MAPIFreeBuffer

関数

MAPIが割り当てたメモリバッファを解放する。

DLLMAPI32.dll呼出規約winapi

シグネチャ

// MAPI32.dll
#include <windows.h>

DWORD MAPIFreeBuffer(
    void* pv
);

パラメーター

名前	型	方向
pv	void*	inout

戻り値の型: DWORD

各言語での呼び出し定義

// MAPI32.dll
#include <windows.h>

DWORD MAPIFreeBuffer(
    void* pv
);

[DllImport("MAPI32.dll", ExactSpelling = true)]
static extern uint MAPIFreeBuffer(
    IntPtr pv   // void* in/out
);

<DllImport("MAPI32.dll", ExactSpelling:=True)>
Public Shared Function MAPIFreeBuffer(
    pv As IntPtr   ' void* in/out
) As UInteger
End Function

' pv : void* in/out
Declare PtrSafe Function MAPIFreeBuffer Lib "mapi32" ( _
    ByVal pv 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

MAPIFreeBuffer = ctypes.windll.mapi32.MAPIFreeBuffer
MAPIFreeBuffer.restype = wintypes.DWORD
MAPIFreeBuffer.argtypes = [
    ctypes.POINTER(None),  # pv : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAPI32.dll')
MAPIFreeBuffer = Fiddle::Function.new(
  lib['MAPIFreeBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # pv : void* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mapi32")]
extern "system" {
    fn MAPIFreeBuffer(
        pv: *mut ()  // void* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MAPI32.dll")]
public static extern uint MAPIFreeBuffer(IntPtr pv);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAPI32_MAPIFreeBuffer' -Namespace Win32 -PassThru
# $api::MAPIFreeBuffer(pv)

#uselib "MAPI32.dll"
#func global MAPIFreeBuffer "MAPIFreeBuffer" sptr
; MAPIFreeBuffer pv   ; 戻り値は stat
; pv : 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。

#uselib "MAPI32.dll"
#cfunc global MAPIFreeBuffer "MAPIFreeBuffer" sptr
; res = MAPIFreeBuffer(pv)
; pv : void* in/out -> "sptr"

; DWORD MAPIFreeBuffer(void* pv)
#uselib "MAPI32.dll"
#cfunc global MAPIFreeBuffer "MAPIFreeBuffer" intptr
; res = MAPIFreeBuffer(pv)
; pv : void* in/out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mapi32 = windows.NewLazySystemDLL("MAPI32.dll")
	procMAPIFreeBuffer = mapi32.NewProc("MAPIFreeBuffer")
)

// pv (void* in/out)
r1, _, err := procMAPIFreeBuffer.Call(
	uintptr(pv),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MAPIFreeBuffer(
  pv: Pointer   // void* in/out
): DWORD; stdcall;
  external 'MAPI32.dll' name 'MAPIFreeBuffer';

result := DllCall("MAPI32\MAPIFreeBuffer"
    , "Ptr", pv   ; void* in/out
    , "UInt")   ; return: DWORD

●MAPIFreeBuffer(pv) = DLL("MAPI32.dll", "dword MAPIFreeBuffer(void*)")
# 呼び出し: MAPIFreeBuffer(pv)
# pv : 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)。