As LongPtr, _
ByVal bytesToRead As Long, _
ByVal bytesTransferred As LongPtr, _
ByVal reserved 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
AllJoynReceiveFromBus = ctypes.windll.msajapi.AllJoynReceiveFromBus
AllJoynReceiveFromBus.restype = wintypes.BOOL
AllJoynReceiveFromBus.argtypes = [
wintypes.HANDLE, # connectedBusHandle : HANDLE
ctypes.POINTER(None), # buffer : void* optional, out
wintypes.DWORD, # bytesToRead : DWORD
ctypes.POINTER(wintypes.DWORD), # bytesTransferred : DWORD* optional, out
ctypes.POINTER(None), # reserved : void* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('MSAJApi.dll')
AllJoynReceiveFromBus = Fiddle::Function.new(
lib['AllJoynReceiveFromBus'],
[
Fiddle::TYPE_VOIDP, # connectedBusHandle : HANDLE
Fiddle::TYPE_VOIDP, # buffer : void* optional, out
-Fiddle::TYPE_INT, # bytesToRead : DWORD
Fiddle::TYPE_VOIDP, # bytesTransferred : DWORD* optional, out
Fiddle::TYPE_VOIDP, # reserved : void* in/out
],
Fiddle::TYPE_INT)#[link(name = "msajapi")]
extern "system" {
fn AllJoynReceiveFromBus(
connectedBusHandle: *mut core::ffi::c_void, // HANDLE
buffer: *mut (), // void* optional, out
bytesToRead: u32, // DWORD
bytesTransferred: *mut u32, // DWORD* optional, out
reserved: *mut () // void* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MSAJApi.dll", SetLastError = true)]
public static extern bool AllJoynReceiveFromBus(IntPtr connectedBusHandle, IntPtr buffer, uint bytesToRead, IntPtr bytesTransferred, IntPtr reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_AllJoynReceiveFromBus' -Namespace Win32 -PassThru
# $api::AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, bytesTransferred, reserved)#uselib "MSAJApi.dll"
#func global AllJoynReceiveFromBus "AllJoynReceiveFromBus" sptr, sptr, sptr, sptr, sptr
; AllJoynReceiveFromBus connectedBusHandle, buffer, bytesToRead, varptr(bytesTransferred), reserved ; 戻り値は stat
; connectedBusHandle : HANDLE -> "sptr"
; buffer : void* optional, out -> "sptr"
; bytesToRead : DWORD -> "sptr"
; bytesTransferred : DWORD* optional, out -> "sptr"
; reserved : void* in/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 "MSAJApi.dll" #cfunc global AllJoynReceiveFromBus "AllJoynReceiveFromBus" sptr, sptr, int, var, sptr ; res = AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, bytesTransferred, reserved) ; connectedBusHandle : HANDLE -> "sptr" ; buffer : void* optional, out -> "sptr" ; bytesToRead : DWORD -> "int" ; bytesTransferred : DWORD* optional, out -> "var" ; reserved : void* in/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 "MSAJApi.dll" #cfunc global AllJoynReceiveFromBus "AllJoynReceiveFromBus" sptr, sptr, int, sptr, sptr ; res = AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, varptr(bytesTransferred), reserved) ; connectedBusHandle : HANDLE -> "sptr" ; buffer : void* optional, out -> "sptr" ; bytesToRead : DWORD -> "int" ; bytesTransferred : DWORD* optional, out -> "sptr" ; reserved : void* in/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:
; BOOL AllJoynReceiveFromBus(HANDLE connectedBusHandle, void* buffer, DWORD bytesToRead, DWORD* bytesTransferred, void* reserved) #uselib "MSAJApi.dll" #cfunc global AllJoynReceiveFromBus "AllJoynReceiveFromBus" intptr, intptr, int, var, intptr ; res = AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, bytesTransferred, reserved) ; connectedBusHandle : HANDLE -> "intptr" ; buffer : void* optional, out -> "intptr" ; bytesToRead : DWORD -> "int" ; bytesTransferred : DWORD* optional, out -> "var" ; reserved : void* in/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。; BOOL AllJoynReceiveFromBus(HANDLE connectedBusHandle, void* buffer, DWORD bytesToRead, DWORD* bytesTransferred, void* reserved) #uselib "MSAJApi.dll" #cfunc global AllJoynReceiveFromBus "AllJoynReceiveFromBus" intptr, intptr, int, intptr, intptr ; res = AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, varptr(bytesTransferred), reserved) ; connectedBusHandle : HANDLE -> "intptr" ; buffer : void* optional, out -> "intptr" ; bytesToRead : DWORD -> "int" ; bytesTransferred : DWORD* optional, out -> "intptr" ; reserved : void* in/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 (
msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
procAllJoynReceiveFromBus = msajapi.NewProc("AllJoynReceiveFromBus")
)
// connectedBusHandle (HANDLE), buffer (void* optional, out), bytesToRead (DWORD), bytesTransferred (DWORD* optional, out), reserved (void* in/out)
r1, _, err := procAllJoynReceiveFromBus.Call(
uintptr(connectedBusHandle),
uintptr(buffer),
uintptr(bytesToRead),
uintptr(bytesTransferred),
uintptr(reserved),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction AllJoynReceiveFromBus(
connectedBusHandle: THandle; // HANDLE
buffer: Pointer; // void* optional, out
bytesToRead: DWORD; // DWORD
bytesTransferred: Pointer; // DWORD* optional, out
reserved: Pointer // void* in/out
): BOOL; stdcall;
external 'MSAJApi.dll' name 'AllJoynReceiveFromBus';result := DllCall("MSAJApi\AllJoynReceiveFromBus"
, "Ptr", connectedBusHandle ; HANDLE
, "Ptr", buffer ; void* optional, out
, "UInt", bytesToRead ; DWORD
, "Ptr", bytesTransferred ; DWORD* optional, out
, "Ptr", reserved ; void* in/out
, "Int") ; return: BOOL●AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, bytesTransferred, reserved) = DLL("MSAJApi.dll", "bool AllJoynReceiveFromBus(void*, void*, dword, void*, void*)")
# 呼び出し: AllJoynReceiveFromBus(connectedBusHandle, buffer, bytesToRead, bytesTransferred, reserved)
# connectedBusHandle : HANDLE -> "void*"
# buffer : void* optional, out -> "void*"
# bytesToRead : DWORD -> "dword"
# bytesTransferred : DWORD* optional, out -> "void*"
# reserved : void* in/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)。