Win32 API 日本語リファレンス
ホームGraphics.Printing › RouterAllocBidiMem

RouterAllocBidiMem

関数
双方向通信用のメモリをルーターで確保する。
DLLSPOOLSS.dll呼出規約winapi

シグネチャ

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

void* RouterAllocBidiMem(
    UINT_PTR NumBytes
);

パラメーター

名前方向
NumBytesUINT_PTRin

戻り値の型: void*

各言語での呼び出し定義

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

void* RouterAllocBidiMem(
    UINT_PTR NumBytes
);
[DllImport("SPOOLSS.dll", ExactSpelling = true)]
static extern IntPtr RouterAllocBidiMem(
    UIntPtr NumBytes   // UINT_PTR
);
<DllImport("SPOOLSS.dll", ExactSpelling:=True)>
Public Shared Function RouterAllocBidiMem(
    NumBytes As UIntPtr   ' UINT_PTR
) As IntPtr
End Function
' NumBytes : UINT_PTR
Declare PtrSafe Function RouterAllocBidiMem Lib "spoolss" ( _
    ByVal NumBytes As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

RouterAllocBidiMem = ctypes.windll.spoolss.RouterAllocBidiMem
RouterAllocBidiMem.restype = ctypes.c_void_p
RouterAllocBidiMem.argtypes = [
    ctypes.c_size_t,  # NumBytes : UINT_PTR
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SPOOLSS.dll')
RouterAllocBidiMem = Fiddle::Function.new(
  lib['RouterAllocBidiMem'],
  [
    Fiddle::TYPE_UINTPTR_T,  # NumBytes : UINT_PTR
  ],
  Fiddle::TYPE_VOIDP)
#[link(name = "spoolss")]
extern "system" {
    fn RouterAllocBidiMem(
        NumBytes: usize  // UINT_PTR
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("SPOOLSS.dll")]
public static extern IntPtr RouterAllocBidiMem(UIntPtr NumBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SPOOLSS_RouterAllocBidiMem' -Namespace Win32 -PassThru
# $api::RouterAllocBidiMem(NumBytes)
#uselib "SPOOLSS.dll"
#func global RouterAllocBidiMem "RouterAllocBidiMem" sptr
; RouterAllocBidiMem NumBytes   ; 戻り値は stat
; NumBytes : UINT_PTR -> "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 "SPOOLSS.dll"
#cfunc global RouterAllocBidiMem "RouterAllocBidiMem" sptr
; res = RouterAllocBidiMem(NumBytes)
; NumBytes : UINT_PTR -> "sptr"
; void* RouterAllocBidiMem(UINT_PTR NumBytes)
#uselib "SPOOLSS.dll"
#cfunc global RouterAllocBidiMem "RouterAllocBidiMem" intptr
; res = RouterAllocBidiMem(NumBytes)
; NumBytes : UINT_PTR -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	spoolss = windows.NewLazySystemDLL("SPOOLSS.dll")
	procRouterAllocBidiMem = spoolss.NewProc("RouterAllocBidiMem")
)

// NumBytes (UINT_PTR)
r1, _, err := procRouterAllocBidiMem.Call(
	uintptr(NumBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*
function RouterAllocBidiMem(
  NumBytes: NativeUInt   // UINT_PTR
): Pointer; stdcall;
  external 'SPOOLSS.dll' name 'RouterAllocBidiMem';
result := DllCall("SPOOLSS\RouterAllocBidiMem"
    , "UPtr", NumBytes   ; UINT_PTR
    , "Ptr")   ; return: void*
●RouterAllocBidiMem(NumBytes) = DLL("SPOOLSS.dll", "void* RouterAllocBidiMem(int)")
# 呼び出し: RouterAllocBidiMem(NumBytes)
# NumBytes : UINT_PTR -> "int"
# 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)。