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SetupComm
関数通信デバイスの送受信バッファサイズを設定する。
シグネチャ
// KERNEL32.dll
#include <windows.h>
BOOL SetupComm(
HANDLE hFile,
DWORD dwInQueue,
DWORD dwOutQueue
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hFile | HANDLE | in |
| dwInQueue | DWORD | in |
| dwOutQueue | DWORD | in |
戻り値の型: BOOL
各言語での呼び出し定義
// KERNEL32.dll
#include <windows.h>
BOOL SetupComm(
HANDLE hFile,
DWORD dwInQueue,
DWORD dwOutQueue
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool SetupComm(
IntPtr hFile, // HANDLE
uint dwInQueue, // DWORD
uint dwOutQueue // DWORD
);<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupComm(
hFile As IntPtr, ' HANDLE
dwInQueue As UInteger, ' DWORD
dwOutQueue As UInteger ' DWORD
) As Boolean
End Function' hFile : HANDLE
' dwInQueue : DWORD
' dwOutQueue : DWORD
Declare PtrSafe Function SetupComm Lib "kernel32" ( _
ByVal hFile As LongPtr, _
ByVal dwInQueue As Long, _
ByVal dwOutQueue 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
SetupComm = ctypes.windll.kernel32.SetupComm
SetupComm.restype = wintypes.BOOL
SetupComm.argtypes = [
wintypes.HANDLE, # hFile : HANDLE
wintypes.DWORD, # dwInQueue : DWORD
wintypes.DWORD, # dwOutQueue : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('KERNEL32.dll')
SetupComm = Fiddle::Function.new(
lib['SetupComm'],
[
Fiddle::TYPE_VOIDP, # hFile : HANDLE
-Fiddle::TYPE_INT, # dwInQueue : DWORD
-Fiddle::TYPE_INT, # dwOutQueue : DWORD
],
Fiddle::TYPE_INT)#[link(name = "kernel32")]
extern "system" {
fn SetupComm(
hFile: *mut core::ffi::c_void, // HANDLE
dwInQueue: u32, // DWORD
dwOutQueue: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetupComm(IntPtr hFile, uint dwInQueue, uint dwOutQueue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetupComm' -Namespace Win32 -PassThru
# $api::SetupComm(hFile, dwInQueue, dwOutQueue)#uselib "KERNEL32.dll"
#func global SetupComm "SetupComm" sptr, sptr, sptr
; SetupComm hFile, dwInQueue, dwOutQueue ; 戻り値は stat
; hFile : HANDLE -> "sptr"
; dwInQueue : DWORD -> "sptr"
; dwOutQueue : 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 "KERNEL32.dll"
#cfunc global SetupComm "SetupComm" sptr, int, int
; res = SetupComm(hFile, dwInQueue, dwOutQueue)
; hFile : HANDLE -> "sptr"
; dwInQueue : DWORD -> "int"
; dwOutQueue : DWORD -> "int"; BOOL SetupComm(HANDLE hFile, DWORD dwInQueue, DWORD dwOutQueue)
#uselib "KERNEL32.dll"
#cfunc global SetupComm "SetupComm" intptr, int, int
; res = SetupComm(hFile, dwInQueue, dwOutQueue)
; hFile : HANDLE -> "intptr"
; dwInQueue : DWORD -> "int"
; dwOutQueue : DWORD -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
procSetupComm = kernel32.NewProc("SetupComm")
)
// hFile (HANDLE), dwInQueue (DWORD), dwOutQueue (DWORD)
r1, _, err := procSetupComm.Call(
uintptr(hFile),
uintptr(dwInQueue),
uintptr(dwOutQueue),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SetupComm(
hFile: THandle; // HANDLE
dwInQueue: DWORD; // DWORD
dwOutQueue: DWORD // DWORD
): BOOL; stdcall;
external 'KERNEL32.dll' name 'SetupComm';result := DllCall("KERNEL32\SetupComm"
, "Ptr", hFile ; HANDLE
, "UInt", dwInQueue ; DWORD
, "UInt", dwOutQueue ; DWORD
, "Int") ; return: BOOL●SetupComm(hFile, dwInQueue, dwOutQueue) = DLL("KERNEL32.dll", "bool SetupComm(void*, dword, dword)")
# 呼び出し: SetupComm(hFile, dwInQueue, dwOutQueue)
# hFile : HANDLE -> "void*"
# dwInQueue : DWORD -> "dword"
# dwOutQueue : 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)。